2019 in paleomalacology

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This list 2019 in paleomalacology is a list of new taxa of ammonites and other fossil cephalopods, as well as fossil gastropods, bivalves and other molluscs that are scheduled to be described during the year 2019, as well as other significant discoveries and events related to molluscan paleontology that are scheduled to occur in the year 2019.

General research[]

Description of an assemblage of conchiferan mollusks from the Cambrian Shackleton Limestone (Antarctica) is published by Claybourn et al. (2019).^[1]
A study on Early Triassic recovery of ammonites and gastropods after the Permian–Triassic extinction event is published by Pietsch et al. (2019).^[2]
A study on the impact of the Cenomanian-Turonian boundary event and other Cretaceous oceanic anoxic events on generic- and species-level molluscan diversity, extinction rates and ecological turnover is published by Freymueller, Moore & Myers (2019).^[3]
A juvenile ammonite specimen assigned to the genus Puzosia and four marine gastropods are reported from the Cretaceous Burmese amber of Myanmar by Yu et al. (2019).^[4]
A study on the timing and nature of recovery of benthic marine ecosystems of Antarctica after the Cretaceous–Paleogene extinction event, as indicated by data from fossils of benthic molluscs, is published by Whittle et al. (2019).^[5]

Ammonites[]

Research[]

A Puzosia (Bhimaites) species juvenile shell in Burmese amber

Dimorphic Indonesian ammonite Macrocephalites keeuwensis is reported from the core of Jara Dome (Kutch district, India) by Jain (2019).^[6]
Description of new fossils of members of the genus from the Neuquén Basin (Argentina), taxonomic revision of the Lytohoplites species occurring in this basin, and a study on the ontogeny, probable sexual dimorphism and spectrum of intraspecific variability of members of this genus, is published by Vennari & Aguirre-Urreta (2019).^[7]
A study on the intraspecific variation through the ontogeny of the Late Cretaceous ammonite Scaphites whitfieldi from the Western Interior of the United States is published by Klein & Landman (2019).^[8]
A lower jaw of puercoensis is described from the Turonian Carlile Member of the Mancos Shale (New Mexico, United States) by Landman et al. (2019).^[9]
A study on periodic variations in carbon and oxygen stable isotope profiles from Campanian and Maastrichtian ammonites belonging to the genus Baculites, and on their implications for inferring the life histories of these ammonites, is published by Ellis & Tobin (2019).^[10]
A study on the hydrostatic properties of the orthoconic morphotype of Baculites compressus and on their implications for the knowledge of the mode of life of this animal is published by Peterman et al. (2019).^[11]
A study on the ecology and growth of baculitid and scaphitid ammonites from the Maastrichtian Owl Creek Formation (Mississippi, United States), evaluating whether these taxa may have migrated, is published by Ferguson et al. (2019).^[12]
A study on a sutural anomaly of ammonite specimens known as sutural pseudoinversion is published by Rogov (2019).^[13]
A study on the systematics of Late Cretaceous ammonites from the southeastern San Juan Basin (Sandoval County, New Mexico) and on the stratigraphic framework of their fossils is published by Sealey & Lucas (2019).^[14]
A study on the ontogenetic trajectories of septal spacing between succeeding chambers in Hypophylloceras subramosum and Phyllopachyceras ezoense is published online by Iwasaki, Iwasaki & Wani (2019).^[15]
A study on the intra- and interspecific variation and ontogenetic trajectories of the kossmaticeratid species densicostatus and Maorites seymourianus is published by Morón-Alfonso (2019).^[16]
A pathological ammonite specimen characterized by a pronounced left-right asymmetry in both ornamentation and suture lines is described from the Toarcian of southern France by Jattiot et al. (2019).^[17]
A study on the morphology and function of hook‐like structures found in the body chambers of six specimens of Rhaeboceras halli is published online by Kruta et al. (2019).^[18]

New taxa[]

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
^[19]	Gen. et sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A member of the family Perisphinctidae. The type species is A. damianoi.
Albanites americanus^[20]	Sp. nov	Valid	Brayard et al.	Early Triassic		United States ( Idaho)
Allocrioceras irregulare^[21]	Sp. nov	Valid	Kennedy & Kaplan	Late Cretaceous (Turonian)		Germany
Anagaudryceras calabozoi^[22]	Sp. nov	Valid	Raffi & Olivero in Raffi, Olivero & Milanese	Late Cretaceous (Campanian)	Cerro Toro Formation Rabot Formation Santa Marta Formation	Antarctica (James Ross Island) Chile
Anagaudryceras sanctuarium^[22]	Sp. nov	Valid	Raffi & Olivero in Raffi, Olivero & Milanese	Late Cretaceous (Campanian/Maastrichtian boundary)	Snow Hill Island Formation	Antarctica (James Ross Island)
Anagaudryceras subcompressum^[22]	Sp. nov	Valid	Raffi & Olivero in Raffi, Olivero & Milanese	Late Cretaceous (Maastrichtian)	Snow Hill Island Formation	Antarctica (James Ross Island)
^[23]	Gen. et 3 sp. nov	Valid	Korn, Ghaderi & Tabrizi	Permian (Changhsingian)		Iran	Genus includes new species A. sanestapanus, A. laterocostatus and A. cristatus.
Araxoceras insolens^[24]	Sp. nov	Valid	Korn & Ghaderi	Permian (Wuchiapingian)		Iran
Araxoceras truncatum^[24]	Sp. nov	Valid	Korn & Ghaderi	Permian (Wuchiapingian)		Iran
Balearites berryae^[25]	Sp. nov	Valid	Vermeulen et al.	Early Cretaceous		Spain
^[26]	Gen. et comb. nov	Valid	Naglik, De Baets & Klug	Devonian (Emsian)	Dzhaus Beds	Uzbekistan	A member of Agoniatitida belonging to the family . The type species is "" khanakasuensis Yatskov (1990).
^[27]	Gen. et sp. nov	Valid	Korn & Price	Devonian (Famennian)		Germany	Genus includes new species B. wunderlichi.
^[28]	Gen. et comb. nov	Valid	Vermeulen et al.	Early Cretaceous		Germany	Genus includes "Crioceras" stadtlaenderi Müller (1892).
^[20]	Gen. et sp. nov	Valid	Brayard et al.	Early Triassic		United States ( Idaho)	Genus includes new species C. slugense.
^[29]	Gen. et comb. et sp. nov	Valid	Meister & Schlögl	Early Jurassic (Sinemurian)		Slovakia	A member of . The type species is "Coroniceras (Paracoroniceras)" bordoti Guérin-Franiatte (1966); genus also includes new species C. misiki.
^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India	A member of the family Turrilitidae.
Chieseiceras dolomiticum^[31]	Sp. nov	Valid	Brack & Rieber	Middle Triassic (Late Anisian)		Italy
^[29]	Gen. et sp. nov	Valid	Meister & Schlögl	Early Jurassic (Sinemurian)		Slovakia	An ammonite with an intermediate morphology between Arietitidae and Oxynoticeratidae. Genus includes new species C. janus.
^[32]	Sp. nov	Valid	Kennedy & Lobitzer	Late Cretaceous (Cenomanian)		Nigeria	A member of the family Desmoceratidae.
Docidoceras higginsi^[33]	Sp. nov	Valid	Chandler	Middle Jurassic (Bajocian)		United Kingdom
^[34]	Sp. nov	Valid	Work & Mason	Carboniferous (Tournaisian)	Borden Formation	United States ( Kentucky)
^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India	A member of the family Kossmaticeratidae.
^[29]	Sp. nov	Valid	Meister & Schlögl	Early Jurassic (Sinemurian)		Slovakia
Euomphaloceras varicostatum^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India
^[27]	Sp. nov	Valid	Korn & Price	Late Devonian		France
^[35]	Sp. nov	Valid	Korn & Price	Devonian (Famennian)		Central Europe	A gonioclymeniid ammonite.
^[35]	Sp. nov	Valid	Korn & Price	Devonian (Famennian)		Central Europe	A gonioclymeniid ammonite.
Flickia bullata^[36]	Sp. nov	Valid	Kennedy & Lobitzer	Late Cretaceous (Cenomanian)	Odukpani Formation	Nigeria
^[34]	Sp. nov	Valid	Work & Mason	Carboniferous (Tournaisian)	Borden Formation	United States ( Kentucky)
Gaudryceras submurdochi^[22]	Sp. nov	Valid	Raffi & Olivero in Raffi, Olivero & Milanese	Late Cretaceous (Campanian)	Rabot Formation Santa Marta Formation	Antarctica (James Ross Island)
^[37]	Sp. nov	Valid	Konovalova & Borissenkov in Borissenkov, Konovalova & Kutygin	Carboniferous	Makarovskaya Formation	Russia ( Krasnoyarsk Krai)
^[38]	Gen. et comb. nov	Valid	Matamales-Andreu et al.	Early Cretaceous (Hauterivian)		Spain Switzerland	A new genus for "Baculites" renevieri Ooster (1860).
^[21]	Sp. nov	Valid	Kennedy & Kaplan	Late Cretaceous (Turonian)		Germany	A member of the family Diplomoceratidae.
^[27]	Gen. et sp. nov	Valid	Korn & Price	Devonian (Famennian)		Germany	Genus includes new species H. schindewolfi.
^[39]	Sp. nov	Valid	Poulton & Hall	Middle Jurassic (Callovian)		Canada ( British Columbia)
Hoploscaphites macer^[40]	Sp. nov	Valid	Landman et al.	Late Cretaceous (Maastrichtian)	Bearpaw Shale Pierre Shale	United States ( Colorado Montana Wyoming)
^[26]	Sp. nov	Valid	Naglik, De Baets & Klug	Devonian (Emsian)		Czech Republic Uzbekistan	A member of Agoniatitida belonging to the family .
Kamerunoceras multinodosum^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Turonian)		India
^[37]	Sp. nov	Valid	Borissenkov & Kutygin in Borissenkov, Konovalova & Kutygin	Carboniferous	Olen’ynskaya Formation	Russia ( Krasnoyarsk Krai)
^[41]	Sp. nov	Valid	Bockwinkel, Korn & Herd	Devonian (Famennian)		Germany
^[41]	Sp. nov	Valid	Bockwinkel, Korn & Herd	Devonian (Famennian)		Germany
^[26]	Gen. et sp. nov	Valid	Naglik, De Baets & Klug	Devonian (Emsian)		Czech Republic Uzbekistan	A member of Bactritida belonging to the family Bactritidae. The type species is K. salimovae.
^[19]	Gen. et sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A possible member of the family Spiroceratidae. The type species is K. enigmaticum.
^[30]	Gen. et comb. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India Madagascar	A member of the subfamily Acanthoceratinae. The type species is "Ammonites" tropicus Stoliczka (1865); genus also includes "" imperatoris Wright & Kennedy (1980).
^[42]	Sp. nov	Valid	Dietze & von Hillebrandt	Middle Triassic (Bajocian)		Chile
Lissoceras maerteni^[43]	Sp. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)		France	A member of Haploceratoidea belonging to the family .
Lissoceras maizetense^[43]	Sp. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)		France	A member of Haploceratoidea belonging to the family .
Lissoceras ovale^[43]	Sp. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)	El Pedregal Formation	France Germany Hungary Spain	A member of Haploceratoidea belonging to the family .
Lissoceras sturanii^[43]	Sp. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)		France Italy Russia ( Dagestan) Turkmenistan	A member of Haploceratoidea belonging to the family .
Lissoceras submediterraneum^[43]	Sp. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)	El Pedregal Formation	France Spain	A member of Haploceratoidea belonging to the family .
^[25]	Sp. nov	Valid	Vermeulen et al.	Early Cretaceous (Hauterivian)		Spain	A member of the family Crioceratitidae.
^[44]	Sp. nov	Valid	Korn et al.	Probably late early Famennian		Iran	A member of the family Sporadoceratidae.
^[35]	Sp. nov	Valid	Korn & Price	Devonian (Famennian)		Central Europe	A gonioclymeniid ammonite.
^[45]	Gen. et comb. nov	Valid	Balini et al.	Early Triassic (Olenekian)	Sefid-Kuh Limestone	Iran Kazakhstan	A member of Ceratitida belonging to the superfamily Dinaritoidea and to the family . The type species is "Tirolites" rossicus Kiparisova (1947); genus also includes "Tirolites" armatus Shevyrev (1968).
Menuites armatus^[46]	Sp. nov	Valid	Shigeta in Shigeta, Izukura & Nishimura	Late Cretaceous (Campanian)		Japan	A member of the family Pachydiscidae.
^[47]	Gen. et comb. et sp. nov	Valid	Krystyn et al.	Late Triassic (Norian)		Iran	A member of Ceratitida belonging to the family . The type species is "" tozeri Seyed-Emami (1975); genus also includes new species M. evolutus.
^[26]	Sp. nov	Valid	Naglik, De Baets & Klug	Devonian (Emsian)		Uzbekistan	A member of Agoniatitida belonging to the family .
Microderoceras crassiornatum^[29]	Sp. nov	Valid	Meister & Schlögl	Early Jurassic (Sinemurian)		Slovakia
Microderoceras serratum^[29]	Sp. nov	Valid	Meister & Schlögl	Early Jurassic (Sinemurian)		Slovakia
Nelomites^[41]	Nom. nov	Valid	Bockwinkel, Korn & Herd	Devonian (Famennian)		Kazakhstan	A replacement name for Melonites Bogoslovskii (1971).
Neophylloceras nodosum^[46]	Sp. nov	Valid	Shigeta in Shigeta, Izukura & Nishimura	Late Cretaceous (Campanian)	Chinomigawa Formation	Japan	A member of the family Phylloceratidae.
^[47]	Sp. nov	Valid	Krystyn et al.	Late Triassic (Norian)		Iran	A member of Ceratitida belonging to the family .
^[48]	Sp. nov	Valid	Gulyaev	Middle Jurassic (Bathonian)		Russia	A member of the family Parkinsoniidae.
^[48]	Sp. nov	Valid	Gulyaev	Middle Jurassic (Bathonian)		Russia	A member of the family Parkinsoniidae.
Pachydiscus wrighti^[49]	Sp. nov	Valid	Kennedy	Late Cretaceous		United Kingdom
^[28]	Sp. nov	Valid	Vermeulen et al.	Early Cretaceous
^[46]	Sp. nov	Valid	Shigeta in Shigeta, Izukura & Nishimura	Late Cretaceous (Campanian)	Chinomigawa Formation	Japan	A member of the family Diplomoceratidae.
^[19]	Sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A member of the family Oppeliidae.
^[28]	Gen. et comb. nov	Valid	Vermeulen et al.	Early Cretaceous		France	Genus includes "Ammonites" assimilis Matheron (1880).
^[19]	Sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A member of the family Strigoceratidae.
^[50]	Gen. et sp. et comb. nov	Valid	Becker et al.	Devonian (Emsian)		Morocco China? France?	A member of the family belonging to the new subfamily . The type species is P. debaetsi; genus might also include " (Erbenoceras)" mattei Feist (1970) and "" ilanense Shen (1975).
^[51]	Sp. nov	Valid	Fujikawa	Carboniferous	Akiyoshi Limestone	Japan
^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India	A member of the subfamily Acanthoceratinae.
^[52]	Gen. et comb et sp. nov	Valid	Rulleau & Jattiot	Early Jurassic (Toarcian)		France Spain	A member of the family Hildoceratidae. The type species is "Ammonites" bayani Dumortier (1874); genus also includes "Ammonites" frantzi Reynès (1868), "Hildoceras" comense var. praegruneri Monestier (1931) (raised to the rank of a separate species Pseudocrassiceras praegruneri) and a new species P. arbaulti.
^[53]	Gen. et sp. nov	Valid	Parent et al.	Middle Jurassic (Callovian)	Los Molles Formation	Argentina	A member of the family Oppeliidae. The type species is P. chacaymelehuensis.
Puzosia (Bhimaites) falx^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India
^[54]	Sp. nov	Valid	Ifrim	Late Cretaceous (Turonian-Coniacian)		Mexico	A member of the family Diplomoceratidae.
^[43]	Gen. et 3 sp. et comb. nov	Valid	Pavia & Fernandez-Lopez	Middle Jurassic (Bajocian)		Algeria France Portugal Spain United Kingdom	A member of Haploceratoidea belonging to the family . The type species is S. ellipticum; genus also includes new species S. turgidulum and S. costellatum, as well as "Oppelia" depereti Flamand (1911) and "Lissoceras" semicostulatum Buckman (1923).
^[19]	Gen. et sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A member of the family Perisphinctidae. The type species is S. incertus.
^[55]	Sp. nov	Valid	Metodiev	Middle Jurassic (Bathonian)		Bulgaria France	A member of the family Perisphinctidae.
^[19]	Gen. et sp. nov	Valid	Galácz	Middle Jurassic (Bathonian)		Italy	A possible member of the family Spiroceratidae. The type species is S. costatum.
^[48]	Sp. nov	Valid	Gulyaev	Middle Jurassic (Bathonian)		Russia	A member of the family Parkinsoniidae.
^[48]	Sp. nov	Valid	Gulyaev	Middle Jurassic (Bathonian)		Russia	A member of the family Parkinsoniidae.
Stephanoceras (Skirroceras) englandi^[56]	Sp. nov	Valid	Chandler	Middle Jurassic (Lower Bajocian)	Inferior Oolite Formation	United Kingdom
Stephanoceras (Riccardiceras) eoeteosum^[56]	Sp. nov	Valid	Chandler	Middle Jurassic (Middle or Upper Aalenian)	Inferior Oolite Formation	United Kingdom
Uptonia schlatteri^[57]	Sp. nov	Valid	Fauré & Téodori	Early Jurassic (Pliensbachian)		France
^[26]	Gen. et comb. nov	Valid	Naglik, De Baets & Klug	Early Devonian	Daleje Shale Dzhaus Beds Middle Kaub Formation	China Czech Republic Germany Uzbekistan	A member of Agoniatitida belonging to the family . The type species is "" rudicostatum Bogoslovsky (1980); genus also includes "" discordans Erben (1965) and "Teicherticeras" primigenitum Erben (1965).
^[24]	Sp. nov	Valid	Korn & Ghaderi	Permian (Wuchiapingian)		Iran	A member of the family Araxoceratidae.
Watinoceras elegans^[30]	Sp. nov	Valid	Kennedy in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian)	Cauvery Basin	India
^[22]	Sp. nov	Valid	Raffi, Olivero & Milanese	Late Cretaceous (Campanian)	Rabot Formation Santa Marta Formation	Antarctica (James Ross Island)

