List of the prehistoric life of Texas
This list of the prehistoric life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas.
Precambrian
The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.
Paleozoic
Selected Paleozoic taxa of Texas
- †Acheloma – type locality for genus
Restoration of the Permian amphibian Acheloma- †Acheloma cumminsi – type locality for species
- †Achistrum
- †Achistrum ludwigi – type locality for species
- †Acrodus – tentative report
- †Acrodus olsoni – type locality for species
- †Acrodus sweetlacruzensis – type locality for species
- †Actinoconchus
- †Acutichiton
- †Adamantina
- †Adrianites – tentative report
- †Agathiceras
- †Agathiceras applini – type locality for species
- †Alegeinosaurus
- †Alethopteris
- †Almites
- †Altudoceras
- †Alveus – type locality for genus
- †Amphiscapha
- †Amplexus – report made of unidentified related form or using admittedly obsolete nomenclature
- Amusium – tentative report
Fossilized shell of the Carboniferous-modern scallop Amusium - †Ananias
- †Anatsabites
- †Angelosaurus – type locality for genus
- †Angelosaurus dolani – type locality for species
- †Anisodexis
- †Annularia
- †Annularia stellata – or unidentified comparable form
- †Anomalesia
- †Anomphalus
- †Aphetoceras
- †Aphlebia
- †Apsisaurus – type locality for genus
- †Apsisaurus witteri – type locality for species
- †Araeoscelis – type locality for genus
Life restoration of the Permian reptile Araeoscelis - †Archaeocidaris
- Archaeolithophyllum
- †Archeria – type locality for genus
- †Archeria crassidisca – type locality for species
- †Archimedes
- †Arcuolimbus
- †Aristoceras
- †Armenoceras
- †Artisia
- †Aspidosaurus – type locality for genus
- †Athyris
- †Aulopora – report made of unidentified related form or using admittedly obsolete nomenclature
- †Aviculopecten
Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten- †Aviculopecten ballingerana
- †Aviculopecten girtyi – type locality for species
- †Aviculopecten gryphus – type locality for species
- †Aviculopecten occidentalis
- †Aviculopecten sumnerensis
- †Avonia
- †Barnesoceras – type locality for genus
- †Bathyglyptus – type locality for genus
- †Bellerophon – tentative report
- †Bellerophon
- †Bembexia
- †Bitaunioceras
- †Blountiella
- †Bolosaurus – type locality for genus
Illustration of a fossilized skull of the Permian primitive reptile Bolosaurus- †Bolosaurus major – type locality for species
- †Bolosaurus striatus – type locality for species
- †Brachydectes
- †Brachyphyllum – tentative report
- †Branneroceras
- †Broiliellus – type locality for genus
- †Broiliellus brevis – type locality for species
- †Broiliellus olsoni – type locality for species
- †Broiliellus texensis – type locality for species
- †Burenoceras
- †Cacops
Life restoration of the Permian amphibian Cacops- †Cacops aspidephorus – type locality for species
- †Calamites
- †Callipteridium
- †Callipteris
- †Calophyllum – tentative report
- †Camarotoechia
- †Captorhinus – type locality for genus
- †Captorhinus aguti – type locality for species
- †Carbonicola
- †Cardiocephalus – type locality for genus
- †Cardiocephalus sternbergi – type locality for species
- †Carrolla – type locality for genus
- †Casea – type locality for genus
Life restoration of the Permian synapsid (mammal precursor) Casea- †Casea broilii – type locality for species
- †Caseoides – type locality for genus
- †Caseopsis
- †Cassiavellia – type locality for genus
- †Cassiavellia galtarae – type locality for species
- †Catenipora
- †Cedaria
- †Chancelloria – tentative report
- †Chonetes
- †Chonetes flemingi – tentative report
- †Chonetes verneuilianus
- †Cibolites – type locality for genus
- †Clarkoceras
- †Cleiothyridina
Fossilized shell of the Middle Devonian-Permian brachiopod Cleiothyridina- †Cleiothyridina mulsa
- †Cleiothyridina nana
- †Cleiothyridina pilularis
- †Cleiothyridina rara
- †Cleiothyridina rectimarginata – type locality for species
- †Climacograptus
- †Clitendoceras
- †Clonograptus
- †Coenocystis – type locality for genus
- †Collemataria – type locality for genus
- †Composita
Fossilized shell of the Late Devonian-Permian brachiopod Composita- †Composita affinis
- †Composita apheles – type locality for species
- †Composita apsidata
- †Composita bucculenta – type locality for species
- †Composita costata
- †Composita cracens
- †Composita crassa – type locality for species
- †Composita discina
- †Composita emarginata
- †Composita enormis – type locality for species
- †Composita imbricata – type locality for species
- †Composita mexicana
- †Composita mira
- †Composita nucella
- †Composita ovata
- †Composita parasulcata – type locality for species
- †Composita pilula
- †Composita prospera
- †Composita pyriformis
- †Composita quantilla
- †Composita stalagmium
- †Composita strongyle – type locality for species
- †Composita subcircularis
- †Composita subtilita
- †Conjunctio
- †Conocardium – tentative report
- †Cooperoceras – type locality for genus
- †Coosella
- †Coosia
- †Cordaites
- †Cotteroceras
- †Cotylorhynchus
Life restoration of the Permian synapsid (mammal precursor) Cotylorhynchus- †Cotylorhynchus hancocki – type locality for species
- Crania
- †Cravenoceras – tentative report
- †Cricotus
- †Crossotelos
- †Ctenacanthus
- †Ctenacanthus amblyxiphias – type locality for species
- †Ctenospondylus – type locality for genus
- †Cylicioscapha
- †Cypricardinia – tentative report
- †Cyptendoceras
- †Cystothalamia – type locality for genus
- †Dadoxylon
- †Dakeoceras – tentative report
- †Dasyceps
- †Deiracephalus
- Dentalium
- †Diadectes – type locality for genus
- †Dimacrodon – type locality for genus
- †Dimetrodon – type locality for genus
Restoration of D. giganhomogenes with exposed neural spine tips- †Dimetrodon booneorum – type locality for species
- †Dimetrodon dollovianus – type locality for species
- †Dimetrodon gigashomogenes – type locality for species
- †Dimetrodon grandis – type locality for species
- †Dimetrodon kempae – type locality for species
- †Dimetrodon limbatus – type locality for species
- †Dimetrodon loomisi – type locality for species
- †Dimetrodon macrospondylus – type locality for species
- †Dimetrodon milleri – type locality for species
- †Dimetrodon natalis – type locality for species
- †Diplocaulus – type locality for genus
- †Diplocaulus magnicornis – type locality for species
- †Diraphora
- †Dissorophus – type locality for genus
- †Dissorophus multicinctus – type locality for species
- †Domatoceras
- †Driveria – type locality for genus
- †Echinaria
- †Ectenolites
