List of the prehistoric life of Kansas
Appearance
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.
Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Kansas.
Paleozoic
Selected Paleozoic taxa of Kansas
†AcanthodesLife restoration of the Early Devonian-Permian "spiny shark" Acanthodes - †Achistrum
- †Acitheca
- †Acrodus – tentative report
- †Acroplous
- †Actiobates – type locality for genus
- †Actiobates peabodyi– type locality for species
- †
- †Agassizodus
- †Agassizodus variabilis
- †
- †Aglaocrinus
- †Alethopteris
- †Alethopteris grandini
- †Alethopteris serlii
- †
- Ammodiscus – tentative report
- †Amphiscapha
- † Ananias – tentative report
- †Annularia
- †Annularia asteris
- †Annularia mucronata
- †
- †Aphlebia
- Archaeolithophyllum
†Archaeovenator – type locality for genusLife restoration of the Carboniferous synapsid (mammal precursor) Archaeovenator - †Archaeovenator hamiltonensis– type locality for species
- †
- †Archimylacris
- †Aristoceras
- †Artisia
- †Asterotheca
- †Asterotheca miltoni– or unidentified comparable form
- †
- †Aviculopecten
- †Aviculopecten arctisulcatus
- †Aviculopecten mccoyi– type locality for species
- †Aviculopecten nodocosta
- †Aviculopecten occidentalis
- †Aviculopecten peculiaris– type locality for species
- †Aviculopecten sumnerensis– type locality for species
- †
†Belantsea – or unidentified comparable formRestoration of the Carboniferous Chimaera relative Belantsea - †Bellerophon
- †Bellerophon graphicus– type locality for species
- †
- †Blattoidea
- †Botryococcus
- †Calamites
- †Calamites cistii
- †
- †Callipteris
- †Callipteris conferta
- †Callipteris lyratifolia– tentative report
- †
- †Carbonita – tentative report
†CaseodusLife restoration of the Carboniferous Chimaera relative Caseodus - †Caseodus eatoni
- †
- †Chomatodus
- †Chonetes
- †Chonetes mesoloba
- †
- †Cladodus
- Cladophlebis
- †Cleiothyridina
- †Cleiothyridina orbicularis
- †
- †Composita
- †Composita elongata
- †Composita ovata
- †Composita subtilita
- †
- †Cordaicarpus
- †Cordaites
- †Cordaites principalis
- †
†CtenacanthusFossil of the Carboniferous shark Ctenacanthus - †Ctenacanthus amblyxiphias
- †
- †Cyathus
- †Cyclopteris
- †Cystodictya
- †Dentalium
- †Diplichnites
- †Diplichnites gouldi
- †
- †Ductilodon – type locality for genus
- †Dunbaria – type locality for genus
- †Echinaria
- †Edestus
- †Edestus heinrichi– or unidentified comparable form
- †
- †Edmondia
†Eocasea – type locality for genusLife restoration of the Carboniferous synapsid (mammal precursor) Eocasea - †Eocasea martini– type locality for species
- †
- †Eoscopus – type locality for genus
- †Eoscopus lockardi– type locality for species
- †
- †Euconcordia – type locality for genus
- †Fenestella
- †Fusulina
- †Geinitzina
- †Gervillia
- †Glenopteris
- †Glikmanius
- †Glikmanius occidentalis
- †
- †Glyptopleura
- †Gordia
- †Helminthopsis
- †Hybodus
†Ianthasaurus – type locality for genusRestoration of the Carboniferous synapsid (mammal precursor) Ianthasaurus - †Ianthasaurus hardestiorum– type locality for species
- †
- †Ianthodon – type locality for genus
- †Ianthodon schultzei– type locality for species
- †
- †Isogramma
- †Janassa
- †Kawichthys – type locality for genus
- †Kawichthys moodiei– type locality for species
- †
- †Kennedya– type locality for genus
- †Kirkella
- †Kouphichnium
- †Lepidodendron
- †Lingula
- †Lisca – type locality for genus
- †Lissodus
†ListracanthusRestoration of the Carboniferous-Early Triassic cartilaginous fish Listracanthus - Lithophaga
- †Lysorophus
- †Meganeuropsis – type locality for genus
- †Meganeuropsis permiana– type locality for species
- †
