List of the Mesozoic life of Kansas

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

A[]

• †
  • †
  • †
• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Acanthoscaphites
  †Acanthoscaphites – tentative report
  • †Acanthoscaphites reesidei
• †Alzadasaurus – type locality for genus
  • † – type locality for species
• †
• †Ampullina
• †Anomia
• †Apateodus
  • † – type locality for species
• †Apatornis
  • †Apatornis celer – type locality for species
• 

  Fossilized skeleton of the Late Cretaceous bony fish Apsopelix
  †Apsopelix
  • †Apsopelix anglicus
• †
  • †
• Aralia
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  • †
  • †
• †
  • †
• †
  • †
• † – type locality for genus
  • † – type locality for species
• †Archaeolamna
  • †
• † – type locality for genus
  • † – type locality for species
  • † – type locality for species
• †
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• †
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• Arundo
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• †Asplenium
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• †
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• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
  †Aviculopecten
  • †Aviculopecten occidentalis

B[]

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
  †Baculites
  • †Baculites clinolobatus
  • †Baculites compressus
  • †Baculites grandis
  • †Baculites ovatus
  • †Baculites pseudovatus – type locality for species
• †
  • †
• †Bananogmius
  • †
• †Baptornis – type locality for genus
  • †Baptornis advenus – type locality for species
• † – type locality for genus
  • † – type locality for species
• Botula
  • †Botula carolinensis
• 

  Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird
  †Brachauchenius – type locality for genus
  • †Brachauchenius lucasi – type locality for species
• Brachidontes
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• †
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• †
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C[]

• Cadulus
  • †
• † – type locality for genus
  • † – type locality for species
• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Calycoceras
  †Calycoceras
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• †Cantioscyllium
  • †
• Carcharias
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• Cardita
  • †
• †
  • †
• †Cassiope
• †Ceratophyllum
• Chiloscyllium
  • †
• †Chondrites
• †Cimolichthys
  • †Cimolichthys nepaholica
• Cladophlebis
  • †
• †Claosaurus
  • †Claosaurus agilis – type locality for species
• 

  Life restoration of the Late Cretaceous mosasaurid Clidastes
  †Clidastes
  • †Clidastes liodontus
  • †Clidastes velox
• Cliona
• †Clioscaphites
  • †
• †Collignoniceras
  • †Collignoniceras woollgari
• †Coniasaurus
  • † – or unidentified comparable form
• Corbula
  • †
  • †
• †
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• †
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• Crassinella
  • †
• Crassostrea
  • †
• †Cretolamna
  • †Cretolamna appendiculata
• 

  Restoration of the Late Cretaceous shark Cretoxyrhina, or the Ginsu shark
  †Cretoxyrhina
  • †Cretoxyrhina mantelli
• †
• Ctenochelys
  • †
  • † – type locality for species
• Cucullaea
  • †
  • †
• †
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• †Cycadeoidea
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• †
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• †
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D[]

• †Dakotasuchus – type locality for genus
  • †Dakotasuchus kingi – type locality for species
• †Dawndraco – type locality for genus
  • †Dawndraco kanzai – type locality for species
• †Desmatochelys
  • †Desmatochelys lowi
• †
• †Discoscaphites
  • †
  • †
• 

  Life restoration of the Late Cretaceous plesiosaur Dolichorhynchops
  †Dolichorhynchops – type locality for genus
  • †Dolichorhynchops osborni – type locality for species
• †
  • †
• †
  • †
• †Durania
  • †

E[]

• †Ectenosaurus
  • †Ectenosaurus clidastoides
• †
  • †
• 

  Life restoration of the Late Cretaceous plesiosaur Elasmosaurus with an anachronistic human to scale
  †Elasmosaurus – type locality for genus
  • †Elasmosaurus nobilis – type locality for species
  • †Elasmosaurus platyurus – type locality for species
  • †Elasmosaurus sternbergi – type locality for species
• †Enchodus
  • †Enchodus gladiolus
  • †Enchodus petrosus
• †
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• †
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• †
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• †Euspira
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F[]