Other cephalopods[]

Research[]

A study on hydrostatic properties of early Paleozoic nautiloid and cephalopods, and on its implications for the knowledge of ecology of these cephalopods, is published by Peterman, Barton & Yacobucci (2019).^[58]
A study on the distribution and diversity of cephalopods during the Cambrian–Ordovician transition is published by Fang et al. (2019).^[59]
A study on cephalopod occurrences in South China and adjacent areas during the Middle to Late Ordovician, aiming to define biogeographic provinces, is published by Fang et al. (2019).^[60]
A study on changes of geographic range size and rates of speciation and extinction in nautiloid and ammonoid cephalopods living in the North American Midcontinent Sea from the Carboniferous (Pennsylvanian)-early Permian is published by Kolis & Lieberman (2019).^[61]
Ascocerid fossils are described from the Hirnantian?–Llandovery strata of the and formations (southeastern Paraguay) by Cichowolski et al. (2019), representing the first ascocerid record from high paleolatitudes of Gondwana.^[62]
A juvenile specimen of Dolorthoceras, representing the first Devonian cephalopod specimen preserving nacreous structures and the first ectocochleate cephalopod preserving fibrous structures within its conch, is described from the Frasnian (Russia) by Doguzhaeva (2019).^[63]
A study on the response of cephalopod assemblages from the area of the present-day European Russia to environmental changes during the early Aptian Oceanic Anoxic Event is published by Rogov et al. (2019).^[64]
A study on the paleobiology of cephalopods from the Albian Mahajanga Basin of Madagascar will be published by Hoffmann et al. (2019).^[65]
A proposal for revision of the classification of nautiloid cephalopods presented in Treatise Part K is presented by King & Evans (2019), who name a new subclass , new order and new family .^[66]
A study on embryonic and early juvenile development of shell in Peismoceras is published by Manda & Turek (2019).^[67]
A study on changes of the morphological diversity of Late Permian coiled nautiloids is published online by Korn et al. (2019).^[68]
A study on the paleobiology of mermeti, based on new material from the upper Cenomanian of Egypt, and on its implications for the knowledge of the evolution of Cenomanian lineage of Angulithes, is published by Wilmsen & Nagm (2019).^[69]
A study on the anatomy of beargulchensis and on its implications for the knowledge of evolution of coleoids is published by Klug et al. (2019).^[70]
A study on a putative Sinemurian octocoral Mesosceptron from Montagna del Casale (Sicily, Italy) is published by Pignatti et al. (2019), who reinterpret the fossils of this taxon as incompletely preserved coleoid rostra, and consider Mesosceptron to be a subjective junior synonym of the genus .^[71]
A study on four specimens of conocauda from the Toarcian Posidonia Shale (Germany) preserved with small bony fish in their arm crowns, on the feeding behaviour of members of this species, and on the differences in the mode of life of C. conocauda, Passaloteuthis bisulcata and Hibolithes semisulcatus, is published by Jenny et al. (2019).^[72]
A study on belemnite body-size dynamics across the Pliensbachian–Toarcian boundary in the Peniche section (Lusitanian Basin, Portugal), evaluating its implications for the knowledge of the impact of the Pliensbachian–Toarcian boundary warming event on belemnite body size, is published by Rita et al. (2019).^[73]
New belemnite fossils are described from the Berriasian–Hauterivian of Arctic Canada and North-East Greenland by Mutterlose et al. (2019), who also evaluate the implications of these fossils for the knowledge of spatial distribution patterns of belemnites at northern high latitudes.^[74]

New taxa[]

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
^[75]	Gen. et sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Pseudorthocerida. Genus includes new species A. densiseptum.
^[76]	Gen. et sp. nov	Valid	Pohle, Klug & Haas	Devonian (Eifelian and Givetian)		Morocco	A member of Oncocerida belonging to the family Acleistoceratidae. Genus includes new species B. goliath and B. david.
^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Oncoceratidae.
^[78]	Gen. et sp. nov	Valid	Kröger & Gutiérrez-Marco	Ordovician (Darriwilian)		Spain	A member of Intejocerida. Genus includes new species C. aznari.
Cameroceras motsognir^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden
^[79]	Sp. nov	Valid	Hewaidy, Qot & Moneer	Early Paleocene		Egypt	A member of the family Hercoglossidae.
^[77]	Gen. et sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Proteoceratidae. Genus includes new species C. thornquisti.
Danoceras skalbergensis^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden
^[79]	Sp. nov	Valid	Hewaidy, Qot & Moneer	Late Paleocene		Egypt	A member of the family Hercoglossidae.
Dicoelites aprilis^[80]	Sp. nov	Valid	Dzyuba in Dzyuba, Mitta & Sherstyukov	Middle Jurassic (Bajocian)	Djangura Formation	Russia ( Karachay-Cherkessia)	A belemnite.
Dicoelites octobris^[80]	Sp. nov	Valid	Dzyuba in Dzyuba, Mitta & Sherstyukov	Middle Jurassic (Bajocian)	Djangura Formation	Russia ( Karachay-Cherkessia)	A belemnite.
Discoceras amtjaernense^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden
Discoceras nilssoni^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden
Endoceras naekki^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden
^[81]	Gen. et sp. nov	Valid	Fuchs et al.	Late Jurassic (late Kimmeridgian to ?early Tithonian)	Geisental Formation	Germany	A member of Muensterelloidea. Genus includes new species E. arcuatus.
^[82]	Gen. et comb. nov	Valid	Fuchs	Early Cretaceous (Albian)	Allaru Formation	Australia	A member of belonging to the family ; a new genus for "Boreopeltis" soniae Wade (1993).
Etchesia^[83]	Gen. et sp. nov	Valid	Fuchs	Late Jurassic (Tithonian)	Kimmeridge Clay Formation	United Kingdom	A member of Coleoidea belonging to the family Muensterellidae. Genus includes new species E. martilli.
^[77]	Gen. et sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Cyrtogomphoceratidae. Genus includes new species F. tomtei.
^[84]	Gen. et sp. nov	Valid	Niko & Mapes	Carboniferous (Kasimovian)	Graford Formation	United States ( Texas)	A member of the family . The type species is G. mcleodi.
^[85]	Gen. et sp. nov	Valid	Miao et al.	Permian (Changhsingian)		China	A nautiloid. Genus includes new species G. longliensis.
^[77]	Gen. et 2 sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Graciloceratidae. The type species is I. niger; genus also includes I. consobrinum.
^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Proteoceratidae.
^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Proteoceratidae.
^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Proteoceratidae.
^[77]	Gen. et sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Cyrtogomphoceratidae. Genus includes new species K. nissei.
Lambeoceras (Lambeoceras) balashovi^[86]	Sp. nov	Valid	Barskov & Marek	Ordovician (Katian)		Russia
Lambeoceras (Lambeoceras) hanae^[86]	Sp. nov	Valid	Barskov & Marek	Ordovician (Katian)		Russia
Lambeoceras (Lambeoceras) sibiricum^[86]	Sp. nov	Valid	Barskov & Marek	Ordovician (Katian)		Russia
^[75]	Gen. et sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Pseudorthocerida. Genus includes new species L. mucronulatus.
^[75]	Gen. et sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Orthocerida. Genus includes new species M. gracilentum.
Muensterella jillae^[81]	Sp. nov	Valid	Fuchs et al.	Late Cretaceous (Turonian)	South Bosque Formation	United States ( Texas)
Muensterella spinosa^[81]	Sp. nov	Valid	Fuchs et al.	Late Jurassic (Tithonian)	Mörnsheim Formation	Germany
^[81]	Gen. et sp. nov	Valid	Fuchs et al.	Middle Jurassic (Callovian)	Oxford Clay Formation	United Kingdom	A member of Muensterelloidea. Genus includes new species M. johnjagti.
^[85]	Sp. nov	Valid	Miao et al.	Permian (Changhsingian)		China	A nautiloid.
^[85]	Sp. nov	Valid	Miao et al.	Permian (Changhsingian)		China	A nautiloid.
^[77]	Sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Geisonoceratidae.
^[87]	Sp. nov	Valid	Košťák, Jagt & Schlögl	Miocene (late Langhian–earliest Serravallian)		Turkey	A species of Sepia.
^[75]	Gen. et sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Pseudorthocerida. Genus includes new species S. amplum.
^[75]	Sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Pseudorthocerida.
^[75]	Sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Pseudorthocerida.
^[88]	Gen. et sp. nov	In press	Ebbestad et al.	Late Ordovician	Upper Tiouririne Formation	Morocco	A member of Orthocerida belonging to the family Stereoplasmoceratidae. The type species is T. tiouririnense. Announced in 2019; the final version of the article naming it is not published yet.
Tofangoceras kedahense^[75]	Sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Orthocerida.
Tofangoceras rayense^[75]	Sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Orthocerida.
Tofangoceras staiti^[75]	Sp. nov	Valid	Niko, Sone & Leman	Ordovician	Lower Setul Limestone	Malaysia	A member of Orthocerida.
^[81]	Gen. et sp. nov	Valid	Fuchs et al.	Late Jurassic (Tithonian)	Altmühltal Formation	Germany	A member of Muensterelloidea. Genus includes new species T. fauseri.
^[77]	Gen. et sp. nov	Valid	Kröger & Aubrechtová	Late Ordovician	Kullsberg Limestone Formation	Sweden	A member of the family Valcouroceratidae. Genus includes new species V. dalecarlia.
^[88]	Sp. nov	In press	Ebbestad et al.	Late Ordovician	Upper Ktaoua Formation	Morocco	A member of Actinocerida belonging to the family . Announced in 2019; the final version of the article naming it is not published yet.

