List of the Mesozoic life of Kansas

Last updated February 13, 2024

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

† Abietites
- † Abietites ernestinae
- † Abietites longifolius
Fossilized shell of the Late Cretaceous ammonoid cephalopod Acanthoscaphites
† Acanthoscaphites – tentative report
- † Acanthoscaphites reesidei
† Alzadasaurus – type locality for genus
- † Alzadasaurus kansasensis – type locality for species
† Amberleya
† Ampullina
† Anomia
† Apateodus
- † Apateodus busseni – type locality for species
† Apatornis
- † Apatornis celer – type locality for species
Fossilized skeleton of the Late Cretaceous bony fish Apsopelix
† Apsopelix
- † Apsopelix anglicus
† Aquatifolia
- † Aquatifolia fluitans
Aralia
- † Aralia newberryi
- † Aralia polymorpha
- † Aralia ravniana
† Araliopsoides
- † Araliopsoides cretacea
† Arcellites
- † Arcellites disciformis
† Archaeanthus – type locality for genus
- † Archaeanthus linnenbergeri – type locality for species
† Archaeolamna
- † Archaeolamna kopingensis
† Archaepetala – type locality for genus
- † Archaepetala beekeri – type locality for species
- † Archaepetala obscura – type locality for species
† Arcopagella
- † Arcopagella mactroides
† Ariadnaesporites
- † Ariadnaesporites ariadnae
Arundo
- † Arundo groenlandica
† Asplenium
- † Asplenium dicksonianum
† Astrocoenia
- † Astrocoenia nidiformis
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
† Bacutriletes
- † Bacutriletes greenlandicus
† Bananogmius
- † Bananogmius evolutus
† Baptornis – type locality for genus
- † Baptornis advenus – type locality for species
† Bassites – type locality for genus
- † Bassites reesidei – 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
- † Brachidontes nonbifurcus
† Brachyrhizodus
- † Brachyrhizodus mcnultyi
† Brasenites
- † Brasenites kansense
† Breviarca
- † Breviarca angulata
- † Breviarca habita
- † Breviarca salinaensis
- † Breviarca subovata

C

Cadulus
- † Cadulus praetenuis
† Caloda – type locality for genus
- † Caloda delevoryana – type locality for species
Fossilized shell of the Late Cretaceous ammonoid cephalopod Calycoceras
† Calycoceras
- † Calycoceras naviculare
† Cantioscyllium
- † Cantioscyllium decipiens
Carcharias
- † Carcharias amonensis
- † Carcharias saskatchewanensis
- † Carcharias tenuiplicatus
Cardita
- † Cardita belviderensis
† Carpolithus
- † Carpolithus belviderensis
† Cassiope
† Ceratophyllum
Chiloscyllium
- † Chiloscyllium greeni
† Chondrites
† Cimolichthys
- † Cimolichthys nepaholica
Cladophlebis
- † Cladophlebis dakotensis
† Claosaurus
- † Claosaurus agilis – type locality for species
Life restoration of the Late Cretaceous mosasaurid Clidastes
† Clidastes
- † Clidastes liodontus
- † Clidastes velox
Cliona
† Clioscaphites
- † Clioscaphites choteauensis
† Collignoniceras
- † Collignoniceras woollgari
† Coniasaurus
- † Coniasaurus crassidens – or unidentified comparable form
Corbula
- † Corbula fenti
- † Corbula smolanensis
† Costatheca
- † Costatheca diskoensis
- † Costatheca lata
† Crassatellina
- † Crassatellina oblonga
Crassinella
- † Crassinella semicostata
Crassostrea
- † Crassostrea kiowana
† Cretolamna
- † Cretolamna appendiculata
Restoration of the Late Cretaceous shark Cretoxyrhina , or the Ginsu shark
† Cretoxyrhina
- † Cretoxyrhina mantelli
† Crossopodia
Ctenochelys
- † Ctenochelys procax
- † Ctenochelys stenoporus – type locality for species
Cucullaea
- † Cucullaea herculea
- † Cucullaea recedens
† Cupressinoxylon
- † Cupressinoxylon cheyennense
† Cycadeoidea
- † Cycadeoidea munita
† Cycadeospermum
- † Cycadeospermum lineatum
† Cyprimeria
- † Cyprimeria kiowana
Cytheridea