• †Fagus
• †
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• †
  • †
• †Fumicollis – type locality for genus
  • † – type locality for species

G[]

• †Gegania
• †Gervillia
  • †Gervillia mudgeana
  • †Gervillia mudgenana
• †Gillicus
  • †Gillicus arcuatus
• Gleichenia
  • †
  • †
• 

  Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens
  †Globidens
• †Gryphaea
  • †Gryphaea corrugata
  • †Gryphaea hilli
  • †Gryphaea mucronata
  • †Gryphaea navia

H[]

• †
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• †Halisaurus
  • †Halisaurus sternbergi – type locality for species
• †
  • †
• †
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• 

  Life restoration of the Late Cretaceous toothed bird Hesperornis
  †Hesperornis – type locality for genus
  • †Hesperornis crassipes – type locality for species
  • †Hesperornis gracilis – type locality for species
  • †Hesperornis regalis – type locality for species
• †Heteroceras
  • †
• †Hierosaurus – type locality for genus
  • † – type locality for species
• †
• †Hoploscaphites
  • †Hoploscaphites nicolletii
• †
• †
  • †

I[]

• †Iaceornis
  • †Iaceornis marshi – type locality for species
• 

  Restoration of the Late Cretaceous toothed bird Ichthyornis
  †Ichthyornis – type locality for genus
  • †Ichthyornis dispar – type locality for species
• †Inoceramus
  • †Inoceramus cuvieri
  • †Inoceramus ginterensis
  • †Inoceramus tenuistriatus – tentative report
• †Ischyrhiza
  • †Ischyrhiza mira

J[]

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
  †Jeletzkytes
  • †Jeletzkytes nodosus

K[]

• † – type locality for genus
  • † – type locality for species

L[]

• †
  • † – or unidentified comparable form
• †Leiosphaeridia
• †
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• †Leptostyrax
  • †
• †
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• †Linearis
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• †Lingula
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• 

  A modern Linuparus spiny lobster
  Linuparus
  • †
• †
  • † – type locality for species
• Lopha
  • †
  • †
• † – type locality for genus
  • † – type locality for species
  • † – type locality for species

M[]

• †
  • †
• †Magnoavipes
• Marsilea
  • †
• †Mathilda
• †Megacephalosaurus – type locality for genus
  • †Megacephalosaurus eulerti – type locality for species
• Membranipora
• †
  • †
• †
  • †
  • †
  • † – or unidentified comparable form
• 

  Fossilized shell of the Devonian-modern marine bivalve Modiolus, or horsemussel
  †Modiolus
• †
  • †
  • † – type locality for species
• †
  • †

N[]

• †Niobrarasaurus
  • †Niobrarasaurus coleii – type locality for species
• †Niobrarateuthis
  • †Niobrarateuthis bonneri – type locality for species
  • †Niobrarateuthis walkeri – type locality for species
• Nucula
  • †
  • † – or unidentified comparable form
• Nuculana
  • †
• 

  Restoration of the Late Cretaceous pterosaur Nyctosaurus
  †Nyctosaurus
  • †Nyctosaurus bonneri – type locality for species
  • †Nyctosaurus gracilis – type locality for species
  • †Nyctosaurus nanus – type locality for species

O[]

• †Ogmodirus – type locality for genus
  • † – type locality for species
• †
  • †
• †
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• 

  Shell of an Ostrea, or oyster
  Ostrea
  • †
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• †
• †

P[]

• †Pachyrhizodus
  • †Pachyrhizodus caninus – or unidentified comparable form
  • †Pachyrhizodus minimus
• †Parahesperornis – type locality for genus
  • †Parahesperornis alexi – type locality for species
• †
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• †
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• †Pecten
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• †
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• †
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• Pholadomya
  • †
• Pinus
  • †
• †
• †Placenticeras
  • †Placenticeras meeki
• Platanus
• 