- †Megatypus – type locality for genus
- †Metacoceras
- †Minilya
- †Misthodotes – type locality for genus
- †Modiolus
- †Naticopsis
- †Neoaganides
- †Neospirifer
- †Neospirifer cameratus
- †Neospirifer dunbari
- †Neospirifer kansasensis
- †
- †Neuropteris
- †Neuropteris auriculata– tentative report
- †Neuropteris odontopteroides
- †Neuropteris ovata
- †Neuropteris scheuchzeri
- †
- †Noeggerathia
- †Norwoodia
- Nucula
†Ophiacodon – type locality for genusLife restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon - †Ophiacodon hilli– type locality for species
- †
- †Orodus
- †Orthacanthus
- †Palaeoniscus
- †Paleolimulus– type locality for genus
- †Pecopteris
- †Pecopteris hemitelioides
- †Pecopteris unita
- †
- †Petalodus
- †Petrolacosaurus – type locality for genus
- †Petrolacosaurus kansensis– type locality for species
- †
- †Phillipsia – tentative report
†PlatycerasFossilized shell of the Silurian-Early Triassic sea snail Platyceras - †Platysomus
- Pleurotomaria
- †Samaropsis
- †Sandalodus – or unidentified comparable form
- †Sigillaria
- †Sigillaria brardii
- †
- †Sphenophyllum
- †Sphenophyllum oblongifolium
- †Sphenophyllum stoukenbergi– or unidentified comparable form
- †Sphenophyllum thonii– or unidentified comparable form
- †
- †Sphenopteris
†Spinoaequalis – type locality for genusRestoration of the Carboniferous reptile Spinoaequalis - †Spirifer
- †Spirifer rockymontanus– tentative report
- †
- Spirorbis
- †Stemmatodus
- †Streptognathodus
- †Streptognathodus zethus
- †
- †Syringopora
- †Tetrataxis
- †Therates – type locality for genus
- †Treptichnus
- †Undichna
- †Urba– type locality for genus
†WalchiaFossilized foliage of the Carboniferous-Permian conifer Walchia - †Wilkingia
- †Worthenia
- †Xyrospondylus
- Yoldia
Mesozoic
Selected Mesozoic taxa of Kansas
†Acanthoscaphites – tentative reportFossilized shell of the Late Cretaceous ammonoid cephalopod Acanthoscaphites - †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
- †
†BaculitesFossilized shell of the Late Cretaceous ammonoid cephalopod 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 genusLife restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird - †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
- †
†ClidastesLife restoration of the Late Cretaceous mosasaurid Clidastes - †Clidastes liodontus
- †Clidastes velox
- †
- Cliona
- †Collignoniceras
- †Collignoniceras woollgari
- †
- †Coniasaurus
- Corbula
- Crassostrea
- †Cretolamna
- †Cretolamna appendiculata
- †
†CretoxyrhinaRestoration of the Late Cretaceous shark Cretoxyrhina, or the Ginsu shark - †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 genusLife restoration of the Late Cretaceous plesiosaur Elasmosaurus with an anachronistic human to scale - †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
- †
†GillicusRestoration of the Late Cretaceous bony fish 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 genusLife restoration of the Late Cretaceous toothed bird Hesperornis - †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
- †
†InoceramusFossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †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 genusFossilized skull of the Late Cretaceous plesiosaur Megacephalosaurus - †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
†NyctosaurusRestoration of the Late Cretaceous pterosaur 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
- Platanus
†PlatecarpusRestoration of the Late Cretaceous mosasaur Platecarpus - †Platecarpus planifrons– type locality for species
- †Platecarpus tympaniticus
- †
- †Platyceramus
- †Platyceramus platinus
- †