Gastropods[]

Research[]

A study on the diversity of gastropod larval conch fossil assemblages of ages ranging from the Ordovician to Carboniferous is published online by Dzik (2019).^[89]
A study on the recovery of gastropods in the aftermath of the Cretaceous–Paleogene extinction event, based on data from fossils from the former Ankerpoort‐Curfs quarry (Geulhem, the Netherlands), is published online by Vellekoop et al. (2019).^[90]
A probable cyclophoroidean gastropod, possibly a member of the family Cyclophoridae, is described from the Cretaceous amber from Myanmar by Xing et al. (2019), constituting the first confirmed and oldest record of soft-bodied preservation of a snail in Cretaceous amber.^[91]
A study on the nature of the size dimorphism in the Miocene gastropod , and on the causes of its evolution, is published by Halder & Paira (2019).^[92]
New specimens of are described from the Miocene Gram Clay of Denmark by Schnetler (2019), who also provides an emended description of this species.^[93]
A revision of extant and Neogene members of the genus from the southwestern Atlantic Ocean is published by Pastorino & Griffin (2019).^[94]

New taxa[]

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Acirsa.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Acmaea.
^[96]	Nom. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Actinella.
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A species of Agaronia.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[98]	Gen. et comb. nov	Valid	Harzhauser & Landau	Oligocene (Rupelian) to Miocene (Tortonian)		Algeria Austria Belgium Bosnia and Herzegovina Bulgaria Czech Republic France Germany Greece Hungary India Iran Italy Netherlands Pakistan Portugal Slovakia Slovenia Switzerland Turkey	A member of the family Turritellidae. The type species is "Turritella" cathedralis Brongniart (1823); genus also includes several European Cenozoic species previously placed in Protoma.
^[88]	Gen. et comb. nov	In press	Ebbestad et al.	Late Ordovician	Upper Ktaoua Formation	Morocco	A member of the family Gosseletinidae belonging to the subfamily . The type species is "" debganensis Horný (1997). Announced in 2019; the final version of the article naming it is not published yet.
^[99]	Sp. nov	Valid	Thivaiou, Harzhauser & Koskeridou	Miocene (Aquitanian)		Greece	A species of Alvania.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Trochonematidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Eotomariidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Eotomariidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Elasmonematidae.
^[102]	Gen. et sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Stuoraxidae. Genus includes new species A. elegans.
Anomphalus glaucus^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Eotomariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Aphera.
^[104]	Gen. et comb. nov	Valid	Sanders, Merle & Puillandre	Oligocene (Rupelian) to early Pliocene		Dominican Republic France Italy Pakistan Venezuela United States?	A member of the family Bursidae. The type species is "Ranella" grateloupi d’Orbigny (1852); genus also includes "Bursa" amphitrites Maury (1917), "Apollon" inaequicrenatus Cossmann & Peyrot (1924), "Ranella" morrisi d’Archiac & Haime (1853), "Ranella" tuberosa Grateloup (1833) and possibly also "Bursa (Bufonariella)" chipolana Schmelz (1997).
^[105]	Gen. et sp. nov	Valid	Asato & Hirano in Hirano et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Cyclophoridae. The type species is A. plicatula.
^[98]	Sp. nov	Valid	Harzhauser & Landau	Middle Miocene		Austria Bosnia and Herzegovina Hungary Poland Romania Slovakia	A member of the family Turritellidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Arene.
^[106]	Gen. et sp. nov	Valid	Miquel	Early Pliocene	Irene Formation	Argentina	A member of the family Cochliopidae. Genus includes new species A. pardignasi.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family .
^[107]	Sp. nov	Valid	Kiel et al.	Early Oligocene	Talara Basin	Peru	A member of the family Hokkaidoconchidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Athleta.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Athleta.
^[103]	Sp. nov	Valid	Lozouet	Miocene		France	A species of Athleta.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Athleta.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Athleta.
^[108]	Sp. nov	Valid	Landau et al.	Miocene (Tortonian)		France	A species of Attiliosa.
^[108]	Sp. nov	Valid	Landau et al.	Miocene (Tortonian)		France	A species of Attiliosa.
^[109]	Gen. et sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species A. lenticula.
^[101]	Gen. et sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae. Genus includes new species B. elegans.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France
^[101]	Sp. nov	Valid	Mazaev	Permian		China Russia	A member of the family Lophospiridae.
^[111]	Sp. nov	Valid	Mazaev	Early Permian		Russia
Bellerophon shakhtauensis^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia
^[112]	Sp. nov	Valid	Naranjo-García & Aguillón in Vega et al.	Late Cretaceous (late Campanian)	Cerro del Pueblo Formation	Mexico	A member of the family Hydrobiidae.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of the family Pickworthiidae.
^[114]	Gen. et sp. nov	Valid	Peel	Early Silurian	Samuelsen Høj Formation	Greenland	A member of Euomphaloidea belonging to the family . The type species is B. oliveri.
^[106]	Sp. nov	Valid	Miquel	Early Pliocene	Irene Formation	Argentina	A member of the family Bulimulidae.
^[101]	Gen. et sp. et comb. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Anomphalidae. Genus includes new species B. edita, as well as "Anomphalus" straparoliformis Mazaev (1997).
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Bonellitia.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Bonellitia.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Rissooidea belonging to the family Palaeorissoinidae.
^[109]	Gen. et sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species B. fasciata.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Rissooidea belonging to the family Palaeorissoinidae.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Rissooidea belonging to the family Palaeorissoinidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family .
^[115]	Sp. nov	Valid	Vicián, Kovács & Stein	Late Oligocene – early Miocene		Hungary	A species of Calyptraea.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Ceratia.
^[116]	Subsp. nov	Valid	Harasewych	Pleistocene		Aruba	A subspecies of Cerion uva.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Cerithiella.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Cerithiopsis.
^[117]	Sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Callovian)	Chari Formation	India	A member of the family Paraturbinidae.
^[118]	Sp. nov	Valid	Berezovsky & Pacaud	Middle Eocene		Ukraine	A member of the family Pleurotomariidae.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Imoglobidae.
^[119]	Gen. et comb. nov	Valid	Janssen & Wilson	Miocene		Dominican Republic Trinidad and Tobago	A member of the family Atlantidae; a new genus for "Atlanta" rotundata Gabb (1873).
^[115]	Sp. nov	Valid	Vicián, Kovács & Stein	Late Oligocene – early Miocene		Hungary	A species of Clavatula.
^[97]	Nom. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A species of Clavilithes.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[120]	Nom. nov	Valid	Neiber & Glaubrecht	Early Pleistocene	Kaiso Series	Uganda	A species of Cleopatra; a replacement name for Viviparus cylindricus Adam (1957).
^[121]	Sp. nov	Valid	Vrinat	Eocene (Ypresian)		France	A species of Clithon.
^[121]	Sp. nov	Valid	Vrinat	Eocene (Ypresian)		France	A species of Clithon.
^[121]	Sp. nov	Valid	Vrinat	Eocene (Ypresian)		France	A species of Clithon.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A member of the family Naticidae.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A member of the family Naticidae.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of the family Eustomatidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[115]	Sp. nov	Valid	Vicián, Kovács & Stein	Late Oligocene – early Miocene		Hungary	A member of the family Cancellariidae.
^[110]	Nom. nov	Valid	Pacaud	Paleogene		France
^[123]	Sp. nov	Valid	Guzhov	Late Jurassic		Russia	A member of the family Cerithiopsidae.
^[124]	Sp. nov	Valid	Foster et al.	Early Triassic		China
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Cranopsis.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Tofanellidae.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Cerithioidea belonging to the family .
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Cerithioidea belonging to the family .
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of the family Maoraxidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Cylichna.
^[125]	Sp. nov	Valid	Amano	Late Pliocene		Japan	A species of Cyllene.
^[115]	Sp. nov	Valid	Vicián, Kovács & Stein	Late Oligocene – early Miocene		Hungary	A cowry.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Cystiscus.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France
^[126]	Gen. et comb. nov	Valid	Vermeij & Pacaud	Eocene (Lutetian and Priabonian)		France	A member of the family Columbariidae. The type species is "Fusus" gothicus Deshayes (1834); genus also includes "Coluzea" cavelieri Gain & Le Renard (2017) and "Coluzea" monicae Belliard, Gain & Le Renard (2017).
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A species of Dentimargo.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Discula.
^[96]	Subsp. nov	Valid	Teixeira et al.	Quaternary		Madeira
^[102]	Subsp. nov	Valid	Guzhov	Late Jurassic		Russia	A member of Heterobranchia of uncertain phylogenetic placement.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Dolicholatirus.
^[124]	Sp. nov	Valid	Foster et al.	Early Triassic		China
^[123]	Gen. et 2 sp. nov	Valid	Guzhov	Late Jurassic		Russia	A member of the family Cerithiopsidae. Genus includes new species D. minuta and D. longa.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[109]	Gen. et 4 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species E. alternatus, E. ietumensis, E. martae and E. garibaldii.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy	A species of Emarginula.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy	A species of Emarginula.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Engina.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Gosseletinidae.
^[97]	Nom. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Episcomitra.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Euthria.
^[117]	Sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Callovian)		India	A member of the family .
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	Transferred to the genus Fusulculus by Pacaud (2020), who coined a replacement name Fusulculus hanseni.^[128]
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[129]	Sp. nov	Valid	Yu, Wang & Jarzembowski	Late Cretaceous (Cenomanian	Burmese amber	Myanmar	A gastropod of uncertain phylogenetic placement. Originally described as a species of Epitonium; Neubauer et al. (2019) transferred this species to the pupinid genus .^[130]
^[129]	Sp. nov	Valid	Yu, Wang & Jarzembowski	Late Cretaceous (Cenomanian	Burmese amber	Myanmar	A gastropod of uncertain phylogenetic placement. Originally described as a species of Epitonium; Neubauer et al. (2019) transferred this species to the pupinid genus Pseudopomatias.^[130]
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[131]	Sp. nov	Valid	Das et al.	Late Jurassic		India	A species of Euspira.
^[131]	Sp. nov	Valid	Das et al.	Late Jurassic		India	A species of Euspira.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Euspira.
^[105]	Sp. nov	Valid	Asato & Hirano in Hirano et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Diplommatinidae.
^[113]	Gen. et sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Rissooidea belonging to the new family . The type species is F. peregrina.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[132]	Sp. nov	Valid	Powell & Geiger	Miocene	Topanga Canyon Formation	United States ( California)	A member of the family Fissurellidae.
^[103]	Sp. nov	Valid	Lozouet	Miocene		France	A member of the family Cancellariidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Fusinus.
^[133]	Sp. nov	Valid	Zamberlan & Checchi	Eocene (late Ypresian/early Lutetian)		Italy	A member of the family Cypraeidae belonging to the subfamily .
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A species of Gibberula.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Gibberula.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Gibberula.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Gibberula.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Gibberula.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family .
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Gosseletinidae. Originally described as a species of , but subsequently transferred to the genus Nemaspira.^[134]
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Goniasmatidae.
^[112]	Sp. nov	Valid	Naranjo-García & Aguillón in Vega et al.	Late Cretaceous (late Campanian)	Cerro del Pueblo Formation	Mexico	A member of the family Pleuroceridae.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Campaniloidea belonging to the family .
^[131]	Sp. nov	Valid	Das et al.	Late Jurassic		India	A member of the family Naticidae.
^[112]	Sp. nov	Valid	Naranjo-García & Aguillón in Vega et al.	Late Cretaceous (late Campanian)	Cerro del Pueblo Formation	Mexico	A member of the family Physidae.
^[135]	Sp. nov	Valid	Kovács & Vicián	Eocene		Hungary	A member of the family Muricidae.
^[110]	Sp. nov	Valid	Pacaud	Eocene		United Kingdom
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Porcelliidae.
^[102]	Gen. et sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Cornirostridae. Genus includes new species H. globosa.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Hinea.
^[136]	Gen. et sp. nov	Valid	Neubauer, Xing & Jochum	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Cyclophoridae. The type species is H. electrum.
^[112]	Sp. nov	Valid	Naranjo-García & Aguillón in Vega et al.	Late Cretaceous (late Campanian)	Cerro del Pueblo Formation	Mexico	A species of Holospira.
^[99]	Sp. nov	Valid	Thivaiou, Harzhauser & Koskeridou	Miocene (Aquitanian)		Greece	A species of Homalopoma.
^[137]	Sp. nov	Valid	Esu & Girotti	Oligocene (Chattian)		Italy	A species of Hydrobia sensu lato.
^[137]	Sp. nov	Valid	Esu & Girotti	Oligocene (Chattian)		Italy	A species of Hydrobia sensu lato.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Pseudozygopleuridae.
^[138]	Sp. nov	Valid	Halder & Das	Eocene		India	A volute.
^[110]	Sp. nov	Valid	Pacaud			Iran
^[110]	Sp. nov	Valid	Pacaud	Paleogene		Turkey
^[117]	Gen. et sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Bathonian)		India	A possible member of the family Pleurotomariidae. The type species is J. jumaraensis.
^[109]	Gen. et 2 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species J. sturanii and possibly also J? tenuiretis.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[105]	Sp. nov	Valid	Asato & Hirano in Hirano et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A species of Lagocheilus.
^[105]	Sp. nov	Valid	Asato & Hirano in Hirano et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Originally described as a species of Lagocheilus. Transferred to the genus by Balashov (2020).^[139]
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leiostyla.
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leiostyla.
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leiostyla.
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leiostyla.
^[96]	Subsp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leptaxis.
^[96]	Sp. nov	Valid	Teixeira et al.	Quaternary		Madeira	A species of Leptaxis.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
Levizygopleura magna^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Littoraria.
^[88]	Sp. nov	In press	Ebbestad et al.	Late Ordovician	Upper Ktaoua Formation	Morocco	A member of the family Lophospiridae. Announced in 2019; the final version of the article naming it is not published yet.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Lyria.
^[102]	Gen. et sp. nov	Valid	Guzhov	Jurassic		Russia	A member of Heterobranchia of uncertain phylogenetic placement. Genus includes new species M. sinistra.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Mathilda.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Melanopsis.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Melarhaphe.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Melarhaphe.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Merica.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Merica.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Merica.
^[98]	Sp. nov	Valid	Harzhauser & Landau	Middle Miocene		Hungary	A species of Mesalia.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Mesalia.
^[98]	Sp. nov	Valid	Harzhauser & Landau	Middle Miocene		Austria Czech Republic	A species of Mesalia.
^[98]	Sp. nov	Valid	Harzhauser & Landau	Middle Miocene		Austria	A species of Mesalia.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Mitrella.
^[101]	Gen. et sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Stuoraxidae. Genus includes new species M. bonus.
^[140]	Sp. nov	Valid	Amano	Late Pliocene	Nadachi Formation	Japan	A species of Monodonta.
^[141]	Sp. nov	Valid	Merle & Pacaud	Eocene (Priabonian)		France	A species of Murexsul.
^[97]	Nom. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A species of Neverita.
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Daminilidae.
^[108]	Sp. nov	Valid	Landau et al.	Miocene (Tortonian)		France	A species of Ocinebrina.
^[104]	Gen. et comb. nov	Valid	Sanders, Merle & Puillandre	Eocene to early Miocene		Peru	A member of the family Bursidae. The type species is "Bursa" chira Olsson (1930); genus also includes Bursa chira var. yasila Olsson (1930), raised to the rank of a separate species Olssonia yasila.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Omphalotrochidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
Orthonema nonnullum^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
Orthonema perspicuum^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
Orthonema repandum^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Platyceratidae.
^[95]	Nom. nov	Valid	Hansen	Early-Middle Jurassic to Late Cretaceous (Maastrichtian)		Denmark France Jamaica New Zealand Poland	A member of the family Fissurellidae belonging to the subfamily Emarginulinae; a replacement name for Loxotoma Fischer (1885).
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Palaeostylidae.
Palaeostylus nervosus^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Palaeostylidae.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Payraudeautia.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Payraudeautia.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Payraudeautia.
^[108]	Sp. nov	Valid	Landau et al.	Miocene (Tortonian)		France	A species of Paziella.
^[108]	Sp. nov	Valid	Landau et al.	Miocene (Tortonian)		France	A species of Paziella.
^[115]	Sp. nov	Valid	Vicián, Kovács & Stein	Late Oligocene – early Miocene		Hungary	A species of Paziella.
^[141]	Sp. nov	Valid	Merle & Pacaud	Eocene (Ypresian)		Pakistan	A species of Paziella.
^[135]	Sp. nov	Valid	Kovács & Vicián	Eocene		Hungary	A species of Paziella.
^[142]	Gen. et 2 sp. nov	Valid	Mazaev	Permian		Malaysia Russia	Genus includes new species P. shakhtauensis and P. batteni.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Eotomariidae.
Phragmolites lissoni^[143]	Sp. nov	Valid	Ebbestad & Gutiérrez-Marco	Ordovician (Sandbian)		Peru
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of the family Ampullinidae.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pisania.
^[117]	Sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Callovian)	Chari Formation	India	A member of the family .
Platyceras sagum^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pithodeidae.
^[112]	Sp. nov	Valid	Naranjo-García & Aguillón in Vega et al.	Paleocene	Las Encinas Formation	Mexico	A species of Pleurocera.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
Plocezyga convexa^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
Plocezyga minuta^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
Plocezyga venusta^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
^[127]	Nom. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Polygona; a replacement name for Fusus strigosus Millet (1865).
^[144]	Gen. et sp. nov	Valid	Fehse et al.	Late Eocene		Australia	A member of the family Cypraeidae. Genus includes new species P. egregia.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Procerithiidae.
^[109]	Gen. et 3 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species P. sicanus, P. obesus and possibly also P? semireticulatus.
^[145]	Sp. nov	Valid	Cataldo et al.	Early Cretaceous (Barremian)	Huitrín Formation	Argentina
^[145]	Sp. nov	Valid	Cataldo et al.	Early Cretaceous (Barremian)	Huitrín Formation	Argentina
^[107]	Sp. nov	Valid	Kiel et al.	Early Oligocene	Talara Basin	Peru	A species of Provanna.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pseudonebularia.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
^[98]	Nom. nov	Valid	Harzhauser & Landau	Early Miocene		Austria Slovakia	A member of the family Turritellidae; a replacement name for Turritella turris rotundata Schaffer (1912).
^[98]	Sp. nov	Valid	Harzhauser & Landau	Early and middle Miocene		Austria Czech Republic Hungary	A member of the family Turritellidae.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pusia.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pusia.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pusia.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Pusia.
^[99]	Sp. nov	Valid	Thivaiou, Harzhauser & Koskeridou	Miocene (Aquitanian)		Greece	A member of the family Pyramidellidae belonging to the subfamily Odostomiinae.
^[110]	Sp. nov	Valid	Pacaud			Mexico
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[107]	Sp. nov	Valid	Kiel et al.	Early Oligocene	Talara Basin	Peru	A species of Pyropelta.
^[88]	Gen. et comb. et sp. nov	In press	Ebbestad et al.	Late Ordovician		Czech Republic Morocco Spain	A member of the family Platyceratidae. The type species is "Naticopsis" antiquata Barrande in Perner (1903); genus also includes new species R. baniensis. Announced in 2019; the final version of the article naming it is not published yet.
^[109]	Gen. et sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species R. nuda.
^[109]	Gen. et 2 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species R. poseidoni and possibly also R? tritoni.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Bellerophontidae belonging to the subfamily Knightitinae.
^[110]	Sp. nov	Valid	Pacaud	Eocene		Algeria	A species of Rimella.
^[110]	Sp. nov	Valid	Pacaud	Paleogene		France	A species of Rissoina.
^[102]	Sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Cimidae.
^[102]	Sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Cimidae.
^[113]	Gen. et comb. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Caenogastropoda of uncertain phylogenetic placement. The type species is "Spirocyclina" rugosa Brösamlen (1909).
^[113]	Gen. et sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Sorbeoconcha belonging to the family Brachytrematidae. The type species is S. birugata.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudophoridae.
Sallya indigena^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudophoridae.
^[132]	Sp. nov	Valid	Powell & Geiger	Miocene	Topanga Canyon Formation	United States ( California)	A species of Scelidotoma.
^[105]	Sp. nov	Valid	Asato & Hirano in Hirano et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Pupinidae.
^[101]	Gen. et sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Palaeozygopleuridae. Genus includes new species S. costata.
^[146]	Sp. nov	Valid	Matsuoka & Miura	Early Pleistocene		Japan	A species of Semisulcospira.
^[146]	Sp. nov	Valid	Matsuoka & Miura	Late Pliocene		Japan	A species of Semisulcospira.
^[146]	Sp. nov	Valid	Matsuoka & Miura	Late Pliocene		Japan	A species of Semisulcospira.
^[146]	Sp. nov	Valid	Matsuoka & Miura	Early Pleistocene		Japan	A species of Semisulcospira.
^[113]	Sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Cerithioidea belonging to the family .
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Late Cretaceous (Maastrichtian)		Madagascar
^[141]	Sp. nov	Valid	Merle & Pacaud	Eocene (Lutetian)		Senegal	A species of Siphonochelus.
^[117]	Sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Callovian)	Chari Formation	India	A member of the family Ataphridae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Phymatopleuridae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
Stegocoelia arta^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Orthonematidae.
^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Goniasmatidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Eotomariidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Pseudozygopleuridae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Streptacididae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Soleniscidae.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Platyceratidae.
^[102]	Sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Stuoraxidae.
^[117]	Sp. nov	Valid	Szabó & Jaitly	Middle Jurassic (Bathonian)	Patcham Formation	India	A member of the family Aplustridae.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Sulcomitrella.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Sveltia.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Sveltia.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Sveltia.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Portlockiellidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Tectonatica.
^[122]	Sp. nov	Valid	Pedriali, Sosso & Dell'Angelo	Miocene		Ukraine	A species of Tectonatica.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	Possibly a species of Tectus.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[147]	Gen. et sp. et comb. nov	Valid	Mazaev	Early Permian		Russia	Genus includes new species T. lirata, as well as Т. nikitowkensis (Yakowlew, 1899), T. asiatica (Licharew, 1967), T. millegranosa (Girty, 1934) and T. pinegensis (Mazaev, 2006).
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Thylacodes.
^[109]	Gen. et 2 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species T. lineata and T. margaritata.
^[110]	Nom. nov	Valid	Pacaud	Paleogene		France
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family .
^[109]	Gen. et 3 sp. nov	Valid	Szabó et al.	Jurassic		Italy	Genus includes new species T. gattoi, T. nicolosiensis and possibly also T? pallinii.
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[148]	Subsp. nov	Valid	Stein	Miocene		North Sea basin
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[148]	Nom. nov	Valid	Stein	Miocene		Germany	A species of Tritia; a replacement name for Nassarius karinae Wienrich (2001).
^[148]	Subsp. nov	Valid	Stein	Miocene		North Sea basin
^[148]	Nom. nov	Valid	Stein	Miocene		Germany	A species of Tritia; a replacement name for Hinia coronata Mostafavi (1978).
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[127]	Sp. nov	Valid	Landau, Ceulemans & Van Dingenen	Miocene (Tortonian)		France	A species of Tritia.
^[148]	Sp. nov	Valid	Stein	Miocene		North Sea basin	A species of Tritia.
^[88]	Sp. nov	In press	Ebbestad et al.	Late Ordovician	Lower Second Bani Formation	Morocco	A member of the family Bellerophontidae. Announced in 2019; the final version of the article naming it is not published yet.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[113]	Gen. et 2 sp. nov	Valid	Gründel, Keupp & Lang	Late Jurassic (Kimmeridgian)		Germany	A member of Cerithioidea possibly belonging to the family . The type species is T. cumaritum; genus also includes T. danubii.
^[101]	Sp. nov	Valid	Mazaev	Early Permian		Russia	A member of the family Anomphalidae.
^[141]	Sp. nov	Valid	Merle & Pacaud	Eocene (Ypresian)		France	A species of Typhina.
^[141]	Sp. nov	Valid	Merle & Pacaud	Eocene (Priabonian)		France	A species of Typhina.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A member of the family Cancellariidae.
^[102]	Sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Cimidae.
^[102]	Gen. et sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Cimidae. Genus includes new species U. minuta.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark
^[125]	Gen. et sp. nov	Valid	Amano	Late Pliocene		Japan	A member of the family Capulidae. Genus includes new species V. japonica.
^[124]	Sp. nov	Valid	Foster et al.	Early Triassic		China
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	Possibly a species of Vexillum.
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Vexillum.
^[110]	Nom. nov	Valid	Pacaud	Paleogene		France
^[101]	Gen. et sp. nov	Valid	Mazaev	Early Permian		Russia	Probably a member of the family Trochonematidae. Genus includes new species V. monstrata.
^[98]	Gen. et comb. et sp. nov	Valid	Harzhauser & Landau	Middle Miocene		Austria Hungary	A member of the family Turritellidae. The type species is "Turritella" incisaeformis Csepreghy-Meznerics (1956); genus also includes new species V. ignorata.
^[110]	Nom. nov	Valid	Pacaud	Paleogene		France	A species of Viviparus.
^[103]	Sp. nov	Valid	Lozouet	Oligocene (Chattian)		France	A species of Volvarina.
^[110]	Nom. nov	Valid	Pacaud	Paleogene		France
Worthenia? waterhouse^[100]	Sp. nov	Valid	Ketwetsuriya, Cook & Nützel	Permian (Wordian)	Ratburi Group	Thailand	A member of the family Lophospiridae.
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[109]	Sp. nov	Valid	Szabó et al.	Jurassic		Italy
^[95]	Sp. nov	Valid	Hansen	Cretaceous-Paleogene boundary		Denmark	A species of Zebinella.
^[102]	Gen. et sp. nov	Valid	Guzhov	Jurassic		Russia	A member of the family Ampezzanildidae. Genus includes new species Z. costata.

