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 Texas

Paleozoic

Main article: List of the Paleozoic life of Texas

Selected Paleozoic taxa of Texas

• 

  Restoration of the Permian amphibian Acheloma

  † Acheloma – type locality for genus
  • † 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

• 

  Fossilized shell of the Carboniferous-modern scallop Amusium

  Amusium – tentative report
• † 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

• 

  Life restoration of the Permian reptile Araeoscelis

  † Araeoscelis – type locality for genus
• † 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

• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten

  † 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
  • † Bellerophon graphicus
• † Bembexia
• † Bitaunioceras
• † Blountiella

• 

  Illustration of a fossilized skull of the Permian primitive reptile Bolosaurus

  † Bolosaurus – type locality for genus
  • † 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

• 

  Life restoration of the Permian amphibian Cacops

  † Cacops
  • † Cacops aspidephorus – type locality for species
• † Calamites
  • † Calamites undulatus
• † Callipteridium
• † Callipteris
  • † Callipteris conferta
• † 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

• 

  Life restoration of the Permian synapsid (mammal precursor) Casea

  † Casea – type locality for genus
  • † 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

• 

  Fossilized shell of the Middle Devonian-Permian brachiopod Cleiothyridina

  † 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

• 

  Fossilized shell of the Late Devonian-Permian brachiopod Composita

  † 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
  • † Cordaites principalis
• † Cotteroceras

• 

  Life restoration of the Permian synapsid (mammal precursor) Cotylorhynchus

  † 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
  • † Cystothalamia megacysta
  • † Cystothalamia nodulifera
• † Dadoxylon
• † Dakeoceras – tentative report
• † Dasyceps
• † Deiracephalus
• Dentalium
• † Diadectes – type locality for genus
• † Dimacrodon – type locality for genus

• 

  Restoration of D. giganhomogenes with exposed neural spine tips

  † Dimetrodon – type locality for genus
  • † 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

• 

  Life restoration of the Permian synapsid (mammal precursor) Edaphosaurus

  † Edaphosaurus – type locality for genus
  • † Edaphosaurus boanerges
  • † Edaphosaurus cruciger – or unidentified related form
  • † Edaphosaurus pogonias – type locality for species
• † Edestus
• † Edmondia
• † Edops
  • † Edops craigi
• † 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

• 

  Life restoration of the Carboniferous-Permian amphibian Eryops

  † Eryops – type locality for genus
  • † 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

• 

  Life restoration of the Permian frog precursor Gerobatrachus

  † Gerobatrachus – type locality for genus
  • † 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
  • † Glikmanius occidentalis
• † 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
  • † Gypospirifer condor
• † Helicoconchus – type locality for genus

• 

  Life restoration of the Permian Chimaera relative Helicoprion

  † Helicoprion
  • † Helicoprion davisii
• † 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

• 

  Life restoration of the Permian amphibian Isodectes

  † Isodectes
• † Isogramma
• † Janassa
• † Jeffersonia
• † Jinogondolella
• † Kingstonia
• † Knoxosaurus – type locality for genus
• † Kockelella
• † Komia
• † Labidosaurikos
• † Labidosaurus
• † Lambeoceras
• † Lepidophyllum
• † Levisoceras
• † Limbella
• Lingula
• † Liroceras
• † Llanoaspis

• 

  Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior

  † Lysorophus
• † Martinia
• † Mastersonia – type locality for genus
• † Mcqueenoceras
• † Metacoceras
• † Metalegoceras
• † Meteoraspis
• † Metoptoma
• † Michelinoceras – tentative report
• † Micraroter – tentative report
  • † Micraroter erythrogeios
• † Microbaltoceras – type locality for genus
• † Minilya
• † Murchisonia

• 

  Life restoration of the Permian synapsid (mammal precursor) Mycterosaurus

  † Mycterosaurus – type locality for genus
  • † 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

• 

  Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer

  † 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

• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon

  † Ophiacodon – type locality for genus
  • † 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

  † 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

• 

  Fossils of the Late Devonian-Permian fern-like fronds Pecopteris

  † Pecopteris
  • † Pecopteris arborescens
  • † Pecopteris hemitelioides
  • † Pecopteris unita
• † 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

• 

  Life restoration of the Carboniferous-Permian sail-backed amphibian Platyhystrix

  † Platyhystrix – or unidentified comparable form
• † 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

• 

  Life restoration of the Devonian-Permian tree fern Psaronius . Auguste Faguet (1877).