- †Platypterygius – or unidentified comparable form
- †Plesiochelys
- †Plesiosaurus
- Plicatula
†Polycotylus – type locality for genusLife restoration of the Late Cretaceous polycotylid plesiosaur Polycotylus giving birth - †Polycotylus latipinnis– type locality for species
- †
- †Prisca – tentative report
- †Protocardia
- †Protosphyraena
- †Protosphyraena tenuis
- †
- †Protostega
- †Pseudoperna
- †Pseudoperna congesta
- †
†Pteranodon – type locality for genusLife restoration of the Late Cretaceous pterosaur Pteranodon - †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
- †
- Quercus
- †Repichnia
- Rhinobatos
- †Rhinobatos incertus
- †
- †Rhizocorallium
- Sassafras
†ScapanorhynchusRestoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus - †Scapanorhynchus rhaphiodon
- †
- †Scaphites
- †Scolicia
- Scyliorhinus
- †Selmasaurus
- †Selmasaurus johnsoni– type locality for species
- †
- †Sequoia
- Serpula
- †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
†Styxosaurus – type locality for genusAnimated life restoration of the Late Cretaceous plesiosaur Styxosaurus - †Styxosaurus snowii– type locality for species
- †
- Tellina
- †Terminonaris
- †Toxochelys
- †Toxochelys latiremis
- †
- Trachycardium
- †Tragodesmoceras
- †Trinacromerum – type locality for genus
- †Trinacromerum bentonianum– type locality for species
- †
- Turritella
†TylosaurusRestoration of the Late Cretaceous mosasaur Tylosaurus - †Tylosaurus dyspelor
- †Tylosaurus kansasensis– type locality for species
- †Tylosaurus proriger
- †
- †Uintacrinus
- †Uintacrinus socialis
- †
- †Urenchelys
†XiphactinusFish in a fish specimen - †Xiphactinus audax
- †
- Yoldia
Cenozoic
Selected Cenozoic taxa of Kansas
- Acris
- †Acris crepitans
- †
- †Adelphailurus
†AelurodonFossilized skull of the Miocene bone-crushing dog Aelurodon - Agkistrodon
- †Agriocharis
- †Agriotherium
- †Alforjas
- †Allogona
- †Ambystoma
- †Ambystoma maculatum
- †Ambystoma tigrinum
- †
†AmebelodonLife restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932). - Amia
- †Amia calva
- †
- †Amphimachairodus
- Anas
- †Anas crecca
- †
- †Aphelops
- Aplodinotus
- †Aplodinotus grunniens– or unidentified comparable form
- †
- †Arctodus
- †Arctodus pristinus – or unidentified comparable form
- †Arctodus simus
- †Astrohippus
- Baiomys
- †Barbourofelis
- Bassariscus
- Bison
- †Bison antiquus – type locality for species
- †Bison bison
†Bison latifronsMounted fossilized skeleton of the Pleistocene Bison latifrons, also known as the giant bison or long-horned bison
- Blarina
- †Blarina brevicauda
- †Blarina carolinensis
- †
- †Borophagus
- †Borophagus diversidens
- †Borophagus hilli
- †Borophagus pugnator
- †Borophagus secundus – type locality for species
- Botaurus
- Bufo
- †Bufo cognatus
- †Bufo hemiophrys
- †Bufo marinus
- †Bufo woodhousei
- †
- †Calippus
†CamelopsLife restoration of the Pliocene-Holocene camel Camelops - Candona
- Canis
- †Canis armbrusteri
- †Canis dirus
- †Canis edwardii
- †Canis ferox
- †Canis latrans
- †Canis lepophagus
- †
- †Capromeryx
- †Carpocyon
- Carychium
- Castor
- †Castor canadensis
- †
- †Castoroides
- †Castoroides ohioensis– or unidentified comparable form
- †
- †Catostomus
- †Catostomus commersoni
- †
- Celtis
- Ceratogaulus
- †Ceratogaulus hatcheri
- †Ceratogaulus minor
- †
- †Cervalces
- Cervus
- †Cervus elaphus
- †
- Chaetodipus
- †Chaetodipus hispidus
- †
- Chara
- †Chasmaporthetes
- Chelydra
- Chelydra serpentina
- Chrysemys
- †Chrysemys picta
- †
- †Cionella
- †Cionella lubrica
- †
- Clethrionomys
- †Clethrionomys gapperi
- †
- Cnemidophorus
- †Cnemidophorus sexlineatus
- †
- Coluber
- †Coluber constrictor