Other molluscs[]

Research[]

A study on shell microstructures of specimens of Anabarella australis from the Cambrian Series 2 of the North China Block is published by Li et al. (2019).^[149]
A study on the relative importance of bivalves and brachiopods in the fossil assemblages from the Carboniferous Pennsylvanian Breathitt Formation of Kentucky is published by Hsieh, Bush & Bennington (2019).^[150]
A study on transitional Permian-Triassic bivalve fauna from five sections of littoral clastic facies in southwestern China is published by Song et al. (2019).^[151]
A study on body size changes in bivalves in the aftermath of the Permian–Triassic extinction event is published online by Atkinson & Wignall (2019).^[152]
A study on changes of body size of bivalves belonging to the family Limidae prior to, and in the aftermath of the Triassic–Jurassic extinction event is published by Atkinson et al. (2019).^[153]
A study on changes in the body size of benthic marine bivalves and brachiopods from the Lusitanian Basin (Portugal) before the Toarcian oceanic anoxic event is published by Piazza et al. (2019).^[154]
A study on the impact of the early Toarcian extinction event on fossil brachiopods and bivalves known from the Iberian Range (Spain) is published by Danise et al. (2019).^[155]
A study on the impact of the Early Toarcian Oceanic Anoxic Event on the population of the bivalve species cancellata from the Neuquén Basin (Argentina) is published by Franch et al. (2019).^[156]
A study on the temporal and spatial distribution of pectinid and ostreid bivalves in Middle and Late Jurassic sequences exposed in the Tanggula Mountains (China) is published by Sha (2019).^[157]
A study on muscle attachment sites preserved in phosphatized inoceramid anglicus, and on their implications for inferring the palaeobiology of inoceramid bivalves, is published by Knight & Morris (2019).^[158]
A sclerochronological study of shells of the gigantic inoceramids schmidti and S. sachalinensis from the middle Campanian Yezo Basin in Hokkaido (Japan) is published by Walliser et al. (2019).^[159]
A study on the relationship of growth rate in the scallop to temperature and primary production, and on its implications for inferring the cause of extinction of this species, is published by Johnson et al. (2019).^[160]

New taxa[]