  † Psaronius
• † 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

• 

  Life restoration of the Permian amphibian Rubeostratilia

  † Rubeostratilia – type locality for genus
• † 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

• 

  Fossilized skeleton of the Permian primitive four-limbed animal Seymouria

  † Seymouria – type locality for genus
  • † Seymouria baylorensis – type locality for species
• † Shouchangoceras
• † Sigillaria
  • † Sigillaria brardii
• † Slaugenhopia – type locality for genus
• Solemya – tentative report
• † Solenochilus
• † Solenopora
• † Spermatodus

• 

  Life restoration of the Late Devonian-Permian Sphenacanthus

  † Sphenacanthus
• † Sphenophyllum
  • † Sphenophyllum oblongifolium
• † Sphenopteris
• † Spica
• † Spirifer
  • † Spirifer rockymontanus
• Spirorbis
• † Stearoceras
• † Steppesaurus – type locality for genus
• † Stereophallodon – type locality for genus
  • † Stereophallodon ciscoensis – type locality for species

• 

  Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus

  † Stethacanthus
• † Strepsodiscus
• † Strophomena
  • † Strophomena neglecta
• † 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

• 

  Restorative portrait of the Permian synapsid (mammal precursor) Tetraceratops

  † Tetraceratops – type locality for genus
  • † 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

• 

  Mounted fossilized skeleton of the Permian synapsid (mammal precursor) Varanosaurus

  † Varanosaurus – type locality for genus
  • † Varanosaurus acutirostris – type locality for species
• † Vidria
• † Waagenina
• † Waagenoceras
• † Waggoneria – type locality for genus
• † Walchia
• † Wattia – type locality for genus
• † Wilkingia
• † Worthenia
• † Wurmiella
  • † Wurmiella excavata
• † Xenacanthus
• † Xyloiulus – tentative report
• Yoldia – tentative report

• 

  Life restoration of the Permian amphibian Zatrachys

  † Zatrachys

Mesozoic

Main article: List of the Mesozoic life of Texas

Selected Mesozoic taxa of Texas

• 

  Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Acanthoceras

  † Acanthoceras
  • † Acanthoceras adkinsi
  • † Acanthoceras amphibolum
  • † Acanthoceras barcusi
  • † Acanthoceras eulessanum
  • † Acanthoceras johnsonanum
  • † Acanthoceras tarrantense
  • † Acanthoceras wintoni
  • † Acanthoceras worthense
• Acesta
• Acirsa
• Acmaea
• † Acompsoceras

• 

  Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus

  † Acrocanthosaurus
  • † Acrocanthosaurus atokensis
• 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

  † Alamosaurus
  • † Alamosaurus sanjuanensis
• † Albanerpeton
  • † Albanerpeton gracilis
  • † Albanerpeton nexuosus
• † Allocrioceras
• Alnus
• † Alphadon
  • † Alphadon halleyi – or unidentified comparable form
• † Ampullina – or unidentified comparable form
• Amusium
• † Anaklinoceras
• † Ancilla
• † Angistorhinus
  • † Angistorhinus grandis
• † Angulomastacator – type locality for genus
  • † Angulomastacator daviesi – type locality for species
• † Anisoceras
• Anomia
• † Anomoeodus
• † Anomotodon
• † Apachesaurus
  • † Apachesaurus gregorii
• Arca
• Architectonica

• 

  Restoration of the Late Triassic lungfish Arganodus with an anachronistic human to scale