- †Edaphosaurus – type locality for genus
Life restoration of the Permian synapsid (mammal precursor) Edaphosaurus- †Edaphosaurus boanerges
- †Edaphosaurus cruciger – or unidentified related form
- †Edaphosaurus pogonias – type locality for species
- †Edestus
- †Edmondia
- †Edops
- †Ellesmeroceras
- †Empedias
- †Endoceras
- †Endolobus
- Eocaudina
- †Eosyodon – type locality for genus
- †Eothyris – type locality for genus
- †Eothyris parkeyi – type locality for species
- †Eowellerites
- †Epiphyton
- †error
- †Error
- †Eryops – type locality for genus
Life restoration of the Carboniferous-Permian amphibian Eryops- †Eryops megacephalus – type locality for species
- †Estheria
- †Euomphalus
- †Euryodus – type locality for genus
- †Euryodus primus – type locality for species
- †Exovasa – type locality for genus
- †Exovasa cystauletoides – type locality for species
- †Fenestella
- †Fusulina – report made of unidentified related form or using admittedly obsolete nomenclature
- †Gastrioceras
- †Geinitzina
- †Genevievella
- †Geragnostus
- †Gerobatrachus – type locality for genus
Life restoration of the Permian frog precursor Gerobatrachus- †Gerobatrachus hottoni – type locality for species
- †Gervillia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Girvanella
- †Glaucosaurus – type locality for genus
- †Glaucosaurus megalops – type locality for species
- †Glikmanius
- †Gnathorhiza
- †Goniatites
- †Gorgodon – type locality for genus
- †Gorgodon minutus – type locality for species
- †Grewingkia
- †Guadalupia
- †Guadalupia auricula – type locality for species
- †Guadalupia cupulosa – type locality for species
- †Guadalupia microcamera – type locality for species
- †Guadalupia ramescens – type locality for species
- †Guadalupia vasa – type locality for species
- †Gypospirifer – type locality for genus
- †Helicoconchus – type locality for genus
- †Helicoprion
Life restoration of the Permian Chimaera relative Helicoprion - †Helminthochiton
- †Hercosestria
- †Hoffmannia – report made of unidentified related form or using admittedly obsolete nomenclature
- †Homagnostus
- †Hybodus
- †Hypseloconus
- †Icriodus
- †Incisimura – type locality for genus
- †Incisimura bella – type locality for species
- †Isodectes
Life restoration of the Permian amphibian Isodectes - †Isogramma
- †Janassa
- †Jeffersonia
- †Jinogondolella
- †Kingstonia
- †Knoxosaurus – type locality for genus
- †Kockelella
- †Komia
- †Labidosaurikos
- †Labidosaurus
- †Lambeoceras
- †Lepidophyllum
- †Levisoceras
- †Limbella
- Lingula
- †Liroceras
- †Llanoaspis
- †Lysorophus
Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior - †Martinia
- †Mastersonia – type locality for genus
- †Mcqueenoceras
- †Metacoceras
- †Metalegoceras
- †Meteoraspis
- †Metoptoma
- †Michelinoceras – tentative report
- †Micraroter – tentative report
- †Microbaltoceras – type locality for genus
- †Minilya
- †Murchisonia
- †Mycterosaurus – type locality for genus
Life restoration of the Permian synapsid (mammal precursor) Mycterosaurus- †Mycterosaurus longiceps – type locality for species
- †Nanobamus – type locality for genus
- †Naticopsis
- †Naticopsis judithae
- †Naticopsis remex
- †Naticopsis transversa – type locality for species
- †Neldasaurus
- †Neoaganides
- †Neocalamites – or unidentified comparable form
- †Neospirifer
Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer- †Neospirifer amphigyus – type locality for species
- †Neospirifer apothescelus – type locality for species
- †Neospirifer bakeri – type locality for species
- †Neospirifer cameratus – tentative report
- †Neospirifer formulosus
- †Neospirifer huecoensis – type locality for species
- †Neospirifer kansasensis
- †Neospirifer mansuetus
- †Neospirifer neali
- †Neospirifer notialis
- †Neospirifer placidus
- †Neospirifer triplicatus
- †Neospirifer venezuelensis
- †Neuropteris
- †Neuropteris cordata – tentative report
- †Nielsenoceras
- †Norwoodia
- Nucula – report made of unidentified related form or using admittedly obsolete nomenclature
- †Nybyoceras
- †Olenus
- †Ophiacodon – type locality for genus
Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon- †Ophiacodon major – type locality for species
- †Ophiacodon retroversus – type locality for species
- †Ophiacodon uniformis – type locality for species
- †Ormoceras
- †Orodus
- †Orthacanthus
- †Ostodolepis – type locality for genus
- †Oulodus
- †Ozarkodina
- †Pachylyroceras
- †Paladin
- †Palaeoniscus – tentative report
- †Pantylus – type locality for genus
- †Pantylus cordatus – type locality for species
- †Paraceltites
- †Parafusulina
- †Paralegoceras
- †Paraschwagerina
- †Pariotichus – type locality for genus
- †Parioxys – type locality for genus
- Patella – tentative report
- †Pecopteris
Fossils of the Late Devonian-Permian fern-like fronds Pecopteris - †Pedanochiton – type locality for genus
- †Pelodosotis – type locality for genus
- †Pelodosotis elongatum – type locality for species
- †Peripetoceras
- †Petalodus
- †Phlegethontia – tentative report
- †Phonerpeton
- †Phonerpeton pricei – type locality for species
- †Pinnularia
- †Plaesiomys
- †Plagiostoma – report made of unidentified related form or using admittedly obsolete nomenclature
- †Platyceras
- †Platyhystrix – or unidentified comparable form
Life restoration of the Carboniferous-Permian sail-backed amphibian Platyhystrix - †Plectronoceras
- †Pleuronautilus
- Pleurotomaria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Plicochonetes
- †Posidonia
- Priscopedatus
- †Prodentalium
- †Prostacheoceras
- †Prostacheoceras skinneri – type locality for species
- †Protocaptorhinus – type locality for genus
- †Protocaptorhinus pricei – type locality for species
- †Protorothyris – type locality for genus
- †Protorothyris archeri – type locality for species
- †Psaronius
Life restoration of the Devonian-Permian tree fern Psaronius. Auguste Faguet (1877). - †Pseudomelania – report made of unidentified related form or using admittedly obsolete nomenclature
- Pteria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pterochiton
- †Pugnax
- †Quadratia
- †Quasicaecilia – type locality for genus
- †Rananasus
- †Rayonnoceras
- †Reiszorhinus – type locality for genus
- †Retaria – report made of unidentified related form or using admittedly obsolete nomenclature
- †Rhabdiferoceras
- †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Ribeiria
- †Rioceras
- †Romeria – type locality for genus
- †Romeria prima – type locality for species
- †Romeria texana – type locality for species
- †Rota
- †Rubeostratilia – type locality for genus