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
† Dictyothylakos
† Discoscaphites
- † Discoscaphites constrictus
- † Discoscaphites nicoletti
† Dolichorhynchops – type locality for genus
- † Dolichorhynchops osborni – type locality for species
† Donlesia
- † Donlesia dakotensis
† Drepanocheilus
- † Drepanocheilus kiowanus
† Durania
- † Durania maxima

E

† Ectenosaurus
- † Ectenosaurus clidastoides
† Eiffellithus
- † Eiffellithus turriseiffelii
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
† Engonoceras
- † Engonoceras belviderense
† Eprolithus
- † Eprolithus floralis
† Erlansonisporites
- † Erlansonisporites erlansonii
† Euspira
- † Euspira smolanensis

F

† Fagus
† Feistmantelia
- † Feistmantelia oblonga
† Flaventia
- † Flaventia belviderensis
† Fumicollis – type locality for genus
- † Fumicollis hoffmani – type locality for species

G

† Gegania
† Gervillia
- † Gervillia mudgeana
- † Gervillia mudgenana
† Gillicus
- † Gillicus arcuatus
Gleichenia
- † Gleichenia bohemica
- † Gleichenia nordenskioldi
Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens
† Globidens
† Gryphaea
- † Gryphaea corrugata
- † Gryphaea hilli
- † Gryphaea mucronata
- † Gryphaea navia

H

† Hadrodus
- † Hadrodus priscus
† Halisaurus
- † Halisaurus sternbergi – type locality for species
† Heliocolithus
- † Heliocolithus trabeculatus
† Henrisporites
- † Henrisporites angustus
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
- † Heteroceras tortum
† Hierosaurus – type locality for genus
- † Hierosaurus sternbergii – type locality for species
† Homomya
† Hoploscaphites
- † Hoploscaphites nicolletii
† Hughesisporites
† Huhatanka
- † Huhatanka kiowana

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

† Kalymmanthus – type locality for genus
- † Kalymmanthus walkeri – type locality for species

L

† Laminospondylus
- † Laminospondylus transversus – or unidentified comparable form
† Leiosphaeridia
† Leptosolen
- † Leptosolen otterensis
† Leptostyrax
- † Leptostyrax crassidens
† Lesqueria
- † Lesqueria elocata
† Linearis
- † Linearis kansasensis
† Lingula
- † Lingula subspatula
- † Lingula subspatulata
A modern Linuparus spiny lobster
Linuparus
- † Linuparus canadensis
† Liriophyllum
- † Liriophyllum kansense – type locality for species
Lopha
- † Lopha kansasensis
- † Lopha subovata
† Lophochelys – type locality for genus
- † Lophochelys natatrix – type locality for species
- † Lophochelys niobrarae – type locality for species

M

† Maexisporites
- † Maexisporites soldanellus
† Magnoavipes
Marsilea
- † Marsilea johnhallii
† Mathilda
† Megacephalosaurus – type locality for genus
- † Megacephalosaurus eulerti – type locality for species
Membranipora
† Microcarpolithes
- † Microcarpolithes hexagonalis
† Minerisporites
- † Minerisporites dissimilis
- † Minerisporites marginatus
- † Minerisporites pterotus – or unidentified comparable form
Fossilized shell of the Devonian-modern marine bivalve Modiolus , or horsemussel
† Modiolus
† Molaspora
- † Molaspora lobata
- † Molaspora salinum – type locality for species
† Mytiloides
- † Mytiloides columbianus

N

† Niobrarasaurus
- † Niobrarasaurus coleii – type locality for species
† Niobrarateuthis
- † Niobrarateuthis bonneri – type locality for species
- † Niobrarateuthis walkeri – type locality for species
Nucula
- † Nucula catherina
- † Nucula rivulana – or unidentified comparable form
Nuculana
- † Nuculana mutata
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
- † Ogmodirus martinii – type locality for species
† Onychiopsis
- † Onychiopsis psilotoides
† Orepanochilus
- † Orepanochilus kiowanus
Shell of an Ostrea , or oyster
Ostrea
- † Ostrea arcuata
- † Ostrea lugubris
- † Ostrea rugosa
† Otostoma
† Oxytropidoceras