  Restoration of the Late Cretaceous mosasaur Platecarpus
  †Platecarpus
  • †Platecarpus planifrons – type locality for species
  • †Platecarpus tympaniticus
• †Platyceramus
  • †Platyceramus platinus
• †Platypterygius – or unidentified comparable form
• †Plesiochelys
  • † – type locality for species
• †Plesiosaurus
  • † – type locality for species
• Plicatula
• † – report made of unidentified related form or using admittedly obsolete nomenclature
• 

  Life restoration of the Late Cretaceous polycotylid plesiosaur Polycotylus giving birth
  †Polycotylus – type locality for genus
  • †Polycotylus latipinnis – type locality for species
• † – type locality for genus
  • † – type locality for species
• †
  • † – type locality for species
• †
  • †
• †Prisca – tentative report
• †Protocardia
  • †
• †Protosphyraena
  • †Protosphyraena tenuis
• †Protostega
  • † – type locality for species
• †Pseudoperna
  • †
  • †Pseudoperna congesta
• 

  Life restoration of the Late Cretaceous pterosaur Pteranodon
  †Pteranodon – type locality for genus
  • †Pteranodon comptus – type locality for species
  • †Pteranodon longiceps – type locality for species
  • †Pteranodon sternbergi – type locality for species
• †Pteria
  • †
• †Pterotrigonia
  • †
• †Ptychodus
  • †Ptychodus anonymus – or unidentified comparable form
  • †Ptychodus decurrens
  • †Ptychodus mortoni
  • †Ptychodus occidentalis
  • †Ptychodus whipplei
• †Ptychotrygon
  • †Ptychotrygon triangularis

Q[]

• Quercus

R[]

• †
  • †
• †Repichnia
• 

  A living Rhinobatos guitar fish
  Rhinobatos
  • †Rhinobatos incertus
• †Rhizocorallium
• †
  • † – or unidentified comparable form

S[]

• †Sapindopsis
  • †
  • †
  • †
  • † – informal
  • † – informal
  • †
• Sassafras
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  • †
• †
• †
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• †Scapanorhynchus
  • †Scapanorhynchus rhaphiodon
• †Scaphites
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• †Scolicia
• Scyliorhinus
• †Selmasaurus
  • †Selmasaurus johnsoni – type locality for species
• †Sequoia
  • †
• Serpula
• 

  Illustration of a fossilized cranium of the Late Cretaceous armored dinosaur Silvisaurus
  †Silvisaurus – type locality for genus
  • †Silvisaurus condrayi – type locality for species
• †
  • †
• Squalicorax
  • †Squalicorax curvatus
  • †Squalicorax falcatus
  • †Squalicorax kaupi
  • †Squalicorax pristodontus – or unidentified comparable form
  • †Squalicorax volgensis
• †
• Sterculia
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  • †
• †
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• †
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• †
• †
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• 

  Animated life restoration of the Late Cretaceous plesiosaur Styxosaurus
  †Styxosaurus – type locality for genus
  • †Styxosaurus snowii – type locality for species

T[]

• Tellina
• †Terminonaris
  • † – or unidentified comparable form
• 

  Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys
  †Toxochelys
  • †Toxochelys latiremis
• Trachycardium
  • †
• †Tragodesmoceras
  • †
• †Trinacromerum – type locality for genus
  • †Trinacromerum bentonianum – type locality for species
• Turritella
  • †
  • †
  • †
• 

  Restoration of the Late Cretaceous mosasaur Tylosaurus
  †Tylosaurus
  • †Tylosaurus dyspelor
  • †Tylosaurus kansasensis – type locality for species
  • †Tylosaurus proriger

U[]

• 

  Fossils of the Late Cretaceous crinoid ("sea lily") Uintacrinus
  †Uintacrinus
  • †Uintacrinus socialis
• †Urenchelys
  • † – type locality for species

V[]

• †

X[]

• 

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

Y[]

• Yoldia
  • †

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)