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.

Fossilized shell of the Late Cretaceous ammonoid cephalopod Acanthoscaphites
Fossilized skeleton of the Late Cretaceous bony fish Apsopelix
Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird
Fossilized shell of the Late Cretaceous ammonoid cephalopod Calycoceras
Life restoration of the Late Cretaceous mosasaurid Clidastes
Restoration of the Late Cretaceous shark Cretoxyrhina , or the Ginsu shark
Life restoration of the Late Cretaceous plesiosaur Elasmosaurus with an anachronistic human to scale
Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens
Life restoration of the Late Cretaceous toothed bird Hesperornis
Restoration of the Late Cretaceous toothed bird Ichthyornis
Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
A modern Linuparus spiny lobster
Fossilized shell of the Devonian-modern marine bivalve Modiolus , or horsemussel
Restoration of the Late Cretaceous pterosaur Nyctosaurus
Shell of an Ostrea , or oyster
Restoration of the Late Cretaceous mosasaur Platecarpus
Life restoration of the Late Cretaceous polycotylid plesiosaur Polycotylus giving birth
Life restoration of the Late Cretaceous pterosaur Pteranodon
A living Rhinobatos guitar fish
Illustration of a fossilized cranium of the Late Cretaceous armored dinosaur Silvisaurus
Animated life restoration of the Late Cretaceous plesiosaur Styxosaurus
Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys
Restoration of the Late Cretaceous mosasaur Tylosaurus
Fossils of the Late Cretaceous crinoid ("sea lily") Uintacrinus
Life restoration of the Cretaceous bony fish Xiphactinus