P

† Pachyrhizodus
- † Pachyrhizodus caninus – or unidentified comparable form
- † Pachyrhizodus minimus
† Parahesperornis – type locality for genus
- † Parahesperornis alexi – type locality for species
† Paraliodesmus
- † Paraliodesmus guadagnii
† Paxillitriletes
- † Paxillitriletes dakotaensis
- † Paxillitriletes vittatus
† Pecten
- † Pecten inconspicuus
† Peilinia
- † Peilinia quadriplicata
† Phelopteria
- † Phelopteria minuta
Pholadomya
- † Pholadomya belviderensis
Pinus
- † Pinus longifolius
† Pirsila
† 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
- † Plesiochelys belviderensis – type locality for species
† Plesiosaurus
- † Plesiosaurus gulo – type locality for species
Plicatula
† Polyacrodus – 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
† Porthochelys – type locality for genus
- † Porthochelys laticeps – type locality for species
† Prionochelys
- † Prionochelys galeotergum – type locality for species
† Prionocyclus
- † Prionocyclus hyatti
† Prisca – tentative report
† Protocardia
- † Protocardia texana
† Protosphyraena
- † Protosphyraena tenuis
† Protostega
- † Protostega copei – type locality for species
† Pseudoperna
- † Pseudoperna bentonensis
- † 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
- † Pteria salinensis
† Pterotrigonia
- † Pterotrigonia emoryi
† Ptychodus
- † Ptychodus anonymus – or unidentified comparable form
- † Ptychodus decurrens
- † Ptychodus mortoni
- † Ptychodus occidentalis
- † Ptychodus whipplei
† Ptychotrygon
- † Ptychotrygon triangularis

Q

Quercus

R

† Raninella
- † Raninella carlilensis
† Repichnia
A living Rhinobatos guitar fish
Rhinobatos
- † Rhinobatos incertus
† Rhizocorallium
† Ruffordia
- † Ruffordia goepperti – or unidentified comparable form

S

† Sapindopsis
- † Sapindopsis belviderensis
- † Sapindopsis brevifolia
- † Sapindopsis magnifolia
- † Sapindopsis type A – informal
- † Sapindopsis type B – informal
- † Sapindopsis variabilis
Sassafras
- † Sassafras mudgii
- † Sassafras mudgli
† Scabratriletes
† Scabtrigonia
- † Scabtrigonia emoryi
† Scapanorhynchus
- † Scapanorhynchus rhaphiodon
† Scaphites
- † Scaphites plenus
† Scolicia
Scyliorhinus
† Selmasaurus
- † Selmasaurus johnsoni – type locality for species
† Sequoia
- † Sequoia condita
Serpula
Illustration of a fossilized cranium of the Late Cretaceous armored dinosaur Silvisaurus
† Silvisaurus – type locality for genus
- † Silvisaurus condrayi – type locality for species
† Spermatites
- † Spermatites piperiformis
Squalicorax
- † Squalicorax curvatus
- † Squalicorax falcatus
- † Squalicorax kaupi
- † Squalicorax pristodontus – or unidentified comparable form
- † Squalicorax volgensis
† Squalocorax
Sterculia
- † Sterculia mucronata
- † Sterculia towneri
† Stoveris
- † Stoveris achylosus
† Stramentum
- † Stramentum elegans
- † Stramentum haworthi
† Strepteneura
† Striatriletes
- † Striatriletes radialis
Animated life restoration of the Late Cretaceous plesiosaur Styxosaurus
† Styxosaurus – type locality for genus
- † Styxosaurus snowii – type locality for species

T

Tellina
† Terminonaris
- † Terminonaris browni – or unidentified comparable form
Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys
† Toxochelys
- † Toxochelys latiremis
Trachycardium
- † Trachycardium kansasense
† Tragodesmoceras
- † Tragodesmoceras bassi
† Trinacromerum – type locality for genus
- † Trinacromerum bentonianum – type locality for species
Turritella
- † Turritella belviderei
- † Turritella belviderensis
- † Turritella kansasensis
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
- † Urenchelys abditus – type locality for species

V

† Vitiphyllum

X

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

Y

Yoldia
- † Yoldia microdonta

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

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List of the Mesozoic life of Kansas

Contents

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

X

Y

References