Life restoration of the Permian amphibian Rubeostratilia - †Rugaria
- †Ruthenoceras – report made of unidentified related form or using admittedly obsolete nomenclature
- †Sagenodus
- †Sallya
- †Samaropsis
- †Sauropleura
- †Scapanops – type locality for genus
- †Scapanops neglecta – type locality for species
- †Schwagerina
- †Secodontosaurus
- †Secodontosaurus obtusidens – type locality for species
- Serpula – tentative report
- †Seymouria – type locality for genus
Fossilized skeleton of the Permian primitive four-limbed animal Seymouria- †Seymouria baylorensis – type locality for species
- †Shouchangoceras
- †Sigillaria
- †Slaugenhopia – type locality for genus
- Solemya – tentative report
- †Solenochilus
- †Solenopora
- †Spermatodus
- †Sphenacanthus
Life restoration of the Late Devonian-Permian Sphenacanthus - †Sphenophyllum
- †Sphenopteris
- †Spica
- †Spirifer
- Spirorbis
- †Stearoceras
- †Steppesaurus – type locality for genus
- †Stereophallodon – type locality for genus
- †Stereophallodon ciscoensis – type locality for species
- †Stethacanthus
Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus - †Strepsodiscus
- †Strophomena
- †Syringopora – tentative report
- †Tainoceras
- †Tappenosaurus – type locality for genus
- †Tappenosaurus magnus – type locality for species
- †Tarphyceras
- †Terebratula – report made of unidentified related form or using admittedly obsolete nomenclature
- †Tersomius – type locality for genus
- †Tersomius texensis – type locality for species
- †Tesnusocaris – type locality for genus
- †Tesnusocaris goldichi – type locality for species
- †Tetraceratops – type locality for genus
Restorative portrait of the Permian synapsid (mammal precursor) Tetraceratops- †Tetraceratops insignis – type locality for species
- †Tetrataxis
- †Texoceras
- †Trichasaurus – type locality for genus
- †Trichasaurus texensis – type locality for species
- †Tricrepicephalus
- †Trimerorhachis
- †Trimerorhachis greggi – type locality for species
- †Trimerorhachis insignis – type locality for species
- †Triproetus
- Trochus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Tunstallia – report made of unidentified related form or using admittedly obsolete nomenclature
- Turbo – report made of unidentified related form or using admittedly obsolete nomenclature
- †Varanops
- †Varanops brevirostris – type locality for species
- †Varanosaurus – type locality for genus
Mounted fossilized skeleton of the Permian synapsid (mammal precursor) Varanosaurus- †Varanosaurus acutirostris – type locality for species
- †Vidria
- †Waagenina
- †Waagenoceras
- †Waggoneria – type locality for genus
- †Walchia
- †Wattia – type locality for genus
- †Wilkingia
- †Worthenia
- †Wurmiella
- †Xenacanthus
- †Xyloiulus – tentative report
- Yoldia – tentative report
- †Zatrachys
Life restoration of the Permian amphibian Zatrachys
Mesozoic
Selected Mesozoic taxa of Texas
- †Acanthoceras
Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Acanthoceras - Acesta
- Acirsa
- Acmaea
- †Acompsoceras
- †Acrocanthosaurus
Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus - Acteon
- †Acteonella
- †Adelobasileus – type locality for genus
- †Adelobasileus cromptoni – type locality for species
- †Adkinsia
- †Adocus
- †Aenona
- †Aetodactylus – type locality for genus
- †Aetodactylus halli – type locality for species
- †Agerostrea
- †Agujaceratops
- †Agujaceratops mariscalensis – type locality for species
- †Akera
- †Alamosaurus
- †Albanerpeton
- †Allocrioceras
- Alnus
- †Alphadon
- †Alphadon halleyi – or unidentified comparable form
- †Ampullina – or unidentified comparable form
- Amusium
- †Anaklinoceras
- †Ancilla
- †Angistorhinus
- †Angulomastacator – type locality for genus
- †Angulomastacator daviesi – type locality for species
- †Anisoceras
- Anomia
- †Anomoeodus
- †Anomotodon
- †Apachesaurus
- Arca
- Architectonica
- †Arganodus
Restoration of the Late Triassic lungfish Arganodus with an anachronistic human to scale- †Arganodus dorotheae – type locality for species
- Arrhoges
- †Aspidoceras
- Astarte
- Astrangia
- Astreopora – tentative report
- †Astroconodon – type locality for genus
- †Astroconodon denisoni – type locality for species
- †Astrodon
- †Astrophocaudia – type locality for genus
- †Astrophocaudia slaughteri – type locality for species
- †Axonoceras
- †Baculites
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites- †Baculites aquilaensis - or unidentified loosely related form
- †Baculites haresi – or unidentified comparable form
- †Baculites ovatus
- †Baculites scotti
- †Baculites tippahensis
- †Baena – report made of unidentified related form or using admittedly obsolete nomenclature
- †Banis
- Barbatia – tentative report
- †Barroisiceras
- †Basilemys
- †Belemnitella
- †Belodon
- †Belonostomus
- †Bernissartia – tentative report
- †Betelgeusia – type locality for genus
- †Betelgeusia reidi – type locality for species
- †Bostrychoceras
- Botula
- †Brachauchenius
Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird - Brachidontes
- †Brachychampsa
- †Brachysuchus – type locality for genus
- †Brachysuchus megalodon – type locality for species
- †Bravoceratops – type locality for genus
- †Bravoceratops polyphemus – type locality for species
- †Brontopodus – type locality for genus
Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus - Busycon – tentative report
- Cadulus
- Caestocorbula
- Callianassa
- †Calliomphalus
- †Calyptosuchus – type locality for genus
- †Calyptosuchus wellesi – type locality for species
- Calyptraea
- Cancellaria
- Cantharus – tentative report
- †Caprina
Fossilized shell of the Cretaceous marine bivalve Caprina - Capulus
- Carcharias
- †Caririchnium
- Carota
- Caryophyllia
- †Caseosaurus – type locality for genus
- †Caseosaurus crosbyensis – type locality for species
- †Casierius
- †Catactegenys – type locality for genus
- †Caturus
- †Caveola
- †Cedarosaurus
- †Ceratodus
Life restoration of the Late Triassic-Eocene lungfish Ceratodus - Cerithiella
- †Cerithiella nodoliratum – or unidentified related form
- †Cerithiella semirugatum
- Cerithium
- †Chamops
- †Champsosaurus
- †Chindesaurus
- †Chinlea
- †Chirostenotes
- †Chupacabrachelys – type locality for genus
- Cidaris
- †Cimexomys
- †Cimoliasaurus
- †Cimoliopterus
Life restoration of the Late Cretaceous pterosaur Cimoliopterus (left) stealing fish from another pterosaur- †Cimoliopterus dunni – type locality for species
- †Cimolodon
- †Cimolodon electus – or unidentified comparable form
- †Cimolomys
- †Clevosaurus – or unidentified comparable form
- †Clidastes
- Cliona
- †Coahomasuchus – type locality for genus