  † Arganodus
  • † 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
  • † Astrodon johnstoni
• † Astrophocaudia – type locality for genus
  • † Astrophocaudia slaughteri – type locality for species
• † Axonoceras

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites

  † 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
  • † Belemnitella americana
• † Belodon
• † Belonostomus
• † Bernissartia – tentative report
• † Betelgeusia – type locality for genus
  • † Betelgeusia reidi – type locality for species
• † Bostrychoceras
• Botula
  • † Botula carolinensis
  • † Botula conchafodentis

• 

  Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird

  † Brachauchenius
  • † Brachauchenius lucasi
• Brachidontes
• † Brachychampsa
• † Brachysuchus – type locality for genus
  • † Brachysuchus megalodon – type locality for species
• † Bravoceratops – type locality for genus
  • † Bravoceratops polyphemus – type locality for species

• 

  Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus

  † Brontopodus – type locality for genus
• Busycon – tentative report
• Cadulus
• Caestocorbula
  • † Caestocorbula crassaplica
  • † Caestocorbula crassiplica
  • † Caestocorbula suffalciata
  • † Caestocorbula terramaria
• Callianassa
• † Calliomphalus
  • † Calliomphalus americanus
• † Calyptosuchus – type locality for genus
  • † Calyptosuchus wellesi – type locality for species
• Calyptraea
• Cancellaria
• Cantharus – tentative report

• 

  Fossilized shell of the Cretaceous marine bivalve Caprina

  † 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
  • † Cedarosaurus weiskopfae

• 

  Life restoration of the Late Triassic-Eocene lungfish Ceratodus

  † Ceratodus
• Cerithiella
  • † Cerithiella nodoliratum – or unidentified related form
  • † Cerithiella semirugatum
• Cerithium
• † Chamops
• † Champsosaurus
• † Chindesaurus
  • † Chindesaurus bryansmalli
• † Chinlea
• † Chirostenotes
• † Chupacabrachelys – type locality for genus
• Cidaris
• † Cimexomys
• † Cimoliasaurus

• 

  Life restoration of the Late Cretaceous pterosaur Cimoliopterus (left) stealing fish from another pterosaur

  † Cimoliopterus
  • † Cimoliopterus dunni – type locality for species
• † Cimolodon
  • † Cimolodon electus – or unidentified comparable form
• † Cimolomys
  • † Cimolomys clarki
• † Clevosaurus – or unidentified comparable form
• † Clidastes
  • † Clidastes liodontus
• Cliona
• † Coahomasuchus – type locality for genus
  • † Coahomasuchus kahleorum – type locality for species
• † Coelodus
• † Coelophysis
• † Coilopoceras
  • † Coilopoceras springeri

• 

  Fossilized shell of the Late Cretaceous ammonoid Collignoniceras

  † Collignoniceras
  • † Collignoniceras woollgari
• † Colognathus – type locality for genus
• † Coniasaurus
• † Continuoolithus
• † Conulus
• Corbicula
• Corbula
• † Coupatezia
• Crassostrea
• † Crenella
  • † Crenella elegantula
  • † Crenella serica

• 

  Fossil of the Early Cretaceous-Eocene shark Cretolamna

  † Cretolamna
  • † Cretolamna appendiculata
• † Cretorectolobus
  • † Cretorectolobus olsoni – or unidentified comparable form
• † Crosbysaurus – type locality for genus
  • † Crosbysaurus harrisae – type locality for species
• Cucullaea
  • † Cucullaea capax
  • † Cucullaea powersi
• Cuspidaria
  • † Cuspidaria ampulla
  • † Cuspidaria grandis
  • † Cuspidaria grovensis
• † Cyathophora
• † Cyclothyris
• Cylichna
  • † Cylichna incisa
• † Cymatoceras
• † Cymella
• Cyzicus – tentative report
• † Dallasaurus – type locality for genus
  • † Dallasaurus turneri – type locality for species
• Dasmosmilia
  • † Dasmosmilia kochii – type locality for species
• Dasyatis

