# 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

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* †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

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* 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

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* 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

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* †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

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* †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

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

## G

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* †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

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* †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

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* †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

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

## K

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

## L

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* †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

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* †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

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* †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

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* †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

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* †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

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* Quercus

## R

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

## S

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* †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

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* 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

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

## V

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* †Vitiphyllum

## X

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

## Y

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* Yoldia
** †Yoldia microdonta