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
^[161]	Sp. nov	Valid	Hansen et al.	Late Pleistocene		Fram Strait	A bivalve belonging to the family Solemyidae.
^[124]	Sp. nov	Valid	Foster et al.	Early Triassic		China	A bivalve.
^[162]	Sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve, a species of Atrina.
^[163]	Gen. et sp. nov		Stiller & Chen	Late Jurassic (Tithonian)		China	A bivalve. Genus includes new species B. baxoiensis.
^[164]	Gen. et comb. nov	Junior homonym	Cooper & Leanza	Early Cretaceous (Albian)		Brazil	A bivalve belonging to the family Megatrigoniidae and the subfamily Megatrigoniinae. The type species is "" britoi Hessel (2005). The generic name is preoccupied by Bengtsonella Muller & Hinz (1991) and Bengtsonella Mostler (1996); Ceccolini & Cianferoni (2021) coined a replacement name Bengtsonigonia.^[165]
^[164]	Gen. et comb. nov	Valid	Cooper & Leanza	Jurassic (Callovian–early Oxfordian)	Bicknell Sandstone	Canada ( British Columbia) United States ( California)	A bivalve belonging to the subfamily Megatrigoniinae. The type species is "Trigonia" plumasensis Hyatt (1892).
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A bivalve.
^[166]	Sp. nov	Valid	Ayoub-Hannaa et al.	Cretaceous		Brazil United Kingdom	A bivalve belonging to the family Lucinidae.
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A bivalve.
^[167]	Sp. nov	Valid	Pérez	Early Pliocene		Argentina	A bivalve belonging to the family Condylocardiidae.
^[162]	Sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve, a species of Chlamys.
^[168]	Gen. et comb. et sp. nov	Valid	Santelli & del Río	Miocene–Pliocene	Bahía Inglesa Formation Navidad Formation	Argentina Chile	A scallop. The type specie is "Pecten" calderensis Möricke (1896); genus also includes new species C. camachoi.
^[169]	Sp. nov	Valid	Amano et al.	Early Miocene		Japan	A bivalve.
^[97]	Sp. nov	Valid	Pacaud & Lebrun	Eocene (Lutetian)		Morocco	A bivalve.
^[164]	Gen. et comb. nov	Valid	Cooper & Leanza	Late Jurassic (Kimmeridgian)	Malone Formation	Mexico United States ( Louisiana Texas)	A bivalve belonging to the subfamily Megatrigoniinae. The type species is "Trigonia" goodellii Cragin (1897).
^[164]	Gen. et comb. nov	Valid	Cooper & Leanza	Late Jurassic (Tithonian)		Argentina Chile Colombia Peru	A bivalve belonging to the subfamily Megatrigoniinae. The type species is "Trigonia" eximia Philippi (1899); genus also includes "Trigonia" discors Philippi (1899), "" lamberti Levy (1967) and "Anditrigonia eximia" tesselicaudata Leanza (1993) (raised to the rank of a separate species Damborenella tessellicaudata).
^[170]	Sp. nov	Valid	Powell, Clites & Poust	Miocene	Sobrante Formation	United States ( California)	A species of Dentalium.
^[168]	Gen. et comb. nov	Valid	Santelli & del Río	Miocene–Pliocene	Bahía Inglesa Formation Coquimbo Formation La Portada Formation Pisco Formation	Chile Peru	A scallop. Genus includes D. hupeanus (Philippi, 1887) and D. remondi (Philippi, 1887).
^[171]	Sp. nov	Valid	Borkar & Kulkarni	Miocene	Lower Mekran Series	India Pakistan	A bivalve belonging to the family Veneridae; a species of Dosinia.
^[171]	Sp. nov	Valid	Borkar & Kulkarni	Miocene	Lower Mekran Series	India Pakistan	A bivalve belonging to the family Veneridae; a species of Dosinia.
^[162]	Sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve.
^[172]	Gen. et comb. nov	Valid	Fürsich, Heinze & Ayoub-Hannaa	Jurassic (Callovian to Kimmeridgian)		Egypt India Madagascar Portugal	A bivalve belonging to the family Lucinidae. The type species is "" madagascariensis Newton (1889).
^[173]	Sp. nov	Valid	Cherns & Schwabe	Oligocene (Chattian) and Miocene (Burdigalian)^[174]		France	A chiton. Originally described as a species of Chaetopleura; subsequently transferred to the genus Ischnochiton by Dell’Angelo et al. (2018).^[174]
^[173]	Sp. nov	Valid	Cherns & Schwabe	Oligocene (Rupelian)		France	A chiton, Originally described as a species of Chaetopleura; subsequently transferred to the new genus Spinochiton by Dell’Angelo et al. (2018).^[174]
Helcionella lemdadensis^[175]	Sp. nov	Valid	Geyer, Valent & Meier	Cambrian		Germany
^[124]	Sp. nov	Valid	Foster et al.	Early Triassic		China	A bivalve.
^[176]	Gen. et comb. et 2 sp. nov	Valid	Masse & Fenerci-Masse	Cretaceous		Bulgaria France	A rudist bivalve. The type species is "Monopleura" affinis Matheron (1878); genus also includes "Monopleura" imbricata Matheron (1842) and "Monopleura" coquandi Matheron (1878), as well as new species H. rustrella and H. balkanica.
Inoceramus chiplonkari^[30]	Sp. nov	Valid	Walaszczyk in Gale, Kennedy & Walaszczyk	Late Cretaceous (Cenomanian and Turonian)		India Japan
^[177]	Sp. nov	Valid	Dell’Angelo, Sosso & Bonfitto	Pleistocene		Italy	A chiton, a species of Ischnochiton.
^[173]	Sp. nov	Valid	Cherns & Schwabe	Eocene		France	A chiton, a species of Ischnochiton.
^[178]	Sp. nov	Valid	Lesport & Lozouet in Lesport et al.	Miocene (Aquitanian)		France	A bivalve belonging to the family Lasaeidae.
^[175]	Sp. nov	Valid	Geyer, Valent & Meier	Cambrian		Germany	A helcionelloid.
^[107]	Sp. nov	Valid	Kiel et al.	Early Oligocene	Talara Basin	Peru	A bivalve belonging to the family Malletiidae.
^[172]	Sp. nov	Valid	Fürsich, Heinze & Ayoub-Hannaa	Late Jurassic (Oxfordian)	Morondava Basin	Madagascar	A bivalve belonging to the family Astartidae.
^[179]	Sp. nov	Valid	Damborenea & Pagani	Early Jurassic		Argentina	A bivalve.
^[180]	Sp. nov	Valid	Li et al.	Cambrian Series 2		China	A helcionellid.
^[178]	Sp. nov	Valid	Lesport, Lozouet & Pacaud in Lesport et al.	Miocene (Aquitanian)		France	A bivalve, a species of Peronaea.
^[179]	Sp. nov	Valid	Damborenea & Pagani	Early Jurassic		Argentina	A bivalve.
^[162]	Sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve, a species of Pinna.
^[181]	Sp. nov	Valid	Hodges	Early Jurassic		United Kingdom	A bivalve.
^[182]	Sp. nov	Valid	Amano et al.	Late Oligocene to early Miocene	Nabae Group	Japan	A bivalve belonging to the family Vesicomyidae.
^[107]	Sp. nov	Valid	Kiel et al.	Early Oligocene	Talara Basin	Peru	A bivalve belonging to the family Vesicomyidae.
^[162]	Gen. et sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve. Genus includes new species P. vetulus.
^[88]	Sp. nov	In press	Ebbestad et al.	Late Ordovician		Morocco	A bivalve belonging to the family Praenuculidae. Announced in 2019; the final version of the article naming it is not published yet.
^[183]	Sp. nov	Valid	Amano	Paleocene		Japan	A bivalve belonging to the group Anomalodesmata and to the family Parilimyidae.
^[107]	Gen. et comb. nov	Valid	Kiel et al.	Eocene and Early Oligocene	Talara Basin	Cuba Peru	A bivalve belonging to the group Heterodonta and to the family . The type species is "" peruviana Olsson (1931); genus also includes "Unio" bitumen Cooke (1919).
^[172]	Sp. nov	Valid	Fürsich, Heinze & Ayoub-Hannaa	Late Jurassic (Oxfordian)	Morondava Basin	Madagascar	A bivalve belonging to the family .
^[184]	Sp. nov	Valid	Qin et al.	Cambrian		China	A member of Maikhanellidae.
^[162]	Gen. et sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve. Genus includes new species R. mahmudiaensis.
^[145]	Sp. nov	Valid	Cataldo et al.	Early Cretaceous (Barremian)	Huitrín Formation	Argentina	A bivalve.
^[179]	Sp. nov	Valid	Damborenea & Pagani	Early Jurassic		Argentina	A bivalve.
^[162]	Sp. nov	Valid	Friesenbichler et al.	Middle Triassic (Anisian)	Caerace Formation	Romania	A bivalve.
^[185]	Nom. nov	Valid	Schneider & Kelly	Late Cretaceous (Cenomanian to Turonian)		Kyrgyzstan Uzbekistan	A bivalve belonging to the family Megatrigoniidae; a replacement name for Turkestanella Tashiro (1979). The type species is "Trigonia" turkestanensis Arkhangelsky (1916).
^[186]	Sp. nov	Valid	Pérez-Barría & Nielsen	Early Miocene	Ranquil Formation	Chile	A bivalve, a species of Solemya.
^[173]	Sp. nov	Disputed	Cherns & Schwabe	Oligocene (Rupelian)		France	A chiton. Originally described as a species of Stenoplax; Dell’Angelo et al. (2020) considered this species to be a junior synonym of .^[187]
^[188]	Sp. nov	Valid	Koskeridou, La Perna & Giamali	Early Pliocene		Greece	A bivalve.
^[173]	Sp. nov	Valid	Cherns & Schwabe	Oligocene (Chattian)		France	A chiton, a species of Tonicella.
^[189]	Sp. nov	Valid	Pons et al.	Late Cretaceous (early Campanian)		Serbia Spain	A rudist bivalve.
^[189]	Sp. nov	Valid	Pons et al.	Late Cretaceous (late Campanian)		Bulgaria	A rudist bivalve.
^[189]	Sp. nov	Valid	Pons et al.	Late Cretaceous (late Campanian)		Spain	A rudist bivalve.
^[190]	Sp. nov	Valid	Kase et al.	Pliocene		Philippines	A bivalve belonging to the family Vesicomyidae.
^[191]	Sp. nov	Valid	Hryniewicz in Hryniewicz et al.	Late Paleocene		Norway	A bivalve belonging to the family Pholadidae.
^[191]	Sp. nov	Valid	Amano in Hryniewicz et al.	Late Paleocene		Norway	A bivalve belonging to the family Yoldiidae.

References[]

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[17] Romain Jattiot; Emmanuel Fara; Arnaud Brayard; Séverine Urdy; Nicolas Goudemand (2019). "Learning from beautiful monsters: phylogenetic and morphogenetic implications of left-right asymmetry in ammonoid shells". BMC Evolutionary Biology. 19 (1): Article number 210. doi:10.1186/s12862-019-1538-5. PMC 6854895. PMID 31722660.

[18] Isabelle Kruta; Jérémie Bardin; Christopher P. A. Smith; Paul Tafforeau; Neil H. Landman (2019). "Enigmatic hook‐like structures in Cretaceous ammonites (Scaphitidae)" (PDF). Palaeontology. 63 (2): 301–312. doi:10.1111/pala.12457. S2CID 214305133.

[Albanesiceras-19] ^ ^a ^b ^c ^d ^e ^f András Galácz (2019). "Rare and new Late Bathonian (Middle Jurassic) ammonites from Monte Kumeta, western Sicily". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (3): 231–252. doi:10.1127/njgpa/2019/0798. S2CID 232505080.

[Caribouceras-20] Arnaud Brayard; James F. Jenks; Kevin G. Bylund; the Paris Biota Team (2019). "Ammonoids and nautiloids from the earliest Spathian Paris Biota and other early Spathian localities in southeastern Idaho, USA". Geobios. 54: 13–36. doi:10.1016/j.geobios.2019.04.007. S2CID 146753373.

[GPW92-21] William James Kennedy; Ulrich Kaplan (2019). "Ammoniten aus dem Turonium des Münsterländer Kreidebeckens" (PDF). Geologie und Paläontologie in Westfalen. 92: 3–223.

[APPRaffietal-22] María E. Raffi; Eduardo B. Olivero; Florencia N. Milanese (2019). "The gaudryceratid ammonoids from the Upper Cretaceous of the James Ross Basin, Antarctica". Acta Palaeontologica Polonica. 64 (3): 523–542. doi:10.4202/app.00560.2018.

[23] Dieter Korn; Abbas Ghaderi; Nahideh Ghanizadeh Tabrizi (2019). "Early Changhsingian (Late Permian) ammonoids from NW Iran". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 293 (1): 37–56. doi:10.1127/njgpa/2019/0829. S2CID 199100337.

[NJGPA2923-24] Dieter Korn; Abbas Ghaderi (2019). "The Late Permian araxoceratid ammonoids: a case of repetitive temporal and spatial unfolding of homoplastic conch characters". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 292 (3): 339–350. doi:10.1127/njgpa/2019/0826. S2CID 189991301.

[Riviera103-25] Jean Vermeulen; Alain Borro; Pierre Lazarin; Patrick Lépinay; Lucien Leroy; Emile Mascarelli (2019). "Sur deux nouvelles espèces de la famille des Crioceratitidae GILL. 1871 nom, correct. WRIGHT, 1952 (Ancyloceratina)". Riviera Scientifique. 103: 79–96.

[Beckeroceras-26] Carole Naglik; Kenneth De Baets; Christian Klug (2019). "Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation". Bulletin of Geosciences. 94 (3): 337–368. doi:10.3140/bull.geosci.1721.

[Beulia-27] Dieter Korn; John D. Price (2019). "Rare representatives of new Late Devonian ammonoids from the Rhenish Mountains and the Montagne Noire". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 294 (1): 71–79. doi:10.1127/njgpa/2019/0846. S2CID 210292486.

[Borealiceras-28] Jean Vermeulen; Alain Borro; Pierre Lazarin; Patrick Lépinay; Lucien Leroy; Emile Mascarelli (2019). "New or not well known ammonites taxa of the Hauterivian and the Barremian". Annales du Muséum d'Histoire Naturelle de Nice. XXXIV: 25–50.

[Carpathiceras-29] Christian Meister; Jan Schlögl (2019). "Sinemurian ammonites from Male Karpaty Mts, Western Carpathians, Slovakia. Part 3: Asteroceratinae, Eoderoceratidae, Oxynoticeratidae and rare taxa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 294 (1): 1–69. doi:10.1127/njgpa/2019/0845. S2CID 210615246.

[Kunnamiceras-30] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Andrew S. Gale; William J. Kennedy; Ireneusz Walaszczyk (2019). "Upper Albian, Cenomanian and Lower Turonian stratigraphy, ammonite and inoceramid bivalve faunas from the Cauvery Basin, Tamil Nadu, South India". Acta Geologica Polonica. 69 (2): 161–338. doi:10.24425/agp.2019.126438.

[31] Peter Brack; Hans Rieber (2019). "Chieseiceras dolomiticum n. sp. (Ammonoidea) and its significance for the calibration of the Triassic platform interior stratigraphy at Latemar (Southern Alps, Italy)". Swiss Journal of Palaeontology. 138 (1): 27–35. doi:10.1007/s13358-019-00184-6. S2CID 134658176.

[32] William J. Kennedy; Harald Lobitzer (2019). "Middle Cenomanian ammonites from the Odukpani Formation, Calabar Flank, Cross River State, southeastern Nigeria" (PDF). Jahrbuch der Geologischen Bundesanstalt. 159 (1–4): 247–287.

[33] Robert Baron Chandler (2019). "A new ammonite faunal horizon in the Ovale Zone (Middle Jurassic, Lower Bajocian) and observations on the ammonite genus Sonninia at Coombe Quarry, Mapperton, near Beaminster, Dorset". Proceedings of the Geologists' Association. 130 (6): 772–791. doi:10.1016/j.pgeola.2019.10.004. S2CID 213889198.

[NJGPA2933-34] David M. Work; Charles E. Mason (2019). "Mississippian (latest Tournaisian; middle Osagean) ammonoids from the Nancy Member of the Borden Formation, east-central Kentucky". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 293 (3): 325–342. doi:10.1127/njgpa/2019/0844. S2CID 203092666.

[NJGPA2942KornPrice-35] Dieter Korn; John D. Price (2019). "Advanced gonioclymeniid ammonoids from Central Europe". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 294 (2): 157–176. doi:10.1127/njgpa/2019/0853. S2CID 214324072.

[36] William J. Kennedy; Harald Lobitzer (2019). "Upper Albian and Lower Cenomanian ammonites from the Mfamosing Quarry, Calabar Flank, Cross River State, south-eastern Nigeria" (PDF). Jahrbuch der Geologischen Bundesanstalt. 159 (1–4): 203–245.

[PJ533ammonites-37] K. V. Borissenkov; V. A. Konovalova; R. V. Kutygin (2019). "Carboniferous ammonoids of the Taimyr Peninsula". Paleontological Journal. 53 (3): 257–269. doi:10.1134/S0031030119020047. S2CID 195319408.

[38] Rafel Matamales-Andreu; Josep Juárez-Ruiz; Antoine Pictet; Josep Anton Moreno-Bedmar (2019). "Glaucoceras gen. nov., a small uncoiled ammonoid from the Tethyan late Hauterivian (Early Cretaceous): evolutionary implications at the dawn of the diversification of heteromorphic lineages". Cretaceous Research. 100: 114–125. doi:10.1016/j.cretres.2019.02.025. S2CID 135371950.

[39] Terence P. Poulton; Russell L. Hall (2019). "Probable Early Callovian ammonite horizons from northwestern British Columbia, Canada". Journal of South American Earth Sciences. 95: Article 102214. Bibcode:2019JSAES..9502214P. doi:10.1016/j.jsames.2019.102214. S2CID 197565319.

[40] Neil H. Landman; W. James Kennedy; Neal L. Larson; Joyce C. Grier; James W. Grier; Tom Linn (2019). "Description of two species of Hoploscaphites (Ammonoidea, Ancyloceratina) from the Upper Cretaceous (Lower Maastrichtian) of the U.S. Western Interior". Bulletin of the American Museum of Natural History. 2019 (427): 1–72. doi:10.1206/0003-0090.427.1.1. hdl:2246/6926. S2CID 91263199.

[Nelomites-41] Jürgen Bockwinkel; Dieter Korn; Karl Josef Herd (2019). "An assemblage of pyritized middle Famennian ammonoids from the Velbert Anticline (Rhenish Mountains)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (1): 41–59. doi:10.1127/njgpa/2019/0788. S2CID 134266456.

[42] Volker Dietze; Axel von Hillebrandt (2019). "Lower Bajocian (Middle Jurassic) ammonites of the Manflas area in Atacama Province, northern Chile, Part 2: Giebeli Zone" (PDF). Zitteliana. 93: 25–46.

[Semilissoceras-43] ^ ^a ^b ^c ^d ^e ^f Giulio Pavia; Sixto R. Fernandez-Lopez (2019). "Bajocian Lissoceratinae (Haploceratoidea, Ammonitida) from the Mediterranean-Caucasian Subrealm". Rivista Italiana di Paleontologia e Stratigrafia. 125 (1): 29–75. doi:10.13130/2039-4942/11058.