- †
†CosoryxFossilized skull of the Miocene pronghorn Cosoryx - †Cosoryx furcatus
- †
- Crotalus
- †Cryptantha
- Cryptotis
- †Cryptotis parva
- †
- Cynomys
- †Cynomys gunnisoni– or unidentified comparable form
- †Cynomys ludovicianus
- †
- Deroceras
- Diadophis
- †Diadophis punctatus
- †
†DinohippusMounted fossilized skeleton of the Miocene-Pliocene horse Dinohippus - Dipodomys
- †Dipodomys ordii– or unidentified comparable form
- †
- †Dipoides
- Discus
- Egretta
- Elaphe – type locality for genus
- †Elaphe obsoleta
- †Elaphe vulpina
- †
- Emydoidea
- †Epicyon
- †Epicyon haydeni
- †
- Equus
- †Equus conversidens
- †Equus francisci
- †Equus giganteus – or unidentified comparable form
- †Equus niobrarensis
- †Equus scotti
- Equus simplicidens
- †Eucastor
- †Euconulus
- †Eucyon
- †Eucyon davisi
- †
- Eumeces
- †Eumeces fasciatus
- †Eumeces obsoletus
- †Eumeces septentrionalis
- †
- Felis
- Ferrissia
- †Fundulus
- Gastrocopta
- Geochelone
- Geomys
- †Geomys bursarius
- †
- Gerrhonotus
- †Gigantocamelus
- †Gnathabelodon
†GomphotheriumMounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium - Gopherus
- Graptemys
- †Graptemys geographica
- †
- Grus
- †Grus americana
- †
- Gyraulus
- Hawaiia
- Helicodiscus
- Helisoma
- †Helisoma anceps
- †Helisoma trivolvis
†HemiaucheniaFossilized lower jaw of the Miocene-Pleistocene llama relative Hemiauchenia - †Hemiauchenia macrocephala
- †
- †Hesperotestudo
- Heterodon
- †Heterodon nasicus
- †Heterodon platyrhinos
- †
- †Hipparion
- †Hippotherium
- Holbrookia
†HolmesinaLife restoration of the Pleistocene armadillo relative Holmesina with a human to scale - Homo
- †Homo sapiens
- †
- †Homotherium
- †Homotherium serum
- †
- Hyla
- †Hyla cinerea– or unidentified comparable form
- †Hyla gratiosa– or unidentified comparable form
- †Hyla squirella– or unidentified comparable form
- †Hyla versicolor
- †
†HypohippusLife restoration of the Miocene horse Hypohippus. Heinrich Harder (1920). - †Hypolagus
- Ictalurus
- †Ictalurus melas
- †Ictalurus punctatus
- †
- †Ictiobus
- †Ischyrocyon – tentative report
- Kinosternon
- †Kinosternon flavescens
- †Kinosternon subrubrum
- †
- Lampropeltis
- †Lampropeltis calligaster
- †Lampropeltis getulus
- Lasiurus
- †Lasiurus cinereus
- †
- Lepisosteus
- †Lepisosteus osseus
- †Lepisosteus platostomus– tentative report
- †
- Lepomis
- †Lepomis cyanellus
- †Lepomis humilis– or unidentified comparable form
- †
†LeptocyonIllustration of a fossilized skull of the Oligocene-Miocene dog Leptocyon - Lepus
- †Lepus californicus– or unidentified comparable form
- †
- †Longirostromeryx
- Lontra
- †Lontra canadensis
- †
- Lymnaea
- Lynx
- †Machairodus
- Macrochelys
- †Macrochelys temminckii
- †
- †Mammut
- †Mammut americanum
- †
- †Mammuthus
- Mammuthus columbi
- Martes
- †Megalonyx
- †Megalonyx jeffersonii
- †Megalonyx leptostomus
- †
- †Megantereon
- †Megatylopus
- †Menetus
- Mephitis
- †Mephitis mephitis– tentative report
- †
- †Merychyus
- Micropterus
- †Micropterus punctulatus– or unidentified comparable form
- †
- Microtus
- †Microtus ochrogaster
- †Microtus pennsylvanicus
- †
- †Minytrema– tentative report
- Musculium
- Mustela
- †Mustela richardsonii – or unidentified comparable form
- †Mylagaulus
†MylohyusFossilized skeleton of the Pliocene-Holocene peccary Mylohyus - †Mylohyus fossilis
- †
- Myotis
- †Nannippus
- †Nassella
- Neofiber
- Neogale
- †Neogale frenata – or unidentified comparable form
- †Neogale vison
- †Neohipparion
- Neotoma
- †Neotoma floridana– or unidentified comparable form
- †Neotoma micropus
- †
- Nerodia
- †Nerodia sipedon
- †
- Nesovitrea
- †Nimravides
