List of the Mesozoic life of Wyoming

From Wikipedia, the free encyclopedia

This list of the Mesozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 252.17 and 66 million years of age.

A[]

  • †
    • †
  • Illustration of a living Acipenser sturgeon
    Acipenser
    • †
  • †
    • †
  • †Adocus
  • †Agathaumas – type locality for genus
    • †Agathaumas sylvestris – type locality for species
  • †Agerostrea
    • †
  • † – type locality for genus
    • † – type locality for species
  • Restoration of the Cretaceous-Pleistocene amphibian Albanerpeton
    †Albanerpeton
    • †Albanerpeton galaktion
    • †Albanerpeton nexuosus – type locality for species
  • †Albertosaurus – or unidentified comparable form
  • † – type locality for genus
    • † – type locality for species
  • †
    • † – type locality for species
    • †
  • †
    • † – type locality for species
    • † – type locality for species
  • †Allognathosuchus
  • Life restoration of the Late Jurassic theropod dinosaur Allosaurus
    †Allosaurus – type locality for genus
    • †Allosaurus fragilis – type locality for species
    • †Allosaurus jimmadseni
  • †
    • † – type locality for species
  • †Alphadon
    • †Alphadon attaragos – type locality for species
    • †Alphadon halleyi
    • †Alphadon marshi
    • †Alphadon sahnii
  • †Altacreodus
    • †Altacreodus magnus
  • †
    • † – type locality for species
  • †Amblotherium – type locality for genus
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • A living Amia, or bowfin
    Amia
    • †
    • †
  • †Amphicoelias
    • †Amphicoelias brontodiplodocus – type locality for species
  • †Amphidon – type locality for genus
    • †Amphidon superstes – type locality for species
  • †Anaklinoceras
    • †
  • †Anaschisma – type locality for genus
    • † – type locality for species
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • † – tentative report
  • †Ancorichnus
  • †Andromeda
    • †
  • †Anemia
    • †
    • †
  • Restoration of the Late Triassic phytosaur Angistorhinus
    †Angistorhinus – type locality for genus
    • †Angistorhinus aeolamnis – type locality for species
    • †Angistorhinus gracilis – type locality for species
    • †Angistorhinus grandis – type locality for species
    • †Angistorhinus maximus – type locality for species
  • †Anisoceras
  • †
    • †
    • †
    • †
    • † – or unidentified related form
    • †
  • †Ankistrorhynchus
    • † – type locality for species
  • Image of restored specimen of a squat quadruped with knobby back
    Life restoration of the Late Cretaceous armored dinosaur Ankylosaurus
    †Ankylosaurus
    • †Ankylosaurus magniventris
  • † – tentative report
  • Anomia
    • †
  • Anona
    • † – tentative report
  • †
    • †
  • Antrimpos
  • †
    • †
  • †Apatosaurinae
    • † – informal
  • Life restoration of the Late Jurassic sauropod dinosaur Apatosaurus
    †Apatosaurus
    • †Apatosaurus louisae
    • †Apatosaurus minimus
  • † – tentative report
    • †
  • †Aploconodon – type locality for genus
    • †Aploconodon comoensis – type locality for species
  • Aporrhais
    • †
  • †Aquilina – type locality for genus
    • † – type locality for species
  • Aralia
    • †
  • †
    • †
  • Foliage and cones of a living Araucaria tree
    Araucaria
  • †Araucarites
    • † – type locality for species
    • †
    • † – type locality for species
  • Arca – report made of unidentified related form or using admittedly obsolete nomenclature
  • †
    • †
  • †Archaeotriakis
    • † – type locality for species
    • †
  • †Archaeotrigon – type locality for genus
    • † – type locality for species
  • Fossilized shells of the Middle Jurassic ammonoid cephalopod Arcticoceras
    †Arcticoceras
  • †Arenicolites
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Aspideretes
  • †
    • † – or unidentified comparable form
  • †
    • †
  • A living Asplenium, or spleenwort
    †Asplenium
    • †
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  • †Astarta
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  • Astarte
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  • †
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  • † Atira – tentative report
    • †
  • †Atokatheridium – or unidentified comparable form
  • Illustration of fossilized teeth from the Late Cretaceous tyrannosaur Aublysodon
    †Aublysodon
    • †Aublysodon mirandus
  • †
    • †
    • †
    • †
  • † – type locality for genus
    • † – type locality for species

B[]