- †Coahomasuchus kahleorum – type locality for species
- †Coelodus
- †Coelophysis
- †Coilopoceras
- †Collignoniceras
Fossilized shell of the Late Cretaceous ammonoid Collignoniceras - †Colognathus – type locality for genus
- †Coniasaurus
- †Continuoolithus
- †Conulus
- Corbicula
- Corbula
- †Coupatezia
- Crassostrea
- †Crenella
- †Cretolamna
Fossil of the Early Cretaceous-Eocene shark Cretolamna - †Cretorectolobus
- †Cretorectolobus olsoni – or unidentified comparable form
- †Crosbysaurus – type locality for genus
- †Crosbysaurus harrisae – type locality for species
- Cucullaea
- Cuspidaria
- †Cyathophora
- †Cyclothyris
- Cylichna
- †Cymatoceras
- †Cymella
- Cyzicus – tentative report
- †Dallasaurus – type locality for genus
- †Dallasaurus turneri – type locality for species
- Dasmosmilia
- †Dasmosmilia kochii – type locality for species
- Dasyatis
- †Deinosuchus
Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus- †Deinosuchus riograndensis
- †Deinosuchus rugosus – type locality for species
- Dentalium
- †Desmatosuchus
- †Desmatosuchus haplocerus
- †Desmatosuchus smalli – type locality for species
- †Desmatosuchus spurensis – type locality for species
- †Desmoceras
- Diodora – tentative report
- †Diphydontosaurus – or unidentified related form
- †Diploastrea
- Discorbis
- †Discoscaphites
- †Dolichorhynchops
- †Doswellia
- †Douvilleiceras
- †Dreissena
- †Dromomeron
Restoration of the Late Triassic dinosaur relative Dromomeron- †Dromomeron gregorii – type locality for species
- †Dryptosaurus
- †Dufrenoyia
- †Durania
- †Echinocorys
- †Ecphora
- †Ectenosaurus
- †Edmontonia – or unidentified comparable form
- †Elea – tentative report
- †Enchodus
Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring" - †Episcoposaurus – type locality for genus
- †Episcoposaurus haplocerus – type locality for species
- †Epitonium
- †Eubostrychoceras
- †Eucalycoceras
- †Eugyra
- †Euhoplites – tentative report
- †Eulima
- †Euomphaloceras
- †Eupachydiscus
- †Euspira
- †Eutrephoceras
- †Ewingia – type locality for genus
- †Exogyra
Fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra - †Fagesia
- †Faujasia
- †Favia
- †Flexomornis – type locality for genus
- †Flexomornis howei – type locality for species
- †Flickia
- †Forbesiceras
- †Forresteria
- Fusinus
- Galeorhinus
- Gastrochaena
- Gegania
- †Gervillia
- Ginglymostoma
- †Globidens
Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens - Globigerina
- Glossus
- Glycymeris
- †Glyptops – tentative report
- †Gobiates
- †Gryphaea
- †Gryposaurus – tentative report
- †Gypsichnites
- †Gyronchus
- Haminoea – tentative report
- †Hamites
- †Hamulus
- †Helicoceras
- †Hemicalypterus – tentative report
- Heterodontus
.JPG.webp)
A living Heterodontus, or bullhead shark - †Heteromorpha
- Hexanchus
- Homarus
- †Hoplochelys
- †Hoploscaphites
- †Hybodus
- †Hydnophora – tentative report
- †Hypophylloceras
- †Ichthyodectes
- †Ichthyornis
Restoration of the Late Cretaceous toothed bird Ichthyornis - †Idoceras
- †Iguanodon – or unidentified comparable form
- †Inoceramus
- †Inoceramus anomalus – or unidentified comparable form
- †Inoceramus arnoldi
- †Inoceramus arvanus
- †Inoceramus balticus
- †Inoceramus cordiformis – or unidentified comparable form
- †Inoceramus deformis
- †Inoceramus dimidius
- †Inoceramus fragilis
- †Inoceramus prefragilis
- †Inoceramus vanuxemi – tentative report
- †Irenesauripus
- †Isastrea
- †Ischyrhiza
- †Jeletzkytes
- †Kamerunoceras
- †Koskinonodon – type locality for genus
Life restoration at various ages of the Late Triassic amphibian Koskinonodon with an anachronistic human to scale - †Kritosaurus
- Lamna
- Latiaxis
- †Lepidotes
- Lepisosteus
- †Leptorhynchos – type locality for genus
- †Leptorhynchos gaddisi – type locality for species
- †Leptostyrax
- †Leptosuchus
- †Leptosuchus crosbiensis – type locality for species
- †Leptosuchus imperfecta – type locality for species
- †Leptosuchus studeri – type locality for species
- †Lewesiceras
- †Leyvachelys
- †Libognathus – type locality for genus
- †Libonectes
Life restoration of the Late Cretaceous plesiosaur Libonectes with an anachronistic scuba diver to scale- †Libonectes morgani – type locality for species
- Lima
- Limatula
- †Linearis
- Lingula
- †Linter
- †Linthia
- Linuparus
- †Lioestheria – tentative report
- Liquidambar – tentative report
- †Lissodus
- †Lithacoceras
- Lithophaga
- †Lonchidion
- †Longosuchus
Life restoration of the Late Triassic aetosaur Longosuchus- †Longosuchus meadei – type locality for species
- Lopha
- †Lucasuchus – type locality for genus
- †Lucasuchus hunti – type locality for species
- Lucina
- †Macrepistius
- †Magnoavipes – type locality for genus
- †Malerisaurus
- †Mammites
Fossilized shell of the Late Cretaceous ammonoid cephalopod Mammites - †Mantelliceras
- †Mariella
- †Mathilda
- Megalomphalus – or unidentified comparable form
- †Megalosauropus – tentative report
- Melanatria
- Membranipora
- †Meniscoessus
- †Menuites
- Mesalia
- †Mesodma
- †Metoicoceras
- †Metoicoceras geslinianum
- †Metoposaurus
Life restoration of the Late Triassic amphibian Metoposaurus with an anachronistic human to scale- †Metoposaurus bakeri – type locality for species
- †Micraster
- †Modiolus
- Monodonta – tentative report
- †Monopleura – tentative report
- †Morea
- †Mortoniceras
- †Mosasaurus
Life restoration of two of the Late Cretaceous Mosasaurus- †Mosasaurus missouriensis – tentative report
- †Mytilus
- †Naomichelys
- Natica
- Nebrius
- †Neithea
- †Neocardioceras
- †Neohibolites
Opalized guard of the belemnoid cephalopod Neohibolites - †Neoptychites
- †Nerinea – tentative report
- Nerita
- Neritina
- †Nostoceras
- Nucula
- †Nyssa
- †Odaxosaurus
- Odontaspis
- †Oklatheridium
- †Onchopristis
Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis - †Onchosaurus
- †Ophiomorpha
- †Ophiopsis – tentative report
- †Opis
- †Ornithomimus
- †Ostlingoceras
- Ostrea
- †Otischalkia – type locality for genus
- †Otischalkia elderae – type locality for species
- †Oxyrhina
- †Pachycheilosuchus – type locality for genus
- †Pachycheilosuchus trinquei – type locality for species
- †Pachydesmoceras
- †Pachydiscus
- †Pachygenelus
Restorative portrait of the Early Jurassic synapsid (mammal precursor) Pachygenelus - †Pachymelania
- Pagurus
- †Palaeobalistum
- †Palaeoctonus
- †Paleorhinus
- †Paleorhinus sawini – type locality for species
- †Paluxysaurus – type locality for genus. Now regarded as a junior synonym of Sauroposeidon.
- †Paluxysaurus jonesi – type locality for species. Now regarded as a junior synonym of Sauroposeidon proteles.
