List of the Mesozoic life of South Dakota

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

A[]

  • Acipenser – or unidentified comparable form
  • †Actinocamax
  • †
    • †
  • †Adocus
  • †Agerostrea
    • †
  • †
    • †
    • †
  • †Allosaurus
  • Restorative model of the Late Cretaceous mammal Alphadon
    †Alphadon
    • †Alphadon marshi
  • †
    • † – informal
  • †Anatotitan
    • †Anatotitan copei
  • †
  • †Anomia
    • †
  • †
  • †Anzu – type locality for genus
  • †Apatosaurus
  • †Araucarioxylon
    • † – type locality for species
  • Mounted fossilized skeleton of the Late Cretaceous sea turtle Archelon
    †Archelon – type locality for genus
    • †
    • †Archelon ischyros – type locality for species
  • †Artocarpus – report made of unidentified related form or using admittedly obsolete nomenclature
    • †
  • Aspideretes
  • †Asplenium
    • †
  • †Axestemys – or unidentified comparable form
    • †

B[]

  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    †Baculites
    • †Baculites clinolobatus
    • †Baculites compressus
    • †Baculites grandis
    • †Baculites larsoni
    • †Baculites ovatus
    • †Baculites yokoyamai
  • †Bananogmius
    • †
  • †Baptornis
    • †Baptornis varneri – type locality for species
  • Restoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus
    †Barosaurus – type locality for genus
    • †Barosaurus lentus – type locality for species
  • †Basilemys
    • †
  • †Belemnitella
  • Beryx – or unidentified related form
  • †
    • †
  • †
    • †
  • †Bolodon
    • †Bolodon hydei – type locality for species
  • †Borealosuchus
    • †Borealosuchus sternbergii
  • † – tentative report
  • Brachidontes
  • Life restoration of the Late Cretaceous Alligator relative Brachychampsa
    †Brachychampsa
    • †Brachychampsa montana
  • †Brodavis
    • †Brodavis baileyi – type locality for species
  • † – type locality for genus
    • † – type locality for species

C[]

  • †Caenagnathus
  • †Calycoceras
    • †Calycoceras boreale – type locality for species
    • †Calycoceras dromense – or unidentified comparable form
  • Life restoration of a herd of the Late Jurassic sauropod dinosaur Camarasaurus
    †Camarasaurus
  • Campeloma
  • †
    • †
  • †
    • † – type locality for species
  • † – or unidentified comparable form
    • †
  • †Caturus
    • † – type locality for species
  • †
    • † – type locality for species
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
  • †Cimexomys
  • †Cimolodon
    • †Cimolodon nitidus
  • †Cimolomys
    • †Cimolomys gracilis
  • †Cissites
    • †
    • †
  • †
    • †
  • †Claosaurus
    • †Claosaurus affinis – type locality for species
  • †
  • Life restoration of the Late Cretaceous mosasaurid Clidastes
    †Clidastes
    • †Clidastes propython
  • †
    • †
  • †Cocculus
    • †
  • †Collignoniceras
    • †Collignoniceras collisniger – type locality for species
    • †Collignoniceras jorgenseni – type locality for species
    • †Collignoniceras percarinatum
    • †Collignoniceras praecox
    • †Collignoniceras vermilionense
    • †Collignoniceras woolgari
    • †Collignoniceras woollgari
  • †Compsemys
    • †Compsemys victa
  • Corbula
    • †
  • †Corbulamella
    • †
  • †
    • †
  • †Crenella
    • †Crenella elegantula
  • †Cretodus
  • Fossil of the Early Cretaceous-Eocene shark Cretolamna
    †Cretolamna
    • †Cretolamna appendiculata
  • †Cteniogenys
    • †
  • Cucullaea
    • †
  • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †Cuspidaria
    • †
    • †
  • Fossil of the Jurassic-Cretaceous cycad relative Cycadeoidea
    †Cycadeoidea
    • †Cycadeoidea aspera – type locality for species
    • †Cycadeoidea cicatricula – type locality for species
    • †Cycadeoidea colei – type locality for species
    • †Cycadeoidea colossalis – type locality for species
    • †Cycadeoidea dacotensis
    • †Cycadeoidea excelsa – type locality for species
    • †Cycadeoidea formosa – type locality for species
    • †Cycadeoidea furcata – type locality for species
    • †Cycadeoidea ingens – type locality for species
    • †Cycadeoidea insolita – type locality for species
    • †Cycadeoidea jenneyana
    • †Cycadeoidea Jenneyana
    • †Cycadeoidea marshiana – type locality for species
    • †Cycadeoidea mcbridei – type locality for species
    • †Cycadeoidea McBridei – type locality for species
    • †Cycadeoidea minnekahtensis – type locality for species
    • †Cycadeoidea nana – type locality for species
    • †Cycadeoidea occidentalis – type locality for species
    • †Cycadeoidea paynei – type locality for species
    • †Cycadeoidea pulcherrima – type locality for species
    • †Cycadeoidea stillwelli – type locality for species
    • †Cycadeoidea turrita – type locality for species
    • †Cycadeoidea Wellsii – type locality for species
  • †
    • †
  • †
    • †
    • †