  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    †Baculites
    • †Baculites asper
    • †Baculites asperiformis
    • †Baculites baculus
    • †Baculites clinolobatus
    • †Baculites cobbani
    • †Baculites codyensis
    • †Baculites crickmayi
    • †Baculites elaisi
    • †Baculites eliasi
    • †Baculites gilberti
    • †Baculites grandis
    • †Baculites gregoryensis
    • †Baculites haresi
    • †Baculites jenseni – or unidentified comparable form
    • †Baculites mariasensis
    • †Baculites mclearni
    • †Baculites obtusus
    • †Baculites perplexus
    • †Baculites reesidei
    • †Baculites rugosus
    • †Baculites scotti
  • †Baena
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †
    • †
    • †
  • †Baptanodon
    • †
    • † – type locality for species
    • † – type locality for species
  • Barbatia – tentative report
  • Restoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus
    †Barosaurus
    • †Barosaurus lentus
  • †Basilemys
    • †
  • †
    • † – type locality for species
  • †Belonostomus
    • †Belonostomus longirostris
  • Bombur
  • †Borealosuchus
    • †Borealosuchus sternbergii – type locality for species
  • †
  • †
    • †
  • Botula
    • †Botula ripleyana
  • A living Brachaelurus, or blind shark
    Brachaelurus
    • † – type locality for species
  • †Brachiosaurus
  • †Brachybrachium – type locality for genus
    • †Brachybrachium brevipes – type locality for species
  • †Brachychampsa
    • †Brachychampsa montana
  • †Brachyphyllum
    • †
  • †Brontopodus – or unidentified comparable form
    • †
  • Life restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus
    †Brontosaurus – type locality for genus
    • †Brontosaurus excelsus – type locality for species
    • †Brontosaurus parvus – type locality for species
    • †Brontosaurus yahnahpin – type locality for species
  • †Bryceomys
  • †
    • † – or unidentified related form

C[]

  • †Cadoceras
  • Callista
    • †
    • †
  • †Calycoceras
    • †
  • Life restoration of a herd of the Late Jurassic sauropod dinosaur Camarasaurus
    †Camarasaurus – type locality for genus
    • †Camarasaurus grandis – type locality for species
    • †Camarasaurus lentus – type locality for species
  • †
  • Campeloma
  • †
    • † – type locality for species
  • †
    • †
    • † – or unidentified comparable form
    • †
    • †
  • Life restoration of the Late Jurassic ornithopod dinosaur Camptosaurus
    †Camptosaurus
    • †Camptosaurus dispar – type locality for species
  • † Canna
    • † – tentative report
  • †
    • † – type locality for species
  • sp.
  • †
    • †
    • †
    • †
  • †
    • † – type locality for species
    • †
    • † – type locality for species
    • † – type locality for species
    • †
  • †
    • † – type locality for species
  • †
    • †
  • †Cedrobaena
    • †
  • †
    • †
  • Foliage and fruit of a living Celastrus, or staff vine
    †Celastrus – tentative report
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • † – type locality for species
  • †
    • †
  • †Ceramornis – type locality for genus
    • †Ceramornis major – type locality for species
  • †Ceratodus
    • †
    • †Ceratodus guentheri
  • Restoration of the Late Jurassic ceratosaur Ceratosaurus
    †Ceratosaurus
  • Cercidiphyllum
    • †
    • †
  • †
    • †
  • †
  • Cerithium – tentative report
  • †Chamops – type locality for genus
    • † – type locality for species
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
    • †
  • †Chelonipus – or unidentified comparable form
  • Chiloscyllium
    • †
  • †Chirotherium
    • †Chirotherium barthii
  • Chlamys
    • †
  • †Chondroceras
  • †Cimexomys
    • †Cimexomys minor
  • †Cimolestes
    • †Cimolestes incisus – type locality for species
    • †Cimolestes stirtoni – type locality for species
  • †Cimolodon
    • †Cimolodon nitidus – type locality for species
    • † – type locality for species
  • Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys
    †Cimolomys
    • †Cimolomys clarki
    • †Cimolomys gracilis – type locality for species
    • †Cimolomys parvus – type locality for species
  • †Cimolopteryx
    • †Cimolopteryx maxima – type locality for species
    • †Cimolopteryx rara
  • Cinnamomum
    • †
  • †
    • †
  • Cissus
    • † – tentative report
  • †Cladoceramus
    • † – or unidentified related form
  • Fossilized foliage of the Permian-Late Cretaceous fern Cladophlebis
    Cladophlebis
    • †Cladophlebis parva
    • †Cladophlebis readi – type locality for species
    • †
    • †Cladophlebis wyomingensis – type locality for species
  • †Claraia
    • †Claraia clarai
    • †Claraia mulleri
    • †Claraia stachei
  • †Clemensodon – type locality for genus
    • †Clemensodon megaloba – type locality for species
  • †Clioscaphites
    • †
    • †
  • †
    • †
  • †
  • †Coelosuchus – type locality for genus
    • † – type locality for species
  • Diagram illustrating the known fossil material of the Late Jurassic theropod dinosaur Coelurus
    †Coelurus – type locality for genus
    • †Coelurus fragilis – type locality for species
  • †Collignoniceras
    • †Collignoniceras woollgari
  • † – type locality for genus
    • † – type locality for species
  • †Comobatrachus – type locality for genus
    • † – type locality for species
  • †Comodactylus – type locality for genus
    • †Comodactylus ostromi – type locality for species
  • †Comodon – type locality for genus
    • †Comodon gidleyi – type locality for species
  • †Comonecturoides – type locality for genus
    • † – type locality for species
  • †Comotherium – type locality for genus
    • † – type locality for species
  • †Compsemys
    • †Compsemys victa
  • †
    • † – type locality for species
  • Illustration of fossilized vertebrae of the Late Cretaceous-Eocene snake Coniophis. Othniel Charles Marsh (1892).
    †Coniophis – type locality for genus
    • † – type locality for species
  • †Coniopteris – tentative report
  • † – or unidentified comparable form
  • †Corax
  • † – tentative report
  • Corbula
    • †
    • †
    • †
  • †Coriops
    • †Coriops amnicolus
  • †
    • †
  • Life restoration of the Early Triassic plesiosaur relative Corosaurus
    †Corosaurus
    • †Corosaurus alcovensis
  • Crassatella
    • †
  • †
    • † – type locality for species
    • †
  • Crenella
  • †Cretorectolobus
    • †Cretorectolobus olsoni
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †Ctenacodon – type locality for genus
    • †Ctenacodon laticeps – type locality for species
    • †Ctenacodon scindens – type locality for species
    • †Ctenacodon serratus – type locality for species
  • †Cteniogenys – type locality for genus
    • † – type locality for species
  • †
    • † – or unidentified comparable form
  • Shell of a Cucullaea, or false ark shell
    Cucullaea
    • †
    • †
  • †Cunningtoniceras
  • Cuspidaria
    • †
  • †
    • †
  • †
    • †
  • †
  • †
    • † – or unidentified comparable form
    • †
    • †
  • †
  • †
    • †