- †Paluxysuchus – type locality for genus
- †Paluxysuchus newmani – type locality for species
- †Panis
- Panopea
- †Pappotherium – type locality for genus
- †Paracimexomys
- †Paramicrodon – type locality for genus
- †Paranomia
- †Parapuzosia
Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size - †Parasuchus
- †Paratypothorax
- †Paronychodon
- †Paronychodon lacustris – or unidentified comparable form
- †Pawpawsaurus – type locality for genus
- †Pawpawsaurus campbelli – type locality for species
- †Pecten
- †Pekinosaurus – or unidentified related form
- Perna – report made of unidentified related form or using admittedly obsolete nomenclature
- Pholadidea
- Pholadomya
Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya - Pholas
- †Phymosoma
- †Phytosaurus
- †Pinna
- Pitar
- †Placenticeras
- †Planocephalosaurus
- †Platecarpus
- †Platecarpus planifrons
- †Platecarpus somenensis – or unidentified comparable form
- †Platecarpus tympaniticus
- †Platyceramus
- †Platyceramus cycloides
- †Platyceramus mantelli - or unidentified loosely related form
- †Platypterygius
Life restoration of the Early-Late Cretaceous ichthyosaur Platypterygius - †Plesiosaurus
- Pleurotomaria
- †Plicatoscyllium – type locality for genus
- Plicatula
- †Plioplatecarpus – tentative report
- Polinices
- †Pollex
- †Polyptychodon
- †Poposaurus
- †Porituberoolithus
- †Postosuchus – type locality for genus
Restoration of the Late Triassic crocodile relative Postosuchus with an anachronistic human to scale- †Postosuchus kirkpatricki – type locality for species
- †Procardia
- †Prognathodon – tentative report
- †Promystriosuchus – type locality for genus
- †Prosiren – type locality for genus
- †Protecovasaurus – type locality for genus
- †Protecovasaurus lucasi – type locality for species
- †Protoavis – type locality for genus
- †Protoavis texensis – type locality for species
- †Protocardia
- †Protohadros – type locality for genus
- †Protohadros byrdi – type locality for species
- †Protosphyraena
Life restoration of the Late Cretaceous bony fish Protosphyraena - †Pseudocorax
- †Pseudomelania
- †Pseudoperna
- †Pteranodon – or unidentified comparable form
- †Pteria
- †Pterotrigonia
- †Ptychotrygon
- †Puzosia
- Pycnodonte
- †Quetzalcoatlus – type locality for genus
Mounted fossilized skeleton of the Late Cretaceous pterosaur Quetzalcoatlus- †Quetzalcoatlus northropi – type locality for species
- †Quitmaniceras
- Raja
- †Rewaconodon – or unidentified related form
- Rhinobatos
- †Rhombodus
- †Richardoestesia
- †Richardoestesia gilmorei
- †Richardoestesia isosceles – type locality for species
- †Rileymillerus – type locality for genus
- Ringicula
- Rogerella
- †Romaniceras
- Rostellaria – tentative report
- †Russellosaurus – type locality for genus
- †Russellosaurus coheni – type locality for species
- †Rutiodon
- †Sargana
- †Sauroposeidon
Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale - †Saurornitholestes
- †Saurornitholestes langstoni – or unidentified comparable form
- †Sauvagesia – tentative report
- †Scapanorhynchus
- †Scapherpeton
- †Scaphites
- †Scaphites hippocrepis - or unidentified loosely related form
- †Scaphites warreni
- †Schizobasis
- Scintilla – tentative report
- †Sclerorhynchus
- Scyliorhinus
- †Selaginella – or unidentified comparable form
- †Seminola – tentative report
- †Semionotus – or unidentified comparable form
- †Senis
- Serpula
- †Serratolamna
- †Sexta
- †Shuvosaurus – type locality for genus
Life restoration of the Late Triassic distant crocodilian relative Shuvosaurus- †Shuvosaurus inexpectatus – type locality for species
- †Siderastrea
- †Sierritasuchus – type locality for genus
- †Sierritasuchus macalpini – type locality for species
- †Skolithos
- Solemya
- †Sphenodiscus
- †Spinosuchus – type locality for genus
- †Spinosuchus caseanus – type locality for species
- †Spironema
- Spondylus
- Squalicorax
- Squalus
- †Squatirhina
- †Struthiomimus – or unidentified comparable form
Life restoration of the Late Cretaceous ostrich dinosaur Struthiomimus - †Technosaurus – type locality for genus
- †Technosaurus smalli – type locality for species
- †Tecovasaurus – type locality for genus
- †Tecovasaurus murryi – type locality for species
- †Tecovasuchus – type locality for genus
- †Tecovasuchus chatterjeei – type locality for species
- Teinostoma
- Tellina
- †Tenea
- †Tenontosaurus
Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus- †Tenontosaurus dossi – type locality for species
- Teredolites
- †Terlinguachelys – type locality for genus
- †Terlinguachelys fischbecki – type locality for species
- †Terminonaris
- †Terminonaris robusta – or unidentified comparable form
- †Texacephale – type locality for genus
- †Texacephale langstoni – type locality for species
- †Texasetes – type locality for genus
- †Texasetes pleurohalio – type locality for species
- Textularia
- †Thamnasteria
- †Thamnoseris – tentative report
- †Thomasites
- Trachycardium
- †Triceratops
Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops - †Trigonia
- †Trilophosaurus – type locality for genus
- †Trilophosaurus buettneri – type locality for species
- †Trilophosaurus jacobsi
- †Trinacromerum – type locality for genus
- †Trinacromerum bentonianum – type locality for species
- †Triodus
- †Triopticus – type locality for genus
- †Trochactaeon
- Tryonia
- †Turrilites
Fossilized shell of the Late Cretaceous ammonoid cephalopod Turrilites - Turritella
- †Turritella bilira
- †Turritella forgemoli – or unidentified comparable form
- †Turritella hilgardi
- †Turritella paravertebroides
- †Turritella trilira
- †Turritella vertebroides
- †Tylosaurus
- †Tylosaurus kansasensis
- †Tylosaurus nepaeolicus
- †Tylosaurus proriger – or unidentified comparable form
- †Typothorax
- †Tyrannosaurus
Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus - †Uktenadactylus
- Unio
- †Upogebia
- †Vancleavea
- †Vascellum
- †Vascoceras
- Venericardia
- †Vinella
- Viviparus – tentative report
