page_title: List of the prehistoric life of Kansas
section_title: Selected Mesozoic taxa of Kansas
hierarchical_section_title: List of the prehistoric life of Kansas / Mesozoic / Selected Mesozoic taxa of Kansas
caption_attribution_description: English: Styxosaurus swim cycle
context_page_description: This list of the prehistoric life of Kansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kansas.
context_section_description: †Acanthoscaphites – tentative report
  †Acanthoscaphites reesidei
  †Alzadasaurus – type locality for genus
  †Ampullina
  †Anomia
  †Apateodus
  †Apatornis
  †Apatornis celer – type locality for species
  †Apsopelix
  †Apsopelix anglicus
  Aralia
  Arundo
  †Asplenium
  †Aviculopecten
  †Aviculopecten occidentalis
   †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
  Botula
  †Botula carolinensis
   †Brachauchenius – type locality for genus
  †Brachauchenius lucasi – type locality for species
  Brachidontes
  Cadulus
  †Calycoceras
  Carcharias
  Cardita
  †Cassiope
  †Ceratophyllum
  Chiloscyllium
  †Chondrites
  †Cimolichthys
  †Cimolichthys nepaholica
  Cladophlebis
  †Claosaurus
  †Claosaurus agilis – type locality for species
   †Clidastes
  †Clidastes liodontus
  †Clidastes velox
  Cliona
  †Collignoniceras
  †Collignoniceras woollgari
  †Coniasaurus
  Corbula
  Crassostrea
  †Cretolamna
  †Cretolamna appendiculata
   †Cretoxyrhina
  †Cretoxyrhina mantelli
  Ctenochelys
  Cucullaea
  †Cycadeoidea
  †Dakotasuchus – type locality for genus
  †Dakotasuchus kingi – type locality for species
  †Dawndraco – type locality for genus
  †Dawndraco kanzai – type locality for species
  †Desmatochelys
  †Discoscaphites
  †Dolichorhynchops – type locality for genus
  †Dolichorhynchops osborni – type locality for species
  †Durania
  †Ectenosaurus
  †Ectenosaurus clidastoides
   †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
  †Euspira
  †Fagus
  †Gegania
  †Gervillia
  †Gervillia mudgeana
  †Gervillia mudgenana
   †Gillicus
  †Gillicus arcuatus
  Gleichenia
  †Globidens
  †Gryphaea
  †Gryphaea corrugata
  †Gryphaea hilli
  †Gryphaea mucronata
  †Gryphaea navia
  †Halisaurus
  †Halisaurus sternbergi – type locality for species
   †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
  †Hoploscaphites
  †Hoploscaphites nicolletii
  †Iaceornis
  †Iaceornis marshi – type locality for species
  †Ichthyornis – type locality for genus
  †Ichthyornis dispar – type locality for species
   †Inoceramus
  †Inoceramus cuvieri
  †Inoceramus ginterensis
  †Inoceramus tenuistriatus – tentative report
  †Ischyrhiza
  †Ischyrhiza mira
  †Jeletzkytes
  †Jeletzkytes nodosus
  †Leiosphaeridia
  †Leptostyrax
  †Linearis
  †Lingula
  Linuparus
  Lopha
  †Magnoavipes
  Marsilea
  †Mathilda
   †Megacephalosaurus – type locality for genus
  †Megacephalosaurus eulerti – type locality for species
  Membranipora
  †Modiolus
  †Niobrarasaurus
  †Niobrarasaurus coleii – type locality for species
  †Niobrarateuthis
  †Niobrarateuthis bonneri – type locality for species
  †Niobrarateuthis walkeri – type locality for species
  Nucula
   †Nyctosaurus
  †Nyctosaurus bonneri – type locality for species
  †Nyctosaurus gracilis – type locality for species
  †Nyctosaurus nanus – type locality for species
  †Ogmodirus – type locality for genus
  Ostrea
  †Pachyrhizodus
  †Pachyrhizodus caninus – or unidentified comparable form
  †Pachyrhizodus minimus
  †Parahesperornis – type locality for genus
  †Parahesperornis alexi – type locality for species
  †Pecten
  Pholadomya
  Pinus
  †Placenticeras
  †Placenticeras meeki
  Platanus
   †Platecarpus
  †Platecarpus planifrons – type locality for species
  †Platecarpus tympaniticus
  †Platyceramus
  †Platyceramus platinus
  †Platypterygius – or unidentified comparable form
  †Plesiochelys
  †Plesiosaurus
  Plicatula
   †Polycotylus – type locality for genus
  †Polycotylus latipinnis – type locality for species
  †Prisca – tentative report
  †Protocardia
  †Protosphyraena
  †Protosphyraena tenuis
  †Protostega
  †Pseudoperna
  †Pseudoperna congesta
   †Pteranodon – type locality for genus
  †Pteranodon comptus – type locality for species
  †Pteranodon longiceps – type locality for species
  †Pteranodon sternbergi – type locality for species
  †Pteria
  †Pterotr
caption: Animated life restoration of the Late Cretaceous plesiosaur Styxosaurus