D[]

  • †Dakotasaurus – type locality for genus
    • † – type locality for species
  • †Daspletosaurus
  • Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus
    †Deinonychus
  • †
    • † – type locality for species
  • †Deltatheroides – or unidentified comparable form
  • †Dennstaedtia
    • †
  • Dentalium
    • †
    • †Dentalium pauperculum
  • †Derrisemys
    • †
  • Restoration of the Late Triassic aetosaur Desmatosuchus with an anachronistic human to scale
    †Desmatosuchus
  • †
    • †
  • †
    • †
  • †
    • † – type locality for species
  • †
    • †
  • †Dicotyledon
  • Life restoration of the Late Cretaceous marsupial relative Didelphodon
    †Didelphodon
    • † – type locality for species
  • †Didymoceras
  • †
    • †
  • †Dinochelys
    • †
  • †Diospyros
    • †
  • †
  • †Diplocraterion
  • †Diplodocinae
    • † – informal
  • Life restoration of the Late Jurassic long-necked dinosaur Diplodocus
    †Diplodocus
    • †Diplodocus carnegii – type locality for species
    • †Diplodocus hallorum
    • †Diplodocus longus
  • †Discoscaphites
  • †Docodon – type locality for genus
    • †Docodon affinis – type locality for species
    • †Docodon crassus – type locality for species
    • †Docodon striatus – type locality for species
    • †Docodon superus – type locality for species
    • †Docodon victor – type locality for species
  • †Dolichobrachium – type locality for genus
    • † – type locality for species
  • Mounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops
    †Dolichorhynchops
    • †Dolichorhynchops bonneri – type locality for species
    • †Dolichorhynchops osborni
  • †
    • †
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    • †
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  • †Doratodon – tentative report
  • †Dorsetisaurus
  • †
    • †
  • †
    • †
    • †
    • †
    • † – or unidentified comparable form
  • †Drinker – type locality for genus
    • †Drinker nisti – type locality for species
  • Life restoration of the Late Cretaceous "raptor" Dromaeosaurus
    †Dromaeosaurus
  • †
    • †
  • †Dryolestes – type locality for genus
    • †Dryolestes priscus – type locality for species
    • †
  • † – type locality for genus
    • †
    • † – type locality for species
    • †
  • Dryopteris
    • †
  • †Dryosaurus
    • †Dryosaurus altus – type locality for species
  • †Dryptosaurus – or unidentified comparable form
  • †
    • †
    • †
  • †Dyslocosaurus – type locality for genus
    • †Dyslocosaurus polyonychius – type locality for species

E[]

  • †Echidnocephalus – tentative report
  • †Edmontonia
    • †Edmontonia rugosidens – or unidentified comparable form
  • †Edmontosaurus
    • Life restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
      †Edmontosaurus annectens – type locality for species
  • †
  • †Elaphrosaurus – tentative report
  • †Elasmosaurus
  • †
  • †
    • †
  • †Emarginachelys
  • †Empo
  • †Enneabatrachus – type locality for genus
    • †Enneabatrachus hechti – type locality for species
    • † – tentative report
  • †Entalophora
    • † – type locality for species
  • †Eobatrachus – type locality for genus
    • † – type locality for species
  • †Eocephalites
    • †
  • † – type locality for genus
    • †
  • Fossilized skeleton of the Eocene-Pliocene frog Eopelobates
    †Eopelobates
  • †Equisetites
  • †Equisetum
    • † – informal
    • † – informal
    • †
  • †Essonodon
    • †Essonodon browni
  • † – type locality for genus
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras
    †Eubostrychoceras
    • † – type locality for species
  • †Eubrachiosaurus – type locality for genus
    • †Eubrachiosaurus browni – type locality for species
  • †Eucalycoceras
    • †
  • †Eucrossorhinus
    • †
  • †
    • †
  • †Euomphaloceras
    • †
  • †
    • †
  • †Euspira
    • †
  • †Euthlastus – type locality for genus
    • †Euthlastus cordiformis – type locality for species
  • Illustration in multiple views of a fossilized shell of the Late Jurassic-Miocene nautiloid cephalopod Eutrephoceras
    †Eutrephoceras
    • †
  • †Eutretauranosuchus
    • †Eutretauranosuchus delfsi
  • †Exiteloceras
    • †
  • †Exogyra
    • †Exogyra costata
  • † – type locality for genus
    • † – type locality for species