• 

  Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus

  † Deinosuchus
  • † Deinosuchus riograndensis
  • † Deinosuchus rugosus – type locality for species
• Dentalium
  • † Dentalium leve
  • † Dentalium pauperculum
• † 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
  • † Discoscaphites conradi
• † Doswellia
• † Douvilleiceras
• † Dreissena

• 

  Restoration of the Late Triassic dinosaur relative Dromomeron

  † Dromomeron
  • † Dromomeron gregorii – type locality for species
• † Dryptosaurus
• † Dufrenoyia
  • † Dufrenoyia justinae
• † Durania
• † Echinocorys
• † Ecphora
• † Ectenosaurus
• † Edmontonia – or unidentified comparable form
• † Elea – tentative report

• 

  Restoration of the Early Cretaceous-Eocene bony fish Enchodus , or the "saber-toothed herring"

  † Enchodus
• † Episcoposaurus – type locality for genus
  • † Episcoposaurus haplocerus – type locality for species
• † Epitonium
  • † Epitonium sillimani
• † Eubostrychoceras
• † Eucalycoceras
• † Eugyra
• † Euhoplites – tentative report
• † Eulima
• † Euomphaloceras
• † Eupachydiscus
• † Euspira
• † Eutrephoceras
• † Ewingia – type locality for genus

• 

  Fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra

  † Exogyra
  • † Exogyra cancellata
  • † Exogyra costata
• † Fagesia
• † Faujasia
• † Favia
• † Flexomornis – type locality for genus
  • † Flexomornis howei – type locality for species
• † Flickia
• † Forbesiceras
• † Forresteria
• Fusinus
• Galeorhinus
• Gastrochaena
• Gegania
• † Gervillia
• Ginglymostoma

• 

  Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens

  † Globidens
  • † Globidens dakotensis
• Globigerina
• Glossus
• Glycymeris
  • † Glycymeris rotundata
• † Glyptops – tentative report
• † Gobiates
• † Gryphaea
• † Gryposaurus – tentative report
• † Gypsichnites
• † Gyronchus
• Haminoea – tentative report
• † Hamites
• † Hamulus
• † Helicoceras
  • † Helicoceras navarroense
• † Hemicalypterus – tentative report

• 

  A living Heterodontus , or bullhead shark

  Heterodontus
• † Heteromorpha
• Hexanchus
• Homarus
• † Hoplochelys
• † Hoploscaphites
• † Hybodus
• † Hydnophora – tentative report
• † Hypophylloceras
• † Ichthyodectes

• 

  Restoration of the Late Cretaceous toothed bird Ichthyornis

  † Ichthyornis
  • † Ichthyornis dispar
• † 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
  • † Ischyrhiza avonicola
  • † Ischyrhiza mira
• † Jeletzkytes
  • † Jeletzkytes brevis
• † Kamerunoceras

• 

  Life restoration at various ages of the Late Triassic amphibian Koskinonodon with an anachronistic human to scale

  † Koskinonodon – type locality for genus
• † 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
  • † Leyvachelys cipadi
• † Libognathus – type locality for genus

• 

  Life restoration of the Late Cretaceous plesiosaur Libonectes with an anachronistic scuba diver to scale

  † Libonectes
  • † Libonectes morgani – type locality for species
• Lima
• Limatula
• † Linearis
• Lingula
• † Linter
• † Linthia
• Linuparus
• † Lioestheria – tentative report
• Liquidambar – tentative report
• † Lissodus
• † Lithacoceras
• Lithophaga
• † Lonchidion

• 

  Life restoration of the Late Triassic aetosaur Longosuchus

  † Longosuchus
  • † Longosuchus meadei – type locality for species
• Lopha
  • † Lopha falcata
  • † Lopha mesenterica
• † Lucasuchus – type locality for genus
  • † Lucasuchus hunti – type locality for species
• Lucina
• † Macrepistius
• † Magnoavipes – type locality for genus
• † Malerisaurus