[44] Dieter Korn; Abbas Ghaderi; Léa Devaere; Vachik Hairapetian; Mohammed Khanehbad; Zdzisław Bełka (2019). "Sporadoceratid ammonoids from the Shotori Range (east-central Iran) – a case of putative gigantism caused by hydraulic sorting?". Acta Geologica Polonica. 69 (1): 27–49. doi:10.1515/agp-2018-0012 (inactive 31 October 2021).CS1 maint: DOI inactive as of October 2021 (link)

[45] Marco Balini; Alda Nicora; Stefano Zanchetta; Andrea Zanchi; Ruben Marchesi; Irene Vuolo; Maryam Hosseiniyoon; Mehdi Norouzi; Sara Soleimani (2019). "Olenekian to early Ladinian stratigraphy of the western part of the Aghdarband window (Kopeh-Dag, NE Iran)". Rivista Italiana di Paleontologia e Stratigrafia. 125 (1): 283–315. doi:10.13130/2039-4942/11446.

[Monograph50-46] Yasunari Shigeta; Masataka Izukura; Tomohiro Nishimura (2019). "Campanian (Late Cretaceous) ammonoids and inoceramids from the Ribira River area, Hokkaido, northern Japan" (PDF). National Museum of Nature and Science Monographs. 50: 1–139.

[Mesodistichites-47] Leopold Krystyn; Marco Balini; Babak Sepehriannasab Aghababalou; Vachik Hairapetian (2019). "Norian ammonoids from the Nayband Formation (Iran) and their bearing on Late Triassic sedimentary and geodynamic history of the Iran Plate". Rivista Italiana di Paleontologia e Stratigrafia. 125 (1): 231–248. doi:10.13130/2039-4942/11412.

[SGC271ammonites-48] D. B. Gulyaev (2019). "Ammonites and infrazonal stratigraphy of the Lower Bathonian Besnosovi Zone of the Russian Plate". Stratigraphy and Geological Correlation. 27 (1): 95–117. Bibcode:2019SGC....27...95G. doi:10.1134/S0869593819010039. S2CID 149734919.

[49] W. J. Kennedy (2019). "The Ammonoidea of the Upper Chalk. Part 1". Monographs of the Palaeontographical Society. 173 (654): 1–207. doi:10.1080/02693445.2019.1642002. S2CID 218525968.

[50] Ralph Thomas Becker; Christian Klug; Till Söte; Sven Hartenfels; Zhor Sarah Aboussalam; Ahmed El Hassani (2019). "The oldest ammonoids of Morocco (Tafilalt, lower Emsian)". Swiss Journal of Palaeontology. 138 (1): 9–25. doi:10.1007/s13358-019-00189-1. S2CID 134764019.

[51] Masayuki Fujikawa (2019). "Prolecanites akiyoshiensis, a new Carboniferous ammonoid from the Akiyoshi Limestone, Yamaguchi Prefecture, Japan". Bulletin of the Akiyoshi-dai Museum of Natural History. 54: 1–6.

[52] Louis Rulleau; Romain Jattiot (2019). "Révision de la sous-famille Mercaticeratinae Guex, 1973 (Ammonitina, Hildoceratidae) du Toarcien moyen de la province nord-ouest européenne". Revue de Paléobiologie, Genève. 38 (1): 19–38. doi:10.5281/zenodo.3265237.

[53] Horacio Parent; Alberto C. Garrido; Günter Schweigert; Luciano Brambilla (2019). "Pseudosonninia, a new genus of oppeliid ammonite (Haploceratoidea) from the Callovian (Middle Jurassic) of the Neuquén Basin, Argentina". Volumina Jurassica. 17: 39–48.

[54] Christina Ifrim (2019). "Schlueterella stinnesbecki n. sp. (Ammonoidea, Diplomoceratidae) from the Turonian-Coniacian of northeastern Mexico". Boletín de la Sociedad Geológica Mexicana. 71 (3): 841–849. doi:10.18268/BSGM2019v71n3a13.

[55] Lubomir Metodiev (2019). "Rare and little-known ammonites from the Lower and Middle Jurassic of the Western and Central Balkan Mts (Bulgaria)" (PDF). Geologica Balcanica. 48 (1): 3–41. doi:10.52321/GeolBalc.48.1.3. S2CID 209443729.

[PGAstephanoceratids-56] Robert B. Chandler (2019). "Two new stephanoceratid ammonites from the Aalenian-Lower Bajocian (Middle Jurassic, Dorset, UK) and their phylogenetic significance". Proceedings of the Geologists' Association. 130 (3–4): 307–325. doi:10.1016/j.pgeola.2018.05.003. S2CID 134302946.

[57] Philippe Fauré; Dominique Téodori (2019). "Les Ammonites du Pliensbachien des Pyrénées ariégeoises (Zone nord-pyrénéenne, France) : taxonomie, stratigraphie et implications paléogéographiques". Revue de Paléobiologie, Genève. 38 (2): 269–361. doi:10.5281/zenodo.3579349.

[58] David J. Peterman; Christopher C. Barton; Margaret M. Yacobucci (2019). "The hydrostatics of Paleozoic ectocochleate cephalopods (Nautiloidea and Endoceratoidea) with implications for modes of life and early colonization of the pelagic zone". Palaeontologia Electronica. 22 (2): Article number 22.2.24. doi:10.26879/884.

[59] Xiang Fang; Björn Kröger; Yuan-Dong Zhang; Yun-Bai Zhang; Ting-En Chen (2019). "Palaeogeographic distribution and diversity of cephalopods during the Cambrian–Ordovician transition". Palaeoworld. 28 (1–2): 51–57. doi:10.1016/j.palwor.2018.08.007. hdl:10138/308817.

[60] Xiang Fang; Clive Burrett; Wenjie Li; Yunbai Zhang; Yuandong Zhang; Tingen Chen; Xuejin Wu (2019). "Dynamic variation of Middle to Late Ordovician cephalopod provincialism in the northeastern peri-Gondwana region and its implications". Palaeogeography, Palaeoclimatology, Palaeoecology. 521: 127–137. Bibcode:2019PPP...521..127F. doi:10.1016/j.palaeo.2019.02.015. S2CID 134139469.

[61] Kayla M. Kolis; Bruce S. Lieberman (2019). "Using GIS to examine biogeographic and macroevolutionary patterns in some late Paleozoic cephalopods from the North American Midcontinent Sea". PeerJ. 7: e6910. doi:10.7717/peerj.6910. PMC 6521810. PMID 31139505.

[62] M. Cichowolski; N.J. Uriz; M.B. Alfaro; J.C. Galeano Inchausti (2019). "Ascocerid cephalopods from the Hirnantian?–Llandovery stages of the southern Paraná Basin (Paraguay, South America): first record from high paleolatitudes". Journal of Paleontology. 93 (1): 37–47. doi:10.1017/jpa.2018.59. hdl:11336/124601. S2CID 134836401.

[63] Larisa A. Doguzhaeva (2019). "Siphonal tube structure of the Late Devonian orthocerid Dolorthoceras from the Polar Urals (NW Russia) preserving nacre and organic fibres as well as its persistence in cephalopod evolution". Swiss Journal of Palaeontology. 138 (1): 37–47. doi:10.1007/s13358-019-00188-2. S2CID 134845266.

[64] Mikhail A. Rogov; Elena V. Shchepetova; Alexei P. Ippolitov; Vladimir B. Seltser; Aleksandr A. Mironenko; Boris G. Pokrovsky; Bhawanisingh G. Desai (2019). "Response of cephalopod communities on abrupt environmental changes during the early Aptian OAE1a in the Middle Russian Sea". Cretaceous Research. 96: 227–240. doi:10.1016/j.cretres.2019.01.007. S2CID 135280731.

[65] René Hoffmann; Sylvia Riechelmann; Kathleen A. Ritterbush; Jennifer Koelen; Nathalie Lübke; Michael M. Joachimski; Jens Lehmann; Adrian Immenhauser (2019). "A novel multiproxy approach to reconstruct the paleoecology of extinct cephalopods". Gondwana Research. 67: 64–81. Bibcode:2019GondR..67...64H. doi:10.1016/j.gr.2018.10.011. S2CID 135283377.

[66] Andy H. King; David H. Evans (2019). "High-level classification of the nautiloid cephalopods: a proposal for the revision of the Treatise Part K". Swiss Journal of Palaeontology. 138 (1): 65–85. doi:10.1007/s13358-019-00186-4. S2CID 133647555.

[67] Štěpán Manda; Vojtěch Turek (2019). "Embryonic and early juvenile development in the Silurian basal nautilid Peismoceras Hyatt, 1894". Swiss Journal of Palaeontology. 138 (1): 123–139. doi:10.1007/s13358-019-00192-6. S2CID 182657954.

[68] Dieter Korn; Abbas Ghaderi; Nahideh Ghanizadeh Tabrizi; Jana Gliwa (2019). "The morphospace of Late Permian coiled nautiloids". Lethaia. 53 (2): 154–165. doi:10.1111/let.12348. S2CID 202180189.

[69] Markus Wilmsen; Emad Nagm (2019). "Palaeobiology and evolutionary context of Angulithes mermeti, a streamlined early Late Cretaceous shallow-water nautiloid". Acta Palaeontologica Polonica. 64 (4): 831–894. doi:10.4202/app.00637.2019.

[70] Christian Klug; Neil H. Landman; Dirk Fuchs; Royal H. Mapes; Alexander Pohle; Pierre Guériau; Solenn Reguer; René Hoffmann (2019). "Anatomy and evolution of the first Coleoidea in the Carboniferous". Communications Biology. 2: Article number 280. doi:10.1038/s42003-019-0523-2. PMC 6668408. PMID 31372519.

[71] J. Pignatti; N. Mariotti; C. D’Arpa; C. Sorbini (2019). "Mesosceptron Fucini, 1915 from the Sinemurian of Sicily: an aulacoceratid cephalopod and not an octocoral". Bollettino della Società Paleontologica Italiana. 58 (2): 155–163.

[72] Dominique Jenny; Dirk Fuchs; Alexander I. Arkhipkin; Rolf B. Hauff; Barbara Fritschi; Christian Klug (2019). "Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda)". Scientific Reports. 9 (1): Article number 7944. Bibcode:2019NatSR...9.7944J. doi:10.1038/s41598-019-44260-w. PMC 6538661. PMID 31138838.

[73] Patrícia Rita; Paulina Nätscher; Luís V. Duarte; Robert Weis; Kenneth De Baets (2019). "Mechanisms and drivers of belemnite body-size dynamics across the Pliensbachian–Toarcian crisis". Royal Society Open Science. 6 (12): Article ID 190494. Bibcode:2019RSOS....690494R. doi:10.1098/rsos.190494. PMC 6936285. PMID 31903197.

[74] Jörg Mutterlose; Peter Alsen; Yasuhiro Iba; Simon Schneider (2019). "Palaeobiogeography and palaeoecology of Early Cretaceous belemnites from the northern high latitudes". Proceedings of the Geologists' Association. 131 (3–4): 278–286. doi:10.1016/j.pgeola.2019.06.001. S2CID 197575876.

[Andamanoceras-75] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Shuji Niko; Masatoshi Sone; Mohd Shafeea Leman (2019). "Ordovician Orthocerida and Pseudorthocerida (Cephalopoda: Nautiloidea) from the Lower Setul Limestone of the Langkawi Islands, Malaysia". Journal of Systematic Palaeontology. 18 (5): 381–414. doi:10.1080/14772019.2019.1608599. S2CID 198246071.

[76] Alexander Pohle; Christian Klug; Mischa Haas (2019). "Gigantism, taphonomy and palaeoecology of Basiloceras, a new oncocerid genus from the Middle Devonian of the Tafilalt (Morocco)". Swiss Journal of Palaeontology. 138 (1): 151–162. doi:10.1007/s13358-019-00182-8. S2CID 134082928.

[Clothoceras-77] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o Björn Kröger; Martina Aubrechtová (2019). "The cephalopods of the Kullsberg Limestone Formation, Upper Ordovician, central Sweden and the effects of reef diversification on cephalopod diversity". Journal of Systematic Palaeontology. 17 (12): 961–995. doi:10.1080/14772019.2018.1491899. hdl:10138/308819. S2CID 92845570.

[78] Björn Kröger; Juan Carlos Gutiérrez-Marco (2019). "First record of a nonpaleotropical intejocerid cephalopod from Darriwilian (Middle Ordovician) strata of central Spain". Journal of Paleontology. 94 (2): 273–278. doi:10.1017/jpa.2019.66. hdl:10138/312007. S2CID 203089040.

[APHewaidyetal-79] Abdel Galil A. Hewaidy; Gamal M. El Qot; El Sayed M. Moneer (2019). "Campanian–early Eocene cephalopods from Kharga Oasis, Western Desert, Egypt". Annales de Paléontologie. 105 (1): 45–61. doi:10.1016/j.annpal.2018.10.003. S2CID 133839020.

[BG944Dzyubaetal-80] Oksana S. Dzyuba; Vasily V. Mitta; Mikhail P. Sherstyukov (2019). "Dicoelitid belemnites from the Caucasian margin of the Tethys: new data from the Upper Bajocian-Lower Bathonian of Karachay-Cherkessia, southwest Russia". Bulletin of Geosciences. 94 (4): 409–424. doi:10.3140/bull.geosci.1758.

[Engeseriteuthis-81] Dirk Fuchs; Yasuhiro Iba; Alexander Heyng; Masaya Iijima; Christian Klug; Neal L. Larson; Günter Schweigert (2019). "The Muensterelloidea: phylogeny and character evolution of Mesozoic stem octopods". Papers in Palaeontology. 6 (1): 31–92. doi:10.1002/spp2.1254. S2CID 198256507.

[82] Dirk Fuchs (2019). "Eromangateuthis n. gen., a new genus for a late Albian gladius-bearing giant octobrachian (Cephalopoda: Coleoidea)". Paleontological Contributions. 21: 1–3. doi:10.17161/1808.29619. hdl:1808/29619. S2CID 204976334.

[83] Dirk Fuchs (2019). "A new peculiar muensterellid coleoid (Cephalopoda) from the Kimmeridge Clay Formation of Dorset (England)". Proceedings of the Geologists' Association. 130 (3–4): 339–344. doi:10.1016/j.pgeola.2017.07.004. S2CID 134563397.

[84] Shuji Niko; Royal H. Mapes (2019). "Grafordites mcleodi, a new Pennsylvanian cephalopod from Texas, southern Midcontinent, North America". Bulletin of the Tohoku University Museum. 18: 1–4. hdl:10097/00128644.

[Gujiaonautilus-85] Luyi Miao; Xu Dai; Dieter Korn; Arnaud Brayard; Jing Chen; Xiaokang Liu; Haijun Song (2019). "A Changhsingian (late Permian) nautiloid assemblage from Gujiao, South China" (PDF). Papers in Palaeontology. 7 (1): 329–351. doi:10.1002/spp2.1275. S2CID 204254035.

[PJ534Lambeoceras-86] I. S. Barskov; J. Marek (2019). "New species of the genus Lambeoceras Foerste (Actinocerida) from the Upper Ordovician of central Siberia". Paleontological Journal. 53 (4): 346–353. doi:10.1134/S0031030119040038. S2CID 201723693.