F[]

  • †
    • † – type locality for species
  • Shell of a Fasciolaria, or tulip sea snail
    Fasciolaria
    • † – tentative report
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • Ficus
    • †
    • †
    • †
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    • †
    • †
    • †
    • †
  • †
    • †
  • †Forresteria
    • †
  • Known material diagram of the Late Jurassic ceratosaur Fosterovenator
    †Fosterovenator – type locality for genus
    • † – type locality for species
  • †Foxraptor – type locality for genus
    • † – type locality for species
  • †Fraxinus
    • †
    • †

G[]

  • Fossilized skull of the Late Jurassic long-necked dinosaur Galeamopus
    †Galeamopus
    • †Galeamopus hayi
    • †Galeamopus pabsti – type locality for species
  • †Gargoyleosaurus
    • †Gargoyleosaurus parkpinorum
  • †Geinitzia
    • † – type locality for species
  • †
    • †
  • Gerrhonotus – or unidentified comparable form
  • †Gervillaria
    • †
  • †Gervillia
    • †
    • † – or unidentified comparable form
  • †Gilmoremys
    • †Gilmoremys lancensis – type locality for species
  • Ginglymostoma
    • †
  • Fossilized leaf of the Permian-modern tree Ginkgo
    Ginkgo
  • †
    • † – type locality for species
  • †
    • †
  • †Glyptops – type locality for genus
    • †
    • † – type locality for species
  • Glyptostrobus
    • †
  • Mounted fossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon
    †Gobiconodon
    • †Gobiconodon ostromi
  • †
    • †
  • †Goniopholis
  • †
    • †
  • †
    • †
  • †
    • † – or unidentified comparable form
    • Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea
      †
  • †
    • †
  • †Gryphaea
    • †
    • †
  • †Gypsonictops
    • † – type locality for species
    • †
  • †
    • †

H[]

  • †Habrosaurus – type locality for genus
    • †Habrosaurus dilatus – type locality for species
  • †
  • †
    • †
  • †Hamites
    • †
    • †
    • †
  • Life restoration of the Late Jurassic sauropod dinosaur Haplocanthosaurus
    †Haplocanthosaurus
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †Harpactognathus – type locality for genus
    • †Harpactognathus gentryii – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †
    • †
    • †
  • Known material diagram of the Middle-Late Triassic distant crocodilian relative Heptasuchus
    †Heptasuchus – type locality for genus
    • †Heptasuchus clarki – type locality for species
  • †
    • †
  • †Hesperornithoides – type locality for genus[1]
    • †Hesperornithoides miessleri – type locality for species[2]
  • †Hesperosaurus – type locality for genus
    • †Hesperosaurus mjosi – type locality for species
  • †Heteroceras
    • † – tentative report
  • †
    • †
  • †Hoploscaphites[3]
    • †Hoploscaphites birkelundae – type locality for species
    • †Hoploscaphites gilli
    • †[3]
    • †Hoploscaphites nodosus
    • †Hoploscaphites plenus
    • †Hoploscaphites quadrangularis
  • †
    • † – type locality for species
  • Life restoration of the Late Triassic rhynchosaur Hyperodapedon
    †Hybodus
    • †Hybodus montanensis
    • †Hybodus wyomingensis – type locality for species
  • †Hyperodapedon
    • †Hyperodapedon sanjuanensis – or unidentified comparable form
  • †
    • †
  • † – tentative report
    • †

I[]

  • Life restoration of the Late Cretaceous bony fish Ichthyodectes
    †Ichthyodectes
  • † – tentative report
  • † – tentative report
  • †
    • †
  • †
    • † – type locality for species
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    †Inoceramus
    • †Inoceramus agdjakendensis – or unidentified comparable form
    • †Inoceramus americanus – type locality for species
    • †Inoceramus anglicus
    • †Inoceramus balchii
    • †Inoceramus barabini
    • †Inoceramus crispii
    • †Inoceramus deformis
    • †Inoceramus dimidius
    • †Inoceramus erectus – or unidentified related form
    • †Inoceramus fibrosus
    • †Inoceramus fragilis – or unidentified related form
    • †Inoceramus gibbosus
    • †Inoceramus glacierensis
    • †Inoceramus grandis
    • †Inoceramus incurvus
    • †Inoceramus lundbreckensis
    • †Inoceramus perplexus
    • †Inoceramus prefragilis
    • †Inoceramus proximus – or unidentified related form
    • †Inoceramus sagensis
    • †Inoceramus subcircularis
    • †Inoceramus subcompressus
    • †Inoceramus sublaevis
    • †Inoceramus tenuirostratus
    • †Inoceramus tenuiumbonatus – or unidentified comparable form
    • †Inoceramus turgidus – or unidentified related form
    • †Inoceramus typicus
    • †Inoceramus umbonatus
    • †Inoceramus undabundus
  • †Ischyrhiza
    • Fossilized shell of the Permian-modern marine bivalve Isognomon
      †Ischyrhiza avonicola – type locality for species
    • †Ischyrhiza basinensis – type locality for species
    • †Ischyrhiza mira
    • †
    • †
  • †
    • †
  • Isognomon
    • † – or unidentified comparable form
  • Isurus – tentative report

J[]

Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
  • †Janumys
  • †Jeletzkytes
    • †Jeletzkytes dorfi – type locality for species
  • †
  • †
    • †

K[]

Diagram illustrating the size of the Late Jurassic long-necked dinosaur Kaatedocus with an anachronistic human to scale
  • †Kaatedocus – type locality for genus
    • †Kaatedocus siberi – type locality for species
  • †Koskinonodon – type locality for genus
    • † – type locality for species

L[]

  • †Lamarqueavis
    • † – type locality for species
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
    • † �� type locality for species
  • †Laolestes – type locality for genus
    • †Laolestes eminens – type locality for species
    • †Laolestes goodrichi – type locality for species
    • †Laolestes oweni – type locality for species
  • †Laopteryx – type locality for genus
    • † – type locality for species
  • †Laosaurus – type locality for genus
    • †Laosaurus celer – type locality for species
  • †
    • †
    • †
    • †
    • †
  • Laurus
    • † – type locality for species
  • †Lepidotes – or unidentified related form
  • Lepisosteus
    • †
  • †Leptalestes
    • †Leptalestes cooki – type locality for species
    • †Leptalestes krejcii
  • Life restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops
    †Leptoceratops
    • †Leptoceratops gracilis
  • †
    • † – type locality for species
    • †
  • †
    • †
  • †
    • † – type locality for species
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †
    • †
  • Lima
    • †
  • Lingula
    • † – or unidentified comparable form
  • †
    • †
  • † – or unidentified comparable form
  • †Liostrea
    • †
  • Liquidambar
    • † – type locality for species
  • †Lisserpeton
    • †Lisserpeton bairdi
  • Electron micrograph of fossilized teeth from the Early Jurassic-Early Cretaceous freshwater shark Lissodus
    †Lissodus
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Lonchidion – type locality for genus
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Lonchodytes – type locality for genus
    • †Lonchodytes estesi – type locality for species
    • † – type locality for species
  • †
  • A living Lunatia moon sea snail
    Lucina
    • † – or unidentified comparable form
    • †
    • †
  • Lunatia – tentative report
  • Lygodium
    • † – informal
  • †
    • †

M[]

  • Diagram illustrating the known fossil material of two specimens of the Late Jurassic crocodile relative Macelognathus
    †Macelognathus – type locality for genus
    • †Macelognathus vagans – type locality for species
  • Mactra
    • †
  • † – tentative report
  • †
    • †
    • †
  • †
    • †
  • †
    • † – tentative report
    • †
  • †
    • †
  • †
    • †
    • †
  • †Mecochirus
  • Life restoration of the Late Jurassic plesiosaur Megalneusaurus
    †Megalneusaurus
    • †Megalneusaurus rex – type locality for species
  • †Megasphaeroceras
    • † – or unidentified comparable form
  • †
    • †
  • †Melvius
    • †
  • †Meniscoessus
    • † – type locality for species
    • †Meniscoessus intermedius
    • †Meniscoessus robustus – type locality for species
    • †Meniscoessus seminoensis – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
    • †
  • Assemblage of fossilized shells of the Late Cretaceous ammonoid cephalopod Menuites
    †Menuites
    • †
  • †
  • †Mesodma
    • †Mesodma formosa
    • †Mesodma hensleighi
    • †Mesodma primaeva
    • †Mesodma thompsoni – type locality for species
  • †
  • †Metoicoceras
    • †Metoicoceras geslinianum
    • †Metoicoceras mosbyense – or unidentified comparable form
    • †
  • †
    • †
  • †
    • †
    • †
  • Life restoration of the Early Cretaceous oviraptorosaur Microvenator
    †Microvenator
    • †Microvenator celer
  • †
    • †
  • Modiolus
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
  • †
    • †
  • †Morosaurus
  • †
    • †
  • †Myledaphus
    • †Myledaphus bipartitus
  • Fossilized shell of the Jurassic-Cretaceous marine bivalve Myophorella
    †Myophorella
    • †Myophorella yellowstonensis
  • Myrica
    • † – tentative report
    • †
  • †
    • †
  • †
    • †
  • †Mytilus
    • †

N[]

  • †
    • †
    • †
  • †Nanocuris
    • †
  • †
  • †Nanosaurus
    • †Nanosaurus rex
  • †Nanotyrannus – tentative report
  • †Naomichelys
    • †
  • A living Nelumbo lotus
    †Nelumbo
    • † – type locality for species
    • †
  • †Nemocardium
    • †
  • †
    • †
    • †
  • †Neocardioceras
    • †Neocardioceras laevigatum – type locality for species
    • †Neocardioceras minutum – type locality for species
    • †Neocardioceras transiens
    • †Neocardioceras uptonense – type locality for species
  • †
    • †
  • † – or unidentified comparable form
    • †
  • †Neoplagiaulax
  • †
    • †
  • †Nerinea – tentative report
  • †Neurankylus
    • † – type locality for species
  • †
    • †
    • †
  • Historical reconstruction of the holotype skeleton from 1921
    †Nodosaurus – type locality for genus
    • †Nodosaurus textilis – type locality for species
  • †
    • †
  • †Normannites – tentative report
    • † – or unidentified comparable form
  • †
    • †
    • †
    • †
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • †
    • †
    • †
  • Nuculana
    • †
    • †
    • † – tentative report
    • †
    • †
  • †
    • †