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Mammites

  † Mammites
• † Mantelliceras
  • † Mantelliceras cantianum
• † Mariella
• † Martinectes
  • † Martinectes bonneri
• † Mathilda
• Megalomphalus – or unidentified comparable form
• † Megalosauropus – tentative report
• Melanatria
• Membranipora
• † Meniscoessus
• † Menuites
• Mesalia
• † Mesodma
• † Metoicoceras
  • † Metoicoceras geslinianum

• 

  Life restoration of the Late Triassic amphibian Metoposaurus with an anachronistic human to scale

  † Metoposaurus
  • † Metoposaurus bakeri – type locality for species
• † Micraster
• † Modiolus
  • † Modiolus sedesclaris
  • † Modiolus sedesclarus
• Monodonta – tentative report
• † Monopleura – tentative report
• † Morea
• † Mortoniceras

• 

  Life restoration of two of the Late Cretaceous Mosasaurus

  † Mosasaurus
  • † Mosasaurus missouriensis – tentative report
• † Mytilus
• † Naomichelys
• Natica
• Nebrius
• † Neithea
  • † Neithea bexarensis
  • † Neithea quinquecostata
• † Neocardioceras
  • † Neocardioceras juddii

• 

  Opalized guard of the belemnoid cephalopod Neohibolites

  † Neohibolites
• † Neoptychites
• † Nerinea – tentative report
• Nerita
• Neritina
• † Nostoceras
  • † Nostoceras approximans
  • † Nostoceras splendidum
• Nucula
  • † Nucula camia
  • † Nucula cuneifrons
  • † Nucula percrassa
• † Nyssa
• † Odaxosaurus
  • † Odaxosaurus piger
• Odontaspis
• † Oklatheridium
  • † Oklatheridium minax
  • † Oklatheridium szalayi

• 

  Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis

  † 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

• 

  Restorative portrait of the Early Jurassic synapsid (mammal precursor) Pachygenelus

  † 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 .^{[ citation needed ]}
  • † Paluxysaurus jonesi – type locality for species. Now regarded as a junior synonym of Sauroposeidon proteles .^{[ citation needed ]}
• † 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

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size

  † Parapuzosia
• † 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
  • † Pekinosaurus olseni
• Perna – report made of unidentified related form or using admittedly obsolete nomenclature
• Pholadidea

• 

  Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya

  Pholadomya
  • † Pholadomya occidentalis
• Pholas
• † Phymosoma
• † Phytosaurus
• † Pinna
• Pitar
• † Placenticeras
  • † Placenticeras meeki
• † Planocephalosaurus
• † Platecarpus
  • † Platecarpus planifrons
  • † Platecarpus somenensis – or unidentified comparable form
  • † Platecarpus tympaniticus
• † Platyceramus
  • † Platyceramus cycloides
  • † Platyceramus mantelli - or unidentified loosely related form

• 

  Life restoration of the Early-Late Cretaceous ichthyosaur Platypterygius

  † Platypterygius
• † Plesiosaurus
• Pleurotomaria
• † Plicatoscyllium – type locality for genus
• Plicatula
• † Plioplatecarpus – tentative report
• Polinices
• † Pollex
• † Polyptychodon
• † Poposaurus
  • † Poposaurus gracilis
• † Porituberoolithus

• 

  Restoration of the Late Triassic crocodile relative Postosuchus with an anachronistic human to scale

  † Postosuchus – type locality for genus
  • † 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

• 

  Life restoration of the Late Cretaceous bony fish Protosphyraena

  † Protosphyraena
• † Pseudocorax
• † Pseudomelania
• † Pseudoperna
  • † Pseudoperna congesta
• † Pteranodon – or unidentified comparable form
• † Pteria
• † Pterotrigonia
  • † Pterotrigonia eufalensis
  • † Pterotrigonia eufaulensis
• † Ptychotrygon
• † Puzosia
• Pycnodonte
  • † Pycnodonte belli
  • † Pycnodonte mutabilis
  • † Pycnodonte vesicularis