D[]

  • †Dakotadon
    • †Dakotadon lakotaensis
  • Restoration of the Late Cretaceous dromaeosaurid ("raptor") Dakotaraptor preying upon an ostrich dinosaur
    †Dakotaraptor – type locality for genus
    • †Dakotaraptor steini – type locality for species
  • †
    • †
  • †
    • † – or unidentified comparable form
  • †Desmatochelys
    • †Desmatochelys lowi
  • †Didelphodon
    • † – or unidentified comparable form
  • †Diplodocus
  • †Discoscaphites
    • †Discoscaphites conradi
    • †Discoscaphites gulosus
    • †Discoscaphites rossi – type locality for species
  • Life restoration of the Late Cretaceous plesiosaur Dolichorhynchops
    †Dolichorhynchops
    • †Dolichorhynchops bonneri
    • †Dolichorhynchops osborni
  • †
    • †
  • †
    • †
  • †
    • †
    • †
  • †
    • †

E[]

F[]

  • †
    • †

G[]

  • †Galagadon – type locality for genus[1]
    • †Galagadon nordquistae – type locality for species[1]
  • †Geosternbergia
    • †Geosternbergia maiseyi – type locality for species
  • Gleichenia
    • †
  • Life restoration of the Late Cretaceous mosasaur Globidens
    †Globidens
    • †Globidens alabamensis
    • †Globidens dakotensis – type locality for species
    • †Globidens schurmanni – type locality for species
  • †
    • † – type locality for species
  • †Glyptops
  • Glyptostrobus
    • †Glyptostrobus europaeus
  • †
    • †
  • Life restoration of the Late Cretaceous tyrannosaur Gorgosaurus
    †Gorgosaurus
  • †
    • †
  • †
    • †
  • †
    • †
  • †
    • †
  • †Gypsonictops
    • †
  • †
    • †

H[]

  • †Hainosaurus
    • † – type locality for species
  • †Hamites
    • †
  • †
    • †
    • †
  • †
    • †
  • Life restoration of the Late Cretaceous toothed bird Hesperornis
    †Hesperornis
    • †Hesperornis regalis – or unidentified comparable form
  • Hiatella – tentative report
  • †
    • †
  • †Hoplitosaurus
    • †Hoplitosaurus marshi – type locality for species
  • †Hoploparia
  • †Hoploscaphites
    • †Hoploscaphites comprimus
    • †Hoploscaphites melloi – type locality for species
    • †Hoploscaphites nicolletii
  • Fossilized skeleton of the Early Jurassic bony fish Hulettia
    †Hulettia
    • † – type locality for species
  • †
    • †
  • †Hypsilophodon
    • †Hypsilophodon wielandi – type locality for species

I[]

  • †Ichthyodectes
  • † – type locality for genus
    • † – type locality for species
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    †Inoceramus
    • †Inoceramus apicalis
    • †Inoceramus ginterensis
    • †Inoceramus tenuis – or unidentified related form
    • †Inoceramus tenuistriatus – tentative report
  • †Ischyodus
    • †Ischyodus rayhaasi
  • Isurus

J[]

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

L[]

M[]

    • †
  • †
    • †
    • †
  • †Melvius
    • †
  • †Meniscoessus
    • †Meniscoessus robustus
  • †Mesodma
    • †Mesodma formosa
    • †Mesodma hensleighi
    • †Mesodma thompsoni
  • †Modiolus
    • † – or unidentified related form
    • †
    • †
  • Life restoration of two of the Late Cretaceous Mosasaurus
    †Mosasaurus
    • †Mosasaurus missouriensis – type locality for species
  • †Myledaphus
    • †Myledaphus bipartitus

N[]

O[]

P[]

Q[]

  • Quercus
    • †
  • †
    • †

R[]

  • †Rhamnus
    • †
  • †
    • †
  • Micrograph with magnified inset of a fossilized tooth of the Late Cretaceous theropod dinosaur Richardoestesia
    †Richardoestesia
    • †Richardoestesia isosceles

S[]

Base of the trunk of a living Sequoia tree with a human to scale

T[]

V[]

W[]

  • †

Y[]

Z[]

References[]

  1. ^ a b Terry A. Gates; Eric Gorscak; Peter J. Makovicky (2019). "New sharks and other chondrichthyans from the latest Maastrichtian (Late Cretaceous) of North America". Journal of Paleontology. 93 (3): 512–530. doi:10.1017/jpa.2018.92.
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