O[]

  • †Obamadon
    • †Obamadon gracilis
  • † – type locality for genus
    • †
  • †Odaxosaurus – type locality for genus
    • †Odaxosaurus piger – type locality for species
  • A living Odontaspis sand shark
    Odontaspis
    • † – type locality for species
    • † – type locality for species
  • †Oklatheridium
    • †
  • †
    • †
  • †
  • †Onoclea
    • †
  • †
  • †Ophiopsis
  • †Ophthalmosaurus
    • †Ophthalmosaurus natans
  • †Opisthias
    • † – type locality for species
  • †Opisthotriton
    • †
  • Mounted fossilized skeleton of the Late Jurassic theropod dinosaur Ornitholestes
    †Ornitholestes – type locality for genus
    • †Ornitholestes hermanni – type locality for species
  • †Ornithomimus
    • †Ornithomimus minutus
    • †Ornithomimus sedens – type locality for species
    • †Ornithomimus velox – or unidentified comparable form
  • †
    • † – tentative report
  • †Osmakasaurus – tentative report
    • †Osmakasaurus depressus
  • Mounted fossilized skeleton of the Late Jurassic herbivorous dinosaur Othnielosaurus
    Ostrea
    • †
  • †Othnielia
  • †Othnielosaurus
    • †Othnielosaurus consors – type locality for species
  • †
    • †
  • †Oxytoma
    • †

P[]

  • Fossilized skeleton of the Late Cretaceous dome-headed dinosaur Pachycephalosaurus
    †Pachycephalosaurus
    • †Pachycephalosaurus wyomingensis – type locality for species
  • †Pachyrhizodus
  • †Pachyteuthis
    • †
  • †
    • †
  • †Palaeobatrachus
    • † – type locality for species
  • †
    • † – type locality for species
  • †Palaeosaniwa – type locality for genus
    • †Palaeosaniwa canadensis – type locality for species
  • †
    • †
  • †Paleopsephurus
    • †Paleopsephurus wilsoni
  • †Paleorhinus
    • †Paleorhinus parvus – type locality for species
  • †Paliurus
    • †
    • † – tentative report
  • †Pantosaurus – type locality for genus
    • †Pantosaurus striatus – type locality for species
  • †
    • †
    • †
  • †Paracimexomys
    • †Paracimexomys priscus
  • †
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Paradiscoglossus – type locality for genus
    • † – type locality for species
  • †Paralbula
    • †
  • †Paramacellodus
    • †
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • Life restoration of the Late Triassic phytosaur Parasuchus
    †Parasuchus
    • † – type locality for species
  • †Paressonodon
    • †
  • †Pariguana – type locality for genus
    • † – type locality for species
  • †Parikimys
    • †
  • †
    • †
  • †Paronychodon
    • †Paronychodon lacustris – type locality for species
  • †
  • †Paurodon – type locality for genus
    • †Paurodon valens – type locality for species
  • †Pecopteris
    • †
    • †
  • Pecten
    • †
  • Micrograph of a fossilized tooth of the Late Cretaceous troodontid Pectinodon
    †Pectinodon – type locality for genus
    • †Pectinodon bakkeri – type locality for species
  • †
    • † – type locality for species
  • †
  • †
    • † – type locality for species
  • Persea – report made of unidentified related form or using admittedly obsolete nomenclature
    • †
  • † – tentative report
    • †
  • †
    • †
  • †Phoenicites – or unidentified comparable form
  • Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
    Pholadomya
    • †Pholadomya inaequiplicata
    • †Pholadomya kingi
  • †Phragmites
    • †
  • †
    • †
    • †
    • †
    • †
    • †
  • Phyllodus
    • †
  • A live individual of Physa marmorata
    Physa – or unidentified comparable form
  • †Piceoerpeton
    • †
  • Pinna
    • †
  • Pinus
    • †
  • Pistacia
    • †
  • †Pistia
    • †
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras
    †Placenticeras
    • †Placenticeras intercalare
    • †Placenticeras meeki
    • †Placenticeras pseudoplacenta
  • †Plagiostoma
    • †
  • Planorbis
  • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †
    • †
    • †
  • Platanus
    • †
  • Life restoration of the Late Cretaceous mosasaur Platecarpus
    †Platecarpus
    • †
    • †Platecarpus tympaniticus
  • †Platymya
    • †
  • †Platypterygius
    • †Platypterygius americanus – type locality for species
  • †
    • † – or unidentified comparable form
    • †
  • †Plesiobaena
    • †
  • Life restoration of the Late Cretaceous plesiosaur Plesiopleurodon
    †Plesiopleurodon – type locality for genus
    • †Plesiopleurodon wellesi – type locality for species
  • †Plesiosaurus
    • † – type locality for species
  • †
    • † – type locality for species
    • †
  • †
    • †
  • Plicatula
  • Polinices
    • † – or unidentified related form
  • †
    • † – or unidentified comparable form
  • †Polycotylus
  • Restoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale
    †Poposaurus – type locality for genus
    • †Poposaurus gracilis – type locality for species
  • Populus
    • †
    • † – type locality for species
  • †
    • † – type locality for species
  • †Portheus
  • †
    • †
  • †Potamoceratodus
  • †Potamornis – type locality for genus
    • †Potamornis skutchi – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Priacodon
    • †Priacodon ferox – type locality for species
    • †Priacodon grandaevus – type locality for species
    • †Priacodon lulli – type locality for species
    • †Priacodon robustus – type locality for species
  • †
    • †
    • †
    • †
  • †Prodesmodon – type locality for genus
    • † – type locality for species
  • †Prodiplocynodon – type locality for genus
    • †Prodiplocynodon langi – type locality for species
  • †
    • †
    • †
  • †
    • †
    • † – or unidentified comparable form
    • †
  • †
    • †
  • †Protalphadon
    • † – type locality for species
  • †
    • †
  • †Protocardia
    • †
    • † – or unidentified comparable form
  • †
    • †
  • †
  • †
    • †
  • Fossilized mandible of the Late Cretaceous-Paleocene mammal Protungulatum
    †Protungulatum – tentative report
  • Prunus
    • † – type locality for species
  • †Psalodon
    • †Psalodon fortis – type locality for species
    • †Psalodon marshi – type locality for species
    • †Psalodon potens – type locality for species
  • †Pseudoctenis
    • † – informal
  • † – type locality for genus
    • † – type locality for species
  • †Pseudoperna
    • †Pseudoperna congesta
  • †Pteraichnus
    • †Pteraichnus stokesi – type locality for species
  • Life restoration of the Late Cretaceous pterosaur Pteranodon
    †Pteranodon
    • †Pteranodon longiceps
  • †Pteria
    • †
    • †
    • †
    • †
    • † – or unidentified comparable form
  • †Pterodactylus
    • †Pterodactylus montanus – type locality for species
  • †Ptilotodon
    • †
  • †
  • †Ptychotrygon
    • †Ptychotrygon boothi – type locality for species
    • † – type locality for species
    • † – type locality for species