[87] Martin Košťák; John W. M. Jagt; Jan Schlögl (2019). "Diversity and distribution of Miocene–Pliocene sepiids (Cephalopoda) in the Mediterranean area, with new records from Italy and Turkey". Swiss Journal of Palaeontology. 138 (1): 99–108. doi:10.1007/s13358-018-0179-4. S2CID 134828049.

[Tafadnatoceras-88] ^ ^a ^b ^c ^d ^e ^f ^g Jan Ove R. Ebbestad; Marika Polechová; Björn Kröger; Juan Carlos Gutiérrez-Marco (2019). "Late Ordovician molluscs of the central and eastern Anti-Atlas, Morocco". In A. W. Hunter; J. J. Álvaro; B. Lefebvre; P. van Roy; S. Zamora (eds.). The Great Ordovician Biodiversification Event: Insights from the Tafilalt Biota, Morocco. Geological Society, London, Special Publications. The Geological Society of London. pp. SP485.9. doi:10.1144/SP485.9. hdl:10138/325371. S2CID 135049058.

[89] Jerzy Dzik (2019). "Decline in diversity of early Palaeozoic loosely coiled gastropod protoconchs". Lethaia. 53 (1): 32–46. doi:10.1111/let.12334. S2CID 165122563.

[90] Johan Vellekoop; Kris H. Van Tilborgh; Paul Van Knippenberg; John W. M. Jagt; Peter Stassen; Stijn Goolaerts; Robert P. Speijer (2019). "Type‐Maastrichtian gastropod faunas show rapid ecosystem recovery following the Cretaceous–Palaeogene boundary catastrophe". Palaeontology. 63 (2): 349–367. doi:10.1111/pala.12462. S2CID 214166942.

[91] Lida Xing; Andrew J. Ross; Jeffrey D. Stilwell; Jun Fang; Ryan C. McKellar (2019). "Juvenile snail with preserved soft tissue in mid-Cretaceous amber from Myanmar suggests a cyclophoroidean (Gastropoda) ancestry". Cretaceous Research. 93: 114–119. doi:10.1016/j.cretres.2018.09.013. S2CID 133782607.

[92] Kalyan Halder; Somnath Paira (2019). "First record of sexual size dimorphism in fossil Strombidae (Mollusca, Gastropoda) from the Miocene of Kutch, western India and its evolutionary implications". Royal Society Open Science. 6 (2): Article ID 181320. Bibcode:2019RSOS....681320H. doi:10.1098/rsos.181320. PMC 6408366. PMID 30891267.

[93] Kai Ingemann Schnetler (2019). "On the occurrence of Spinucella reimersi (von Koenen 1872) (Gastropoda: Muricidae) in the Late Miocene Gram Clay of Denmark, and an emended description of the species" (PDF). Bulletin of the Geological Society of Denmark. 67: 23–27.

[94] Guido Pastorino; Miguel Griffin (2019). "Gastropods of the genus Antistreptus as examples of persistent molluscan lineages in the Neogene of the southwestern Atlantic". Journal of Paleontology. 93 (5): 916–924. doi:10.1017/jpa.2019.8. hdl:11336/124726. S2CID 134602572.

[Zootaxa4654-95] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai ^aj ^ak ^al ^am Thomas Hansen (2019). "Gastropods from the Cretaceous-Palaeogene boundary in Denmark". Zootaxa. 4654 (1): zootaxa.4654.1.1. doi:10.11646/zootaxa.4654.1.1. PMID 31716851. S2CID 202014435.

[AfM1482-96] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ D. Teixeira; B. Pokryszko; R.A.D. Cameron; I. Silva; K. Groh (2019). "Taxonomic revision of the late-Pleistocene/Holocene land-mollusc fauna (Gastropoda: Eupulmonata) of the Desertas Islands, Madeiran Archipelago, with the description of 6 new species and 2 new subspecies". Archiv für Molluskenkunde: International Journal of Malacology. 148 (2): 137–159. doi:10.1127/arch.moll/148/137-159. S2CID 214405134.

[PacaudLebrun2019-97] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Jean-Michel Pacaud; Patrice Lebrun (2019). "Les phosphates du Maroc (2) : des faunes d'Invertébrés dominées par les bivalves et les gastéropodes". Fossiles. Revue française de paléontologie. 40: 17–37.

[Zootaxa46811-98] ^ ^a ^b ^c ^d ^e ^f ^g ^h Mathias Harzhauser; Bernard Landau (2019). "Turritellidae (Gastropoda) of the Miocene Paratethys Sea with considerations about turritellid genera". Zootaxa. 4681 (1): zootaxa.4681.1.1. doi:10.11646/zootaxa.4681.1.1. PMID 31715942. S2CID 207950393.

[Geodiversitas418-99] Danae Thivaiou; Mathias Harzhauser; Efterpi Koskeridou (2019). "Early Miocene gastropods from the Felli section (Proto-Mediterranean Sea, NW Greece)". Geodiversitas. 41 (8): 323–366. doi:10.5252/geodiversitas2019v41a8. S2CID 149834473.

[PalZKetwetsuriyaetal-100] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Chatchalerm Ketwetsuriya; Alex G. Cook; Alexander Nützel (2019). "Permian gastropods from the Ratburi Limestone, Khao Phrik, Central Thailand". PalZ. 94 (1): 53–77. doi:10.1007/s12542-019-00463-0. S2CID 199474558.

[PJ5312-101] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai ^aj ^ak ^al ^am ^an ^ao ^ap ^aq ^ar ^as ^at ^au ^av ^aw ^ax ^ay ^az ^ba ^bb ^bc A. V. Mazaev (2019). "Lower Permian gastropods of Shakhtau (Asselian–Sakmarian Boundary Beds, southern Cisuralia)". Paleontological Journal. 53 (12): 1237–1345. doi:10.1134/S0031030119120025. S2CID 212642243.

[Zizipupa-102] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j A. V. Guzhov (2019). "Heterobranchia (Gastropoda) from the Jurassic deposits of Russia". Paleontological Journal. 53 (11): 1162–1187. doi:10.1134/S0031030119110042. S2CID 212641905.

[Cossmanniana20-103] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad Pierre Lozouet (2019). "Volutidae, Volutomitridae, Marginellidae, Cysticidae et Cancellariidae (Mollusca, Gastropoda, Neogastropoda) de l'Oligocène supérieur (Chattien) du bassin de l'Adour (Sud-Ouest de la France)". Cossmanniana. 20: 3–109.

[Geodiversitas415-104] Malcolm T. Sanders; Didier Merle; Nicolas Puillandre (2019). "A review of fossil Bursidae and their use for phylogeny calibration". Geodiversitas. 41 (5): 247–265. doi:10.5252/geodiversitas2019v41a5. S2CID 134825123.

[Archaeocyclotus-105] Takahiro Hirano; Kaito Asato; Shûhei Yamamoto; Yui Takahashi; Satoshi Chiba (2019). "Cretaceous amber fossils highlight the evolutionary history and morphological conservatism of land snails". Scientific Reports. 9 (1): Article number 15886. Bibcode:2019NatSR...915886H. doi:10.1038/s41598-019-51840-3. PMC 6828811. PMID 31685840.

[Argentisioliella-106] Sergio Eduardo Miquel (2019). "A new genus and two new species of fossil continental gastropods from the early Pliocene of Argentina (Mollusca)". Ameghiniana. 56 (2): 187–194. doi:10.5710/AMGH.17.04.2019.3254. S2CID 199102483.

[Pseudophopsis-107] ^ ^a ^b ^c ^d ^e ^f Steffen Kiel; Frida Hybertsen; Matúš Hyžný; Adiël A. Klompmaker (2019). "Mollusks and a crustacean from early Oligocene methane-seep deposits in the Talara Basin, northern Peru". Acta Palaeontologica Polonica. 65 (1): 109–138. doi:10.4202/app.00631.2019.

[CR191Landauetal-108] Bernard Manuel Landau; Didier Merle; Luc Ceulemans; Frank Van Dingenen (2019). "The upper Miocene gastropods of northwestern France, 3. Muricidae". Cainozoic Research. 19 (1): 3–44.

[Ramusatomaria-109] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s János Szabó; Maria Alessandra Conti; Stefano Monari; Jobst Wendt (2019). "Gastropods from the Jurassic neptunian sills of Rocca Busambra (north‐western Sicily, Italy): Patellogastropoda, Pleurotomarioidea, Scissurelloidea, Fissurelloidea and Eucycloidea". Papers in Palaeontology. 7 (1): 27–110. doi:10.1002/spp2.1258. hdl:11577/3313487. S2CID 202909390.

[Cossmanniana21Caenogastropoda-110] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s Jean-Michel Pacaud (2019). "Remarques taxonomiques et nomenclaturales sur les mollusques gastéropodes du Paléogène de France et description d'espèces nouvelles. Partie 2. Caenogastropoda (partim)". Cossmanniana. 21: 101–153.

[111] A. V. Mazaev (2019). "A new species of the genus Bellazona (Gastropoda) from the Early Permian reef limestones of Shakhtau". Paleontological Journal. 53 (3): 252–256. doi:10.1134/S0031030119070062. S2CID 195319330.

[BSGM711-112] Francisco J. Vega; Edna Naranjo-García; Martha Carolina Aguillón; Daniel Posada-Martínez (2019). "Additions to continental gastropods from the Upper Cretaceous and Paleocene of NE Mexico". Boletín de la Sociedad Geológica Mexicana. 71 (1): 169–191. doi:10.18268/BSGM2019v71n1a9.

[Falsobuvigna-113] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o J. Gründel; H. Keupp; F. Lang (2019). "Arten der Unterklasse Caenogastropoda aus der Korallenfazies des oberen Kimmeridgiums (Ober-Jura) von Saal bei Kelheim und dem Gebiet Nattheim (Süddeutschland)" (PDF). Zitteliana. 93: 97–142.

[114] John S. Peel (2019). "Bobellis oliveri gen. et sp. nov. from the Silurian of North Greenland (Laurentia) and the systematic position of pycnomphaline gastropods". Bulletin of Geosciences. 94 (2): 125–136. doi:10.3140/bull.geosci.1743.

[FK1492-115] Zoltán Vicián; Zoltán Kovács; Gerhard Stein (2019). "Addition to the Egerian (late Oligocene – early Miocene) gastropod fauna of Esztergom (Hungary)". Földtani Közlöny. 149 (2): 149–162. doi:10.23928/foldt.kozl.2019.149.2.149.

[116] M. G. Harasewych (2019). "Cerion uva gouldi, a new fossil subspecies from Aruba (Gastropoda, Pulmonata, Cerionidae)". Proceedings of the Biological Society of Washington. 132 (1): 35–39. doi:10.2988/18-00013. S2CID 146511301.

[Jumaramaria-117] ^ ^a ^b ^c ^d ^e ^f János Szabó; Anand Kumar Jaitly (2019). "Additional Middle Jurassic gastropods from Kachchh (western India) in the collections of the Banaras Hindu University (Varanasi, India)". Fragmenta Palaeontologica Hungarica. 36: 3–30. doi:10.17111/FragmPalHung.2019.36.3. S2CID 238496937.

[118] A.A. Berezovsky; J.-M. Pacaud (2019). "New species of the genus Chelotia (Pleurotomariidae, Gastropoda) from the Middle Eocene of Ukraine". Paleontological Journal. 53 (6): 593–597. doi:10.1134/S0031030119060029. S2CID 210926365.

[119] Arie W. Janssen; Brent Wilson (2019). "A collection of juvenile holoplanktic Mollusca (Gastropoda, Pterotracheoidea and Pteropoda) from the Miocene of Trinidad, with the introduction of the new genus Chriskingia". Cainozoic Research. 19 (1): 79–94.

[120] Marco T. Neiber; Matthias Glaubrecht (2019). "Annotated nomenclator of extant and fossil taxa of the Paludomidae (Caenogastropoda, Cerithioidea)". ZooKeys (850): 1–132. doi:10.3897/zookeys.850.34238. PMC 6548767. PMID 31182905.

[CR191Vrinat-121] Xavier Vrinat (2019). "The smooth-shelled Neritidae Rafinesque, 1815 (Mollusca, Gastropoda) from the Ypresian of the Paris Basin, with the introduction of three new species". Cainozoic Research. 19 (1): 45–78.

[Zootaxa47002-122] ^ ^a ^b ^c ^d ^e ^f ^g ^h Luca Pedriali; Maurizio Sosso; Bruno Dell'Angelo (2019). "Naticid gastropods from the middle Miocene of western Ukraine". Zootaxa. 4700 (2): 151–195. doi:10.11646/zootaxa.4700.2.1. PMID 32229980. S2CID 213122795.

[Dragonia-123] A. V. Guzhov (2019). "New data on Jurassic Cerithiopsidae (Gastropoda) from European Russia". Paleontological Journal. 53 (11): 1147–1161. doi:10.1134/S0031030119110030. S2CID 212641980.

[PPFosteretaal-124] William J. Foster; Daniel J. Lehrmann; Jaime A. Hirtz; Mackenzie White; Meiyi Yu; Ji Li; Rowan C. Martindale (2019). "Early Triassic benthic invertebrates from the Great Bank of Guizhou, South China: systematic palaeontology and palaeobiology". Papers in Palaeontology. 5 (4): 613–656. doi:10.1002/spp2.1252. S2CID 134452848.

[Vermeijia-125] Kazutaka Amano (2019). "Two new gastropods from the late Pliocene Omma-Manganji fauna in the Japan Sea borderland of Honshu, Japan". Paleontological Research. 23 (2): 85–94. doi:10.2517/2018PR011. S2CID 195581941.

[126] Geerat Vermeij; Jean-Michel Pacaud (2019). "A new Eocene genus of Columbariidae (Gastropoda: Turbinelloidea) with a labral tooth". Cainozoic Research. 19 (2): 117–120.

[CR192Landauetal-127] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s Bernard Manuel Landau; Luc Ceulemans; Frank Van Dingenen (2019). "The upper Miocene gastropods of northwestern France, 4. Neogastropoda". Cainozoic Research. 19 (2): 135–215.

[128] Jean-Michel Pacaud (2020). "Fusulculus hanseni nom. nov., un nouveau nom de remplacement pour Epalxis ? rosenkrantzi Hansen, 2019 non Fusulculus rosenkrantzi (Traub, 1979)". Folia Conchyliologica. 54: 7–11.

[PalaeoworldYuetal-129] Ting-Ting Yu; Bo Wang; Ed Jarzembowski (2019). "First record of marine gastropods (wentletraps) from mid-Cretaceous Burmese amber". Palaeoworld. 28 (4): 508–513. doi:10.1016/j.palwor.2018.12.004. S2CID 135265902.

[PalaeoworldNeubaueretal-130] Thomas A. Neubauer; Barna Páll-Gergely; Adrienne Jochum; Mathias Harzhauser (2019). "Striking case of convergence — alleged marine gastropods in Cretaceous Burmese amber are terrestrial cyclophoroids. Comment on Yu et al". Palaeoworld. 28 (4): 572–575. doi:10.1016/j.palwor.2019.05.015. S2CID 197578859.

[JPNaticidae-131] Shiladri S. Das; Subhronil Mondal; Sandip Saha; Subhendu Bardhan; Ranita Saha (2019). "Family Naticidae (Gastropoda) from the Upper Jurassic of Kutch, India and a critical reappraisal of taxonomy and time of origination of the family". Journal of Paleontology. 93 (4): 673–684. doi:10.1017/jpa.2019.3. S2CID 134736704.