- Volsella
- Vulsella
- †Wannchampsus – type locality for genus
Fossilized partial skulls of the Early Cretaceous crocodilian Wannchampsus - †Wannia
- †Wannia scurriensis – type locality for species
- †Woodbinesuchus – type locality for genus
- †Woodbinesuchus byersmauricei – type locality for species
- †Wrightoceras
- Xanthosia
- †Xenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
- Xenophora
- †Xiphactinus
- †Yezoites
- Yoldia
Cenozoic
Selected Cenozoic taxa of Texas
- Abra
- Acanthocardia
- Acar
- Acirsa
- †Aclistomycter
- Acris
- †Acris crepitans
- Acteocina
- Acteon
- Admetula
- Adrana
- Aedes
- †Aelurodon
- †Aepycamelus
Life restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920). - Agaronia
- Agkistrodon
- †Agriocharis
- †Agriochoerus
- †Agriotherium
- †Aguascalientia
- Akera
- †Alforjas
- Aliculastrum
- †Allaeochelys – or unidentified comparable form
- Alligator
- †Allognathosuchus
Fossilized skeleton of the Late Cretaceous-Oligocene Alligator relative Allognathosuchus - †Allomorone
- Alvania
- †Amblema
- †Ambystoma
- †Amebelodon
- †Ameiurus
- Amnicola
- †Amphicyon
- †Amphimachairodus
- Amphiuma
- †Ampullina
- Amusium
- Anadara
- †Anancus
Life restoration of the Miocene-Pleistocene elephant relative Anancus - †Anchitheriomys
- †Anchitherium
- Ancilla
- †Angelarctocyon
- †Angelarctocyon australis – type locality for species
- †Annona
- Anodontia
- Anomia
- Antalis
- Anthonomus – tentative report
- Antillophos
- Antrozous
- †Aphelops
- †Aplexia
- Aplodinotus
- Aquila
- Arca
- †Archaeohippus
- †Archaeotherium
- Architectonica
- †Arctocyon
- †Arctodus
Restoration of an Arctodus, or short-faced bear, with a human to scale - †Arctonasua
- Argobuccinum
- Argyrotheca
- Arius – or unidentified comparable form
- Arizona
- †Artocarpus
- Astarte
- Asthenotoma
- †Astrohippus
- Athleta
- Atlanta
- Atractosteus
- †Atractosteus spatula
- †Atractosteus tristoechus – tentative report
- Atrina
- †Aturia
Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia - Atys
- †Australocamelus
- †Awateria
- Baiomys
- †Baiotomeus
- Balanophyllia
- Balanus
- †Baluchicardia
- Bankia
- Barbatia
- †Barbourofelis
- Bassariscus
- †Bathygenys
- Bathytoma
- †Bathytoma nonplicata – or unidentified comparable form
- †Batrachosauroides
- Bela – report made of unidentified related form or using admittedly obsolete nomenclature
- †Belosaepia
- †Belosepia
- Bison
- †Bison antiquus
- †Bison latifrons
_1_(15257877377).jpg.webp)
Mounted fossilized skeleton of the Pleistocene Bison latifrons, or long-horned bison
- Bittiolum – report made of unidentified related form or using admittedly obsolete nomenclature
- Bittium
- †Blancocamelus
- Blarina
- †Blarina brevicauda – or unidentified comparable form
- †Blastomeryx
- †Boavus – tentative report
- †Bonellitia
- †Borealosuchus
- †Borophagus
Restoration of two of the Miocene-Pliocene bone-crushing dog genus Borophagus preying on a camel. Jay Matternes (1964).- †Borophagus diversidens
- †Borophagus hilli – type locality for species
- †Borophagus pugnator – or unidentified comparable form
- †Borophagus secundus
- †Boverisuchus
- †Boverisuchus vorax – or unidentified comparable form
- Brachidontes
- †Brachyhyops
- †Brachyrhynchocyon
- Bregmaceros
- †Bryozoan
- Bufo
- Bulimulus
- Bullia
- Cadulus
- Caecum – or unidentified comparable form
- Caestocorbula
- †Calappilia
- †Calippus
- Callianassa
- Calyptraea
- †Camelops
Mounted fossilized skeleton of the Pliocene-Holocene camel Camelops- †Camelops hesternus – type locality for species
- †Camelops minidokae
- Cancellaria
- Candona
- Canis
- †Canis armbrusteri
- †Canis dirus
- †Canis edwardii
- †Canis latrans
- †Canis lepophagus – type locality for species
- Cantharus
- †Capromeryx
Fossilized skeleton of the Pleistocene dwarf pronghorn Capromeryx - Capulus
- Carapus
- Carcharhinus
- †Carpocyon
- Carychium
- Caryophyllia
- Castor
- †Castor canadensis
- Catagonus
- †Caveola
- Celtis
- Centropomus – tentative report
- †Ceratogaulus
Life restoration of the Miocene-Pleistocene horned gopher Ceratogaulus. Robert Bruce Horsfall (1913).- †Ceratogaulus anecdotus – or unidentified comparable form
- †Cerdocyon
- Cerithiella
- Cerithiopsis
- Cerithium – tentative report
- Chaetodipus
- Chama
- Charina
- †Charophyte
- †Chasmaporthetes
Fossilized cranium of the Pliocene-Pleistocene hyena Chasmaporthetes - Chironomus
- Chlamys
- †Chriacus
- †Cimolodon
- Cirsotrema
- Cissus
- Clavilithes
- Clavus – tentative report
- Closia
- Clypeaster
- Cochlespira
- Cochliolepis
- †Colodon
- Coluber
- †Coluber constrictor
A living Coluber constrictor, or eastern racer
- Colubraria
- Columbella – report made of unidentified related form or using admittedly obsolete nomenclature
- †Colwellia
- †Combretum
- Cominella – or unidentified comparable form
- Conomitra
- Conus
- Corbicula
- Corbula
- †Cormohipparion
- †Corvina
- Corvus
- †Coryphodon
- †Cranioceras
Restoration of the Miocene palaeomerycid Cranioceras, a relative of modern deer, with anachronistic human to scale - Crassostrea
- Cratogeomys
- Crenella
- †Cristellaria
- Crotalus
- †Crotalus atrox
- †Crotalus horridus
- Crotaphytus
- †Crotaphytus collaris
- †Crotaphytus reticulatus
- Cryptotis
- †Cryptotis parva
- Cucullaea
- Culex
- Cuna
- Cuspidaria
- †Cuvieronius
Life restoration of the Pliocene-Holocene elephant relative Cuvieronius - Cyclammina
- Cylichna
- †Cylindracanthus
- Cyllene – or unidentified comparable form
- †Cynarctoides
- †Cynarctus
- Cynomys
- Cypraea
- Cypraedia
- Cythara
- †Daphoenictis
- †Daphoenodon
Life restoration of the Miocene bear-dog Daphoenodon - †Daphoenus
- †Daphoenus lambei – or unidentified comparable form
- Dasyatis
- Dasypus
- Dentalium
- Dermatemys
- †Desmatippus
- †Diaphyodus
- †Dibelodon
- †Diceratherium
- Didelphis
- †Dinofelis
- †Dinohippus
- †Dinohyus
- Diplotaxis – or unidentified comparable form
- Dipodomys
- †Discradisca
- Disonycha
- †Dolicholatirus
- Dorsanum
- †Duchesneodus