Q[]

  • †
    • †
    • A living Quercus, or oak tree
      †
  • †
    • †
    • † – type locality for species
  • Quercus
    • †
    • †
    • †
    • †
  • †
    • †

R[]

  • †
  • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • – tentative report
  • †Rhaeboceras
    • †
    • †
  • †Rhamnus
    • Micrograph with magnified inset of a fossilized tooth of the Late Cretaceous theropod dinosaur Richardoestesia
      †
    • †
  • Rhinobatos
    • †
  • †Rhizocorallium
  • †Rhynchosauroides – type locality for genus
    • † – type locality for species
  • †Richardoestesia
    • †Richardoestesia isosceles
  • †
    • †
  • Rostellaria – tentative report
  • † – or unidentified comparable form

S[]

  • †Sabalites
    • †
    • †
  • †Saccoloma – report made of unidentified related form or using admittedly obsolete nomenclature
    • †
  • †
    • †
  • A living Salix, or willow
    Salix
    • †
    • †
    • †
  • †Salpichlaena
    • † – informal
  • †Sapindopsis
    • †
    • †
    • † – type locality for species
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Foliage of a living Sassafras tree
    Sassafras
    • † – type locality for species
    • †
    • †
  • †Saurexallopus – type locality for genus
    • † – type locality for species
    • † – type locality for species
  • †Saurocephalus
  • †Saurolophus
  • †Sauropelta
    • †Sauropelta edwardsorum
  • Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale
    †Sauroposeidon
    • †Sauroposeidon proteles
  • †Saurornithoides – or unidentified comparable form
  • †Saurornitholestes
  • †Sauvagesia
    • † – or unidentified comparable form
  • †Scapanorhynchus
    • †Scapanorhynchus texanus
  • †Scapherpeton
    • †
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Scaphites
    †Scaphites
    • †Scaphites aquilaensis
    • †Scaphites binneyi
    • †Scaphites hippocrepis
    • †Scaphites stantoni
    • †Scaphites ventricosus
    • †Scaphites whitfieldi
  • †
    • † – type locality for species
    • † – type locality for species
  • †Scotiophryne
    • †
  • Scyliorhinus
    • † – type locality for species
  • †Selaginella
    • † – tentative report
  • † – type locality for genus
    • † – type locality for species
  • Base of the trunk of a living Sequoia tree with a human to scale
    Sequoia
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • †Skolithos
  • †Smilax
    • † – tentative report
  • †Socognathus
    • † – type locality for species
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Modern specimen of the marine bivalve Solemya
    Solemya
    • †
    • †
  • †
  • †Solyma
  • †Sparganium
    • †
    • † – type locality for species
  • Sphaerium – or unidentified comparable form
  • †Sphenodiscus
    • †Sphenodiscus lobatus – or unidentified comparable form
    • †Sphenodiscus pleurisepta
  • †
    • †
    • †
  • †Sphenopteris
    • †
  • †
    • † – or unidentified comparable form
  • Fossilized tooth of the Late Cretaceous shark Squalicorax
    Squalicorax
    • †Squalicorax kaupi
    • †Squalicorax pristodontus
  • †Squatirhina
    • †Squatirhina americana – type locality for species
    • † – type locality for species
  • †Staphylea
    • †
    • †
  • †Stegopelta – type locality for genus
    • †Stegopelta landerensis – type locality for species
  • Restoration of the Late Jurassic stegosaur Stegosaurus
    †Stegosaurus – type locality for genus
    • † – type locality for species
    • †Stegosaurus armatus – type locality for species
    • †Stegosaurus longispinus – type locality for species
    • †Stegosaurus stenops
    • †Stegosaurus sulcatus – type locality for species
    • †Stegosaurus ungulatus – type locality for species
  • †
  • †
    • † – or unidentified related form
  • Sterculia
    • †
    • †
  • †Stokesosaurus – tentative report
    • †Stokesosaurus clevelandi
  • †Struthiomimus – or unidentified comparable form
  • Restoration in multiple views of the Late Jurassic sauropod dinosaur Supersaurus with an anachronistic human to scale
    †
  • †Styxosaurus
    • †Styxosaurus browni – type locality for species
  • †Supersaurus
    • †Supersaurus vivianae
  • †
    • †
  • †Synechodus
    • † – type locality for species