[PaleoBios36Fissurellidae-132] Charles L. Powell, II; Daniel L. Geiger (2019). "Two new Miocene limpets (Fissurellidae) from southern California, with notes on other fossil occurrences of the family in northwestern North America". PaleoBios. 36: ucmp_paleobios_46304.

[133] Fiorenzo Zamberlan; Andrea Checchi (2019). "Una nuova specie di Garviea Dolin & Dockery, 2018, (Mollusca, Cypraeoidea) dell'Eocene di "Cava Rossi" di Monte diMalo (Vicenza, NE Italia)". Studi e Ricerche - Associazione Amici del Museo - Museo Civico "G. Zannato" Montecchio Maggiore (Vicenza). 26: 23–31.

[134] A. V. Mazaev (2021). "Revision of the gastropod family Gosseletinidae Wenz: genera Gosseletina Fischer, 1885, Globodoma Mazaev, 2006, and Nemaspira gen. nov". Paleontological Journal. 55 (6): 600–607. doi:10.1134/S0031030121060071.

[FGH36-135] Zoltán Kovács; Zoltán Vicián (2019). "Muricidae (Neogastropoda) from the Middle Eocene of the Hungarian Paleogene Basin". Fragmenta Palaeontologica Hungarica. 36: 31–51. doi:10.17111/FragmPalHung.2019.36.31.

[136] Thomas A. Neubauer; Lida Xing; Adrienne Jochum (2019). "Land snail with periostracal hairs preserved in Burmese amber". iScience. 20: 567–574. Bibcode:2019iSci...20..567N. doi:10.1016/j.isci.2019.09.034. PMC 6834951. PMID 31611056.

[Geodiversitas411-137] Daniela Esu; Odoardo Girotti (2019). "Two new oligohaline Hydrobia (s.l.) (Caenogastropoda) from the transitional Upper Oligocene Galatone Fm (Apulia, Southern Italy)". Geodiversitas. 41 (1): 1–9. doi:10.5252/geodiversitas2019v41a1. S2CID 134152172.

[138] Kalyan Halder; Shrestha Das (2019). "New subfamily Indovolutinae and other volutids (Volutidae, Gastropoda) from the Eocene of Kutch, western India and their paleobiogeographic implications". Journal of Paleontology. 93 (5): 899–915. doi:10.1017/jpa.2019.34. S2CID 197558461.

[139] Igor Balashov (2020). "An inventory of molluscs recorded from mid-Cretaceous Burmese amber, with the description of a land snail, Euthema annae sp. nov. (Caenogastropoda, Cyclophoroidea, Diplommatinidae)". Cretaceous Research. 118: Article 104676. doi:10.1016/j.cretres.2020.104676. S2CID 225122436.

[140] Kazutaka Amano (2019). "Two warm-water species of Trochoidea (Gastropoda) from Pliocene deposits on the Japan Sea side of Honshu, Japan, with remarks on the influence of the onset of Northern Hemisphere glaciation". The Nautilus. 133 (2): 57–66.

[XTMuricidae-141] Didier Merle; Jean-Michel Pacaud (2019). "Five new muricid species (Mollusca, Gastropoda) from the Eocene of France, Senegal and Pakistan". Xenophora Taxonomy. 25: 11–22.

[142] A. V. Mazaev (2019). "A new genus Perakella gen. nov. (Gastropoda) from the Lower Permian reef limestone of Shakh-Tau". Paleontological Journal. 53 (4): 341–345. doi:10.1134/S0031030119040087. S2CID 201723652.

[143] Jan Ove R. Ebbestad; Juan Carlos Gutiérrez-Marco (2019). "Phragmolites (Gastropoda) from the Late Ordovician of the Peruvian Altiplano". Journal of Paleontology. 94 (2): 255–265. doi:10.1017/jpa.2019.79. S2CID 210629026.

[144] D. Fehse; F. Lorenz; A. Hawke; K. Kovacs (2019). "A peculiar Cypraeidae (Mollusca: Gastropoda) from the Eocene of Australia". Conchylia. 50 (1–4): 143–146.

[AmeghinianaCataldoetal-145] Cecilia S. Cataldo; Dario G. Lazo; Leticia Luci; Beatriz Aguirre-Urreta (2019). "New Barremian macroinvertebrates from the Huitrín Formation, Mendoza Province (Argentina) and their paleoecological implications". Ameghiniana. 56 (6): 441–470. doi:10.5710/AMGH.04.09.2019.3244. S2CID 203080877.

[Mizunami45Semisulcospira-146] Keiji Matsuoka; Osamu Miura (2019). "Four new species of the genus Semisulcospira (Mollusca: Caenogastropoda: Semisulcospiridae) from the Plio–Pleistocene Kobiwako Group, Mie and Shiga Prefectures,central Japan" (PDF). Bulletin of the Mizunami Fossil Museum. 45: 87–94.

[147] A. V. Mazaev (2019). "Morphology and systematics of the late Paleozoic gastropods Deseretospira Gordon and Yochelson and Termihabena gen. nov". Paleontological Journal. 53 (5): 455–464. doi:10.1134/S0031030119050083. S2CID 203853097.

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[149] Luoyang Li; Xingliang Zhang; Christian B. Skovsted; Hao Yun; Guoxiang Li; Bing Pan (2019). "Shell microstructures of the helcionelloid mollusc Anabarella australis from the lower Cambrian (Series 2) Xinji Formation of North China". Journal of Systematic Palaeontology. 17 (20): 1699–1709. doi:10.1080/14772019.2018.1546236. S2CID 91387101.

[150] Shannon Hsieh; Andrew M. Bush; J Bret Bennington (2019). "Were bivalves ecologically dominant over brachiopods in the late Paleozoic? A test using exceptionally preserved fossil assemblages". Paleobiology. 45 (2): 265–279. doi:10.1017/pab.2019.3. S2CID 92276882.

[151] Ting Song; Jinnan Tong; Li Tian; Daoliang Chu; Yunfei Huang (2019). "Taxonomic and ecological variations of Permian-Triassic transitional bivalve communities from the littoral clastic facies in southwestern China". Palaeogeography, Palaeoclimatology, Palaeoecology. 519: 108–123. Bibcode:2019PPP...519..108S. doi:10.1016/j.palaeo.2018.02.027. S2CID 134649495.

[152] Jed W. Atkinson; Paul B. Wignall (2019). "Body size trends and recovery amongst bivalves following the end-Triassic mass extinction". Palaeogeography, Palaeoclimatology, Palaeoecology. 538: Article 109453. doi:10.1016/j.palaeo.2019.109453. S2CID 210253470. Archived from the original on 24 Jan 2020.

[153] Jed W. Atkinson; Paul B. Wignall; Jacob D. Morton; Tracy Aze (2019). "Body size changes in bivalves of the family Limidae in the aftermath of the end‐Triassic mass extinction: the Brobdingnag effect" (PDF). Palaeontology. 62 (4): 561–582. doi:10.1111/pala.12415. S2CID 134070316.

[154] Veronica Piazza; Luís V. Duarte; Johan Renaudie; Martin Aberhan (2019). "Reductions in body size of benthic macroinvertebrates as a precursor of the early Toarcian (Early Jurassic) extinction event in the Lusitanian Basin, Portugal". Paleobiology. 45 (2): 296–316. doi:10.1017/pab.2019.11. S2CID 132593370.

[155] Silvia Danise; Marie-Emilie Clémence; Gregory D. Price; Daniel P. Murphy; Juan J. Gómez; Richard J. Twitchett (2019). "Stratigraphic and environmental control on marine benthic community change through the early Toarcian extinction event (Iberian Range, Spain)". Palaeogeography, Palaeoclimatology, Palaeoecology. 524: 183–200. Bibcode:2019PPP...524..183D. doi:10.1016/j.palaeo.2019.03.039. hdl:10026.1/13668. S2CID 134835736.

[156] Sonia Ros Franch; Javier Echevarría; Susana E. Damborenea; Miguel O. Manceñido; Hugh C. Jenkyns; Aisha Al-Suwaidi; Stephen P. Hesselbo; Alberto C. Riccardi (2019). "Population response during an Oceanic Anoxic Event: The case of Posidonotis (Bivalvia) from the Lower Jurassic of the Neuquén Basin, Argentina". Palaeogeography, Palaeoclimatology, Palaeoecology. 525: 57–67. Bibcode:2019PPP...525...57R. doi:10.1016/j.palaeo.2019.04.009. hdl:11336/128130. S2CID 146525666.

[157] Jingeng Sha (2019). "Opening time of the Hispanic Corridor and migration patterns of pan-tropical cosmopolitan Jurassic pectinid and ostreid bivalves". Palaeogeography, Palaeoclimatology, Palaeoecology. 515: 34–46. Bibcode:2019PPP...515...34S. doi:10.1016/j.palaeo.2018.09.018. S2CID 134214311.

[158] Robin I. Knight; Noel J. Morris (2019). "Well‐developed muscle attachments in British Albian inoceramids (Inoceramidae, Bivalvia): implications for inoceramid palaeobiology, evolution and taxonomy". Papers in Palaeontology. 5 (3): 461–481. doi:10.1002/spp2.1246. S2CID 135143450.

[159] Eric O. Walliser; Kazushige Tanabe; Yoshinori Hikida; Kotaro Shirai; Bernd R. Schöne (2019). "Sclerochronological study of the gigantic inoceramids Sphenoceramus schmidti and S. sachalinensis from Hokkaido, northern Japan". Lethaia. 52 (3): 410–428. doi:10.1111/let.12321. S2CID 134814277.

[160] Andrew L.A. Johnson; Annemarie M. Valentine; Melanie J. Leng; Bernd R. Schöne; Hilary J. Sloane (2019). "Life history, environment and extinction of the scallop Carolinapecten eboreus (Conrad) in the Plio-Pleistocene of the U.S. eastern seaboard" (PDF). PALAIOS. 34 (2): 49–70. Bibcode:2019Palai..34...49J. doi:10.2110/palo.2018.056. hdl:10545/623506. S2CID 134741218.

[161] Jesper Hansen; Mohamed M. Ezat; Emmelie K. L. Åström; Tine L. Rasmussen (2019). "New late Pleistocene species of Acharax from Arctic methane seeps off Svalbard". Journal of Systematic Palaeontology. 18 (2): 197–212. doi:10.1080/14772019.2019.1594420. hdl:10037/15850. S2CID 155311506.

[Praedicerocardium-162] ^ ^a ^b ^c ^d ^e ^f ^g Evelyn Friesenbichler; Michael Hautmann; Eugen Grădinaru; Hugo Bucher (2019). "A highly diverse bivalve fauna from a Bithynian (Anisian, Middle Triassic) Tubiphytes‐microbial buildup in North Dobrogea (Romania)" (PDF). Papers in Palaeontology. 7 (1): 447–495. doi:10.1002/spp2.1286. S2CID 208555999.

[163] Frank Stiller; Jin-hua Chen (2019). "On the invasion of the ancestors of the Trigonioidoidea (Bivalvia) into the non-marine realm—evidence from eastern Tibet, China". Acta Palaeontologica Sinica. 58 (1): 92–113.

[Bengtsonella-164] Michael R. Cooper; Héctor A. Leanza (2019). "On the Middle Jurassic – Early Cretaceous Megatrigoniinae (Bivalvia, Trigoniida): their biogeography, evolution and classification". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (1): 19–40. doi:10.1127/njgpa/2019/0787. S2CID 134666790.

[165] Filippo Ceccolini; Fabio Cianferoni (2021). "Five replacement names for fossil bivalve genera (Mollusca: Bivalvia)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 302 (2): 231–234. doi:10.1127/njgpa/2021/1025.

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[167] Damián Eduardo Pérez (2019). "The earliest fossil record of the poorly known family Condylocardiidae from Argentina". Andean Geology. 46 (2): 433–443. doi:10.5027/andgeoV46n2-3130.

[Ckaraosippur-168] María B. Santelli; Claudia J. del Río (2019). "New Neogene taxa of the tribe Chlamydini Teppner, 1922 (Pectinidae, Bivalvia) of southern South America". Journal of Paleontology. 93 (6): 1088–1104. doi:10.1017/jpa.2019.50. S2CID 198422648.

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[Eosphaera-172] Franz T. Fürsich; Michael Heinze; Waghi S. Ayoub-Hannaa (2019). "Middle to Upper Jurassic bivalves of the south-western Morondava Basin (Madagascar)" (PDF). Zitteliana. 93: 143–203.

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[PalZGeyeretal-175] Gerd Geyer; Martin Valent; Stefan Meier (2019). "Helcionelloids, stenothecoids and hyoliths from the Tannenknock Formation (traditional lower middle Stage 4/Wuliuan boundary interval) of the Franconian Forest, Germany". PalZ. 93 (2): 207–253. doi:10.1007/s12542-018-0433-5. S2CID 134937994.

[176] Jean-Pierre Masse; Mukerrem Fenerci-Masse (2019). "Homopleura new genus (Hippuritida, Monopleuridae) and the origin of the Polyconitidae". Cretaceous Research. 97: 107–124. doi:10.1016/j.cretres.2018.12.014. S2CID 134099608.

[177] Bruno Dell’Angelo; Maurizio Sosso; Antonio Bonfitto (2019). "A new species of Ischnochiton (Mollusca: Polyplacophora) from the Pleistocene of Southern Italy". Bollettino Malacologico. 55 (1): 45–49.

[Cossmanniana21Heterodonta-178] Jean-François Lesport; Pierre Lozouet; Jean-Michel Pacaud; Philippe Rocher; Philippe Renard; Raymond Favia (2019). "Les Bivalvia de l'Aquitanien (Miocène inférieur) de Saucats "Lariey" (Gironde, Sud-Ouest France). 2. - Heterodonta (Première partie)". Cossmanniana. 21: 3–99.

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[188] Efterpi Koskeridou; Rafael La Perna; Christina Giamali (2019). "Tindaria kretensis n. sp., a new deep water protobranch (Bivalvia) from the Early Pliocene of Crete (Southern Greece)". Annales de Paléontologie. 105 (1): 39–44. doi:10.1016/j.annpal.2018.11.001.

[CRVaccinites-189] Jose Maria Pons; Enric Vicens; Heleni Munujos; Carme Boix (2019). "Revision of Vaccinites loftusi (Woodward, 1855) (Bivalvia: Hippuritida) and proposal of three new Vaccinites species from the Campanian—Maastrichtian of Eurasia". Cretaceous Research. 102: 89–111. doi:10.1016/j.cretres.2019.05.012. S2CID 198410401.

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[APPHryniewiczetal-191] Krzysztof Hryniewicz; Kazutaka Amano; Maria Aleksandra Bitner; Jonas Hagström; Steffen Kiel; Adiël A. Klompmaker; Thomas Mörs; Cristina M. Robins; Andrzej Kaim (2019). "A late Paleocene fauna from shallow-water chemosynthesis-based ecosystems, Spitsbergen, Svalbard". Acta Palaeontologica Polonica. 64 (1): 101–141. doi:10.4202/app.00554.2018.

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