Illustration of the fossilized jaws and teeth of the Eocene brontothere mammal Duchesneodus - †Echmatemys
- Elaphe
- Eleutherodactylus
- †Ellisella
- Emarginula – or unidentified comparable form
- Endochironomus
- †Eomellivora
- †Eosurcula
- Epicauta
- †Epicyon
Mounted fossilized skeleton of the Miocene bone-crushing dog Epicyon - †Epihippus
- Epitonium
- Eptesicus
- Equus
- †Equus alaskae – or unidentified comparable form
- †Equus conversidens
- †Equus francisci – type locality for species
- †Equus giganteus
- †Equus idahoensis
- †Equus scotti – type locality for species
- †Equus semiplicatus
- †Equus simplicidens
Fossilized skeleton of the Pliocene-Pleistocene horse Equus simplicidens, also known as the Hagerman horse or American zebra
- Erethizon
- †Erethizon dorsatum
- †Eucyon
- Eulima
- Eumeces
- †Euonymus
- Eupleura
- Euspira
- †Eutrephoceras
- †Exilia
- Fasciolaria – tentative report
- Felis
- †Ficopsis
- Ficus
A living Ficus, or fig tree - Flabellum
- †Floridachoerus – tentative report
- †Floridatragulus
- Formica
- Fossaria
- Fulgurofusus
- †Fusconaia
- Fusinus
- Fustiaria
- Gadila
- Galeocerdo
- Galeodea
- Gastrocopta
- †Gavialosuchus
- Gegania
- Geochelone
- Geomys
- †Gigantocamelus
- †Glossotherium
- Glycymeris
- Glyptoactis
- †Glyptodon
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Life restoration of the Pleistocene armadillo relative Glyptodon - †Glyptotherium
- Glyptozaria
- †Gnathabelodon
- †Gomphotherium
- †Goniobasis
- Gopherus – type locality for genus
- †Gopherus polyphemus – type locality for species
- Graptemys
- †Graptemys geographica
- Gregariella
- †Gulfoceras
- †Gustafsonia
- Guttulina
- Gyraulus
- †Hadrianus
- †Haplohippus
Fossilized mandible of the Eocene horse Haplohippus - Harpa
- †Harpactocarcinus
- †Harpagolestes
- Hastula
- Haustator
- Hawaiia
- †Hayoceros
Life restoration of the Pleistocene pronghorn Hayoceros - Helicina
- Helicodiscus
- Helisoma
- Heloderma
- †Hemiauchenia
- †Herpetotherium
- †Hesperotestudo
- †Heteraletes
- Heterodon
- †Heterodon nasicus – or unidentified comparable form
A living Heterodon nasicus, or Western hognose snake - †Heterodon platyrhinos – or unidentified comparable form
- †Heteromeryx
- Hexaplex
- †Hipparion
- †Hippidion
- Hippodamia
- †Hippodamia convergens – tentative report
- Hipponix
- †Hippotherium
- Holbrookia
- †Holmesina
- †Homotherium
Restoration of Pliocene-Pleistocene Homotherium, or scimitar cat - †Hyaenodon
- †Hyaenodon crucians
- †Hyaenodon horridus – or unidentified comparable form
- †Hyaenodon montanus
- †Hyaenodon raineyi
- †Hyaenodon vetus – or unidentified comparable form
- Hyla
- †Hyopsodus
- Hyotissa
- †Hypertragulus
- †Hypohippus
- †Hypolagus
- †Hyrachyus
- †Hyracodon
- †Hyracotherium
- Ictalurus
- †Ictiobus
- †Indarctos
Fossilized skull of the Miocene bear Indarctos - †Inga
- †Ischyrocyon
- †Ischyromys
- Isognomon
- †Jefitchia – type locality for genus
- Juglans
- †Kalobatippus
- Kinosternon
- Kuphus
- †Lacunaria
- †Lambdoceras
- †Lambertocyon
- Lampropeltis
A living Lampropeltis getula, or eastern kingsnake - Lasionycteris
- Lasiurus
- Latirus
- †Ledina
- †Leea
- Lepisosteus
- †Lepisosteus spatula – or unidentified comparable form
- Lepomis
- †Lepomis cyanellus – or unidentified comparable form
- †Leptictis
- †Leptocyon
Illustration of a fossilized skull of the Oligocene-Miocene dog Leptocyon - †Leptoreodon
- Lepus
- †Lepus californicus
- Limacina
- Limaria
- †Limnenetes
- †Linthia
- Lithophaga
- Litiopa
- Littorina
- †Longirostromeryx
- Lovenia
Shell of a Lovenia sea urchin - Lucina
- Lunatia – report made of unidentified related form or using admittedly obsolete nomenclature
- Lunularia – tentative report
- Lymnaea
- Lynx
- Lyria
- Lytta
- †Machairodus
- Macrocallista
- Mactra
- Madrepora
- Magnolia
- †Mahgarita
- †Mammut
- †Mammuthus
- †Mammuthus columbi
Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).
- Marginella
- Marmota
- †Marmota flaviventris
- Martes
- Martesia
- †Mathilda – tentative report
- †Mathilda – or unidentified comparable form
- †Mathilda
- †Mauricia
- †Megalictis – tentative report
- †Megalonyx
- †Megalonyx jeffersonii – or unidentified comparable form
- †Megalonyx leptostomus
- †Megatherium
Restoration of the Pliocene-Holocene ground sloth Megatherium. Robert Bruce Horsfall (1913). - †Megatylopus
- Melanella
- †Menetus
- †Menoceras
- †Menops
- Mephitis
- Meretrix
- †Merychippus
- †Merychyus
- †Merycoidodon
Restoration of the Eocene-Oligocene oreodont mammal Merycoidodon. Heinrich Harder (1920). - Mesalia
- †Mescalerolemur – type locality for genus
- †Mescalerolemur horneri – type locality for species
- Mesodesma
- †Mesodma
- †Mesodma pygmaea – or unidentified comparable form
- †Mesodma thompsoni
- †Mesohippus
- †Metalopex
- †Metamynodon
Restoration of the Eocene-Miocene swamp rhinoceros Metamynodon. Charles R. Knight (1896). - Metula
- †Michela
- †Michenia
- Microdrillia
- Micropterus
- †Microsyops
- †Microtomarctus
- Microtus
- Micrurus
- †Mimetodon
- †Miocyon
- †Miohippus
- †Miracinonyx
- †Miracinonyx inexpectatus – or unidentified comparable form
- †Miracinonyx studeri
- Mitrella
- Modiolus – tentative report
- †Moropus
Life restoration of the Miocene chalicothere mammal Moropus threatening a pair of the bear-dog Daphoenodon. Jay Matternes (1964). - †Morrillia
- Murex
- Mustela
- Myctophum
- Myliobatis
- †Mylohyus
- Myotis
- Mytilus
- Myzinum – or unidentified comparable form
- †Nannippus
Partial fossilized mandible of the Miocene-Pliocene horse Nannippus - †Nanotragulus
- Narona
- Nassarius
- Nasua
- Natica
- Naticarius
- Natrix
- Nectandra
- †Neochoerus – type locality for genus
- Neofiber
- †Neohipparion
Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913). - Neotamias
- Neotoma
- †Neotoma albigula
- †Neotoma floridana
- †Neotoma mexicana
- †Neotoma micropus
- Neptunea – report made of unidentified related form or using admittedly obsolete nomenclature
- Nerodia
- Neverita
- †Nexuotapirus
- †Nimravides
- Niptus