T[]

  • †
    • †
  • Life restoration of the Late Jurassic theropod dinosaur Tanycolagreus
    †Tanycolagreus – type locality for genus
    • †Tanycolagreus topwilsoni – type locality for species
  • Tapeinidium
    • – tentative report
  • †
    • † – type locality for species
    • † – type locality for species
    • †
  • †Tatenectes
    • †Tatenectes laramiensis – type locality for species
  • †Tathiodon – type locality for genus
    • †Tathiodon agilis – type locality for species
  • †
    • † – type locality for species
  • †Tenea
    • †
  • Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
    †Tenontosaurus
    • †Tenontosaurus tilletti
  • Teredo
  • †Thalassinoides
  • †Theatonius – type locality for genus
    • † – type locality for species
  • †Theretairus – type locality for genus
    • † – type locality for species
  • Life restoration of the Late Cretaceous herbivorous dinosaur Thescelosaurus
    †Thescelosaurus – type locality for genus
    • †Thescelosaurus neglectus – type locality for species
  • †
    • † – type locality for species
  • †Thoracosaurus – or unidentified comparable form
  • Thracia
    • †
  • Thyasira
  • Illustration of a living Thyrsopteris tree fern
    †Thyrsopteris
    • †
    • †
    • †
    • † – type locality for species
    • †
    • †
    • †
  • †Tinodon – type locality for genus
    • †Tinodon bellus – type locality for species
  • †Torosaurus – type locality for genus
    • †Torosaurus latus – type locality for species
  • †Torotix – type locality for genus
    • †Torotix clemensi – type locality for species
  • Mounted fossilized skeleton of the Late Jurassic megalosaur Torvosaurus
    †Torvosaurus – type locality for genus
    • †Torvosaurus tanneri – type locality for species
  • †Trachodon
  • †
    • †
  • †
    • †
  • †Tragodesmoceras
    • †Tragodesmoceras carlilense
  • †Trapa
    • †
  • Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
    †Triceratops – type locality for genus
    • †Triceratops horridus – type locality for species
    • †Triceratops ingens – type locality for species
    • †Triceratops prorsus – type locality for species
    • †Triceratops sulcatus – type locality for species
  • †Trigonia
    • †Trigonia americana
    • †Trigonia elegantissima
    • †Trigonia montanaensis
    • †Trigonia quadrangularis
  • †Trioracodon
    • †Trioracodon bisulcus – type locality for species
  • Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
    Trochocyathus – tentative report
  • †
  • †Troodon
    • †Troodon formosus
  • †
    • † – type locality for species
    • †
  • Typha
  • †Tyrannosaurus – type locality for genus

U[]

  • †
    • † – type locality for species
  • †Uluops – type locality for genus
    • †Uluops uluops – type locality for species
  • Unio
  • †
    • †

V[]

  • Vanikoro
    • †
  • †
    • †
  • †
    • Leaves and fruit of a living Vitis, or grapevine
      †
  • †
    • †
  • †Viburnum
    • †
    • †
    • †
  • Vitis
    • †
  • Viviparus – or unidentified comparable form
  • †

W[]

Living Woodwardia ferns
  • † – type locality for genus
    • † – type locality for species
  • †Weichselia
    • †
  • †Williamsonia – tentative report
    • † – type locality for species
  • †Woodwardia
    • †

X[]

Life restoration of the Cretaceous bony fish Xiphactinus
  • †Xenocephalites
  • †
  • †Xiphactinus
    • †

Y[]

  • Yoldia
    • † – or unidentified related form
    • †

Z[]

Fossil of the Early Triassic-Eocene cycad-like frond Zamites
  • †Zamites
    • †Zamites arcticus
    • †Zamites borealis
    • †Zamites brevipennis
  • †Zapsalis – or unidentified comparable form
  • †Zephyrosaurus – or unidentified comparable form
  • †Zofiabaatar – type locality for genus
    • †Zofiabaatar pulcher – type locality for species

References[]

  1. ^ Scott Hartman; Mickey Mortimer; William R. Wahl; Dean R. Lomax; Jessica Lippincott; David M. Lovelace (2019). "A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight". PeerJ. 7: e7247. doi:10.7717/peerj.7247. PMC 6626525. PMID 31333906.
  2. ^ Scott Hartman; Mickey Mortimer; William R. Wahl; Dean R. Lomax; Jessica Lippincott; David M. Lovelace (2019). "A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight". PeerJ. 7: e7247. doi:10.7717/peerj.7247. PMC 6626525. PMID 31333906.
  3. ^ a b 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.

External links[]

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