†NothrotheriopsLife restoration of the Pleistocene ground sloth Nothrotheriops - Notiosorex
- †Notiosorex crawfordi
- †
- †Notropis – tentative report
- Odocoileus
- Ondatra
- †Ondatra zibethicus
- †
- Onychomys
- †Onychomys leucogaster– or unidentified comparable form
- †
- Ophisaurus
- †Ophisaurus attenuatus
- †
- Ortalis
- Oryzomys
- †Oryzomys palustris
- †
- †Panicum
- †Panicum elegans
- †
- Panthera
- †Panthera leo
- †
†ParamylodonFossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon - †Paramylodon harlani
- †
- †Pediomeryx
- †Peraceras
- Perca
- †Perca flavescens
- †
- Perognathus
- Peromyscus
- Phenacomys
- †Phenacomys intermedius– or unidentified comparable form
- †
- Phrynosoma
- †Phrynosoma cornutum
- †
- Physa
- Pisidium
- Pituophis
†PlatybelodonMounted fossilized skeleton of the Miocene elephant relative Platybelodon - †Platygonus
- †Platygonus compressus – or unidentified comparable form
- Plegadis – or unidentified comparable form
- †Pleiolama
- †Plesiogulo
- †Pliohippus
- †Pomoxis
- †Potamocypris
- †Pratifelis
- †Pratifelis martini – type locality for species
- †Procamelus
- †Procastoroides
- Procyon
- †Procyon lotor
- †
†ProtohippusFossilized skeleton of the Miocene horse Protohippus - †Protolabis
- Pseudacris
- †Pseudacris triseriata
- †
- Pseudemys
- †Pseudhipparion
- Puma
- †Puma concolor
- †
- Pupilla
- Pupoides
†RamocerosLife restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx. Robert Bruce Horsfall (1913). - †Rana
- †Rana areolata– or unidentified comparable form
- †Rana catesbeiana
- †Rana pipiens
- †
- †Rana areolata– or unidentified comparable form
- †Rana catesbeiana
- †Rana pipiens
- †
- †Regina
- Reithrodontomys
- †Reithrodontomys humulis
- †Reithrodontomys megalotis
- †Reithrodontomys montanus– or unidentified comparable form
- †
- Rhinocheilus – tentative report
- †Rhinocheilus lecontei
- †
†RhynchotheriumRestoration of the Miocene-Pliocene elephant relative Rhynchotherium - †Satherium
- Scalopus
- †Scalopus aquaticus
- †
- Scaphiopus
- Sceloporus
- †Sceloporus undulatus
- †
- †Semotilus
- †Semotilus atromaculatus – or unidentified comparable form
- Sigmodon
- Sistrurus
- †Sistrurus catenatus
- †
†SmilodonLife restoration of the Pleistocene-Holocene saber-tooth cat Smilodon - †Soergelia
- †Soergelia mayfieldi– or unidentified comparable form
- †
- Sorex
- †Sorex arcticus
- †Sorex cinereus
- †Sorex palustris
- †
- Spea
- †Spea bombifrons
- †
- Spermophilus
- †Spermophilus franklinii– or unidentified comparable form
- †Spermophilus richardsonii
- †Spermophilus tridecemlineatus
- †
- Sphaerium
- Spilogale
- †Spilogale putorius
- †
- Stagnicola
†StegomastodonMounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon - †Stegomastodon mirificus
- †
- †Stenotrema
- Sternotherus
- Storeria
- †Storeria dekayi– or unidentified comparable form
- †
- Succinea
- †Succinea ovalis
- †
- Sylvilagus
- †Sylvilagus floridanus
- †
- Synaptomys
- Tapirus
- Taxidea
- †Taxidea taxus
- †
†TeleocerasMounted fossilized skeleton of the Miocene-Pliocene rhinoceros Teleoceras - Terrapene
- †Terrapene carolina
- †
- Thamnophis
- †Thamnophis proximus
- †Thamnophis radix
- †Thamnophis saurita – or unidentified comparable form
- †Thamnophis sirtalis
- Thomomys
- †Thomomys talpoides
- †
- Trachemys
- Trachemys scripta
- †Trigonictis
- Trionyx
- Tropidoclonion
- †Tropidoclonion lineatum
- †
- Tympanuchus – or unidentified comparable form
- Urocyon
- †Urocyon cinereoargenteus
- †Urocyon progressus
- †
- †Ustatochoerus
- Vallonia
- Valvata
- Vertigo
- Vulpes
- Vulpes velox
- Zapus
- †Zapus hudsonius
- †
- Zonitoides
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.