- Norrisia
- †Notharctus
- †Nothokemas
- †Nothrotheriops
Life restoration of the Pleistocene ground sloth Nothrotheriops - †Nothrotherium
- Notiosorex
- †Notiotitanops
- Notophthalmus
- Nucula
- Nysius – tentative report
- Oculina
- Odocoileus
- Odontaspis
A living Odontaspis sand shark - Odostomia
- Olivella
- Ondatra
- Onychomys
- †Onychomys leucogaster
- †Onychomys torridus
- Opalia
- Opheodrys
- Ophisaurus
- †Oreodaphne
- Oryzomys
- †Osbornoceros – tentative report
Life restoration of the Miocene pronghorn Osbornoceros - Ostrea
- Ovis
- †Oxydactylus
- †Pachecoa
- †Palaeolama
- †Palaeophis
- Panopea
- Panthera
- †Paraenhydrocyon
- †Parahippus
- †Parahippus leonensis – type locality for species
- †Paralbula
- †Paramylodon
Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon - †Paramys
- †Paratoceras
- †Paratomarctus
- †Parectypodus
- †Paronychomys – tentative report
- †Parvitragulus
- †Pediomeryx
- †Peltosaurus – tentative report
Fossilized skull of the Eocene-Oligocene lizard Peltosaurus - †Peraceras
- †Peratherium
- Perognathus
- Peromyscus
- Phaedon – or unidentified comparable form
- Phalium
- †Phenacodus
- Philine
- †Phlaocyon
Illustration of a fossilized skull in multiple views of the Oligocene-Miocene bone-crushing dog Phlaocyon - Pholadomya
- Pholas
- Phos
- Phrynosoma
- Phyllodus
- Physa
- Pinna – tentative report
- Pisidium
- Pitar
- Pituophis
- Planorbis
- †Platygonus
Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922). - †Pleiolama
- †Plesiocolopirus
- †Plesiogulo
- Pleurocera
- Pleurofusia
- Pleuromeris
- Pleuroploca
- †Pleurostoma
- Pleurotomella
- Plicatula
- †Pliohippus
Fossilized skull of the Miocene horse Pliohippus - †Pliometanastes
- †Poabromylus
- Podomys
- †Poebrotherium
- Polinices
- Polydora
- Polygyra
- Polyschides
- Porites
- †Potamides
- †Priscocamelus
- †Pristichampsus
- Pristis
- †Procamelus
- †Procastoroides
- †Procynodictis
- Procyon
- †Prohesperocyon
- Propeamussium
- †Prosimnia
- †Prosynthetoceras
- †Protitanotherium
- †Protoceras – tentative report
- †Protohippus
- †Protolabis
- †Protylopus – tentative report
- Pseudacris
- †Pseudaelurus – tentative report
Restoration of the Miocene cat Pseudaelurus - †Pseudhipparion
- Pseudochama
- Pseudoliva
- †Pseudoprotoceras
- †Psittacotherium
- Pteria
- Pteris
- Pterothrissus
- Pterynotus
- †Ptilodus
Illustration of a fossilized skull of the Paleocene multituberculate mammal Ptilodus - Ptinus
- Puma
- Pupilla
- Pupoides
- Pycnodonte
- †Pylodictis
- Pyramidella
- †Quadrula
- Quinqueloculina
- †Raja
- †Raja texana – type locality for species
- †Rana
- †Rana catesbiana – lapsus calami of Rana catesbeiana
A living Rana catesbeiana (sometimes Lithobates catesbeianus), or American bullfrog - †Rana pipiens
- Ranularia
- Raphitoma
- Reithrodontomys
- †Reithrodontomys fulvescens
- †Reithrodontomys megalotis
- †Reithrodontomys montanus
- †Retinella
- Retusa
- Rhinobatos
- Rhinocheilus
- Rhinoptera
- †Rhynchotherium – tentative report
Restoration of the Miocene-Pliocene elephant relative Rhynchotherium - Rimella
- Ringicula
- †Rooneyia – type locality for genus
- †Rooneyia viejaensis – type locality for species
- †Rotalia
- †Rotularia
- Salvadora
- †Sapindus
- Sassia
- Scalopus
- Scaphander
- Scaphella
- Scaphiopus
A living Scaphiopus, or North American spadefoot toad - †Scaphites
- Sceloporus
- Sciurus
- †Selaginella
- Selenophorus – or unidentified comparable form
- Semele
- Serpulorbis
- Sigatica
- Sigmodon
- †Sigmodon hispidus
A living Sigmodon, or cotton rat
- Siliqua
- Simnia
- †Sinopa
- Sinum
- Siphonalia
- Siren
- †Siren miotexana – type locality for species
- Skena
- Skenea
- †Smilodon
Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon - †Soergelia
- Solariella
- Solemya
- Solen
- †Sophora
- Sorex
- Spermophilus
- †Spermophilus elegans – or unidentified comparable form
- †Spermophilus spilosoma
A living Xerospermophilus spilosoma, or spotted ground squirrel - †Spermophilus tridecemlineatus
- †Spermophilus variegatus
- Sphaerium
- Spilogale
- Spirorbis
- Spirotropis
- Spisula
- Stagnicola
- †Stegomastodon
Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon - †Steneofiber
- †Stenomylus
- †Stenotrema
- Sternotherus
- Sthenictis
- †Stockoceros – or unidentified comparable form
- Storeria
- †Striatolamia
- Strobilops
- †Stygimys
- †Stylinodon
Life restoration of the Eocene taeniodont mammal Stylinodon - Succinea
- Sylvilagus
- Synaptomys
- †Synthetoceras
- †Synthetoceras tricornatus – type locality for species
- Syrphus – or unidentified comparable form
- Tantilla
- Tanytarsus – tentative report
- Tapirus
- Taxidea
- Teinostoma
- †Teleoceras
Restoration of the Miocene-Pliocene rhinoceros Teleoceras - Tellina
- Tenagodus
- †Tephrocyon
- Terebellum
- Terebra
- Teredo
- Terminalia
- Terrapene
- †Terrapene carolina
A living Terrapene carolina, or common box turtle - †Terrapene ornata
- Testudo
- †Tetrameryx
- Thamnophis
- Theodoxus
- †Thinobadistes
- Thomomys
- †Thomomys bottae
- †Thomomys talpoides – or unidentified comparable form
- †Ticholeptus
- †Titanoides
Life restoration of the Paleocene pantodont mammal Titanoides- †Titanoides gidleyi – or unidentified comparable form
- †Tomarctus
- †Toromeryx
- †Trigonias – tentative report
- Trigonostoma
- †Trinacria
- †Tripia
- Trochita
- Tropidoclonion
- †Truncilla
- †Trygon
- †Tuba
- Tucetona
- Turbonilla
- Turricula
- Turris
- Turritella
- Tympanuchus
- Typhina
- Tyto
- †Tyto alba
- †Uintatherium – or unidentified comparable form
Life restoration of the Eocene mammal Uintatherium - Umbraculum
- Unio
- Urocyon
- †Urocyon cinereoargenteus – or unidentified comparable form
- Ursus
- †Ustatochoerus
- Vallonia
- Venericardia
- Verticordia
- Vertigo
- †Viridomys
- †Volvariella
- Vulpes
- †Xenocyon
Fossilized skull of the Pliocene-Pleistocene wolf Xenocyon - Xenophora
- Yoldia
- †Yumaceras
- Zonitoides
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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