• 

  Mounted fossilized skeleton of the Late Cretaceous pterosaur Quetzalcoatlus

  † Quetzalcoatlus – type locality for genus
  • † Quetzalcoatlus northropi – type locality for species
• † Quitmaniceras
• Raja
• † Rewaconodon – or unidentified related form
  • † Rewaconodon tikiensis
• Rhinobatos
• † Rhombodus
• † Richardoestesia
  • † Richardoestesia gilmorei
  • † Richardoestesia isosceles – type locality for species
• † Rileymillerus – type locality for genus
• Ringicula
  • † Ringicula pulchella
• Rogerella
• † Romaniceras
• Rostellaria – tentative report
• † Russellosaurus – type locality for genus
  • † Russellosaurus coheni – type locality for species
• † Rutiodon
• † Sargana

• 

  Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale

  † Sauroposeidon
  • † Sauroposeidon proteles
• † Saurornitholestes
  • † Saurornitholestes langstoni – or unidentified comparable form
• † Sauvagesia – tentative report
• † Scapanorhynchus
  • † Scapanorhynchus texanus
• † 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
  • † Serratolamna serrata
• † Sexta

• 

  Life restoration of the Late Triassic distant crocodilian relative Shuvosaurus

  † Shuvosaurus – type locality for genus
  • † Shuvosaurus inexpectatus – type locality for species
• † Siderastrea
• † Sierritasuchus – type locality for genus
  • † Sierritasuchus macalpini – type locality for species
• † Skolithos
• Solemya
• † Sphenodiscus
  • † Sphenodiscus lobatus
  • † Sphenodiscus pleurisepta
• † Spinosuchus – type locality for genus
  • † Spinosuchus caseanus – type locality for species
• † Spironema
• Spondylus
• Squalicorax
  • † Squalicorax kaupi
  • † Squalicorax pristodontus
• Squalus
• † Squatirhina
  • † Squatirhina americana

• 

  Life restoration of the Late Cretaceous ostrich dinosaur Struthiomimus

  † Struthiomimus – or unidentified comparable form
• † 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

• 

  Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus

  † 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
  • † Trachycardium eufaulensis

• 

  Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops

  † 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

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Turrilites

  † Turrilites
  • † Turrilites acutus
• 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

• 

  Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus

  † Tyrannosaurus
  • † Tyrannosaurus rex
• † Uktenadactylus
• Unio
• † Upogebia
• † Vancleavea
  • † Vancleavea campi
• † Vascellum
• † Vascoceras
• Venericardia
• † Vinella
• Viviparus – tentative report
• Volsella
• Vulsella

• 

  Fossilized partial skulls of the Early Cretaceous crocodilian Wannchampsus

  † Wannchampsus – type locality for genus
• † 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

Main article: List of the Cenozoic life of Texas

Selected Cenozoic taxa of Texas

• Abra
• Acanthocardia
• Acar
• Acirsa
• † Aclistomycter
• Acris
  • † Acris crepitans
• Acteocina
• Acteon
• Admetula
• Adrana
• Aedes
• † Aelurodon

• 

  Life restoration of the Miocene camel Aepycamelus , or the long-necked camel. Heinrich Harder (1920).

  † Aepycamelus
• Agaronia
• Agkistrodon
• † Agriocharis
• † Agriochoerus
• † Agriotherium
• † Aguascalientia
• Akera
• † Alforjas
• Aliculastrum
• † Allaeochelys – or unidentified comparable form
• Alligator
  • † Alligator mississipiensis
  • † Alligator mississippiensis
  • † Alligator olseni

• 

  Fossilized skeleton of the Late Cretaceous-Oligocene Alligator relative Allognathosuchus

  † Allognathosuchus
• † Allomorone
• Alvania
• † Amblema
  • † Amblema plicata
• † Ambystoma
  • † Ambystoma tigrinum
• † Amebelodon
• † Ameiurus
• Amnicola
• † Amphicyon
• † Amphimachairodus
• Amphiuma
• † Ampullina
• Amusium
• Anadara

• 

  Life restoration of the Miocene-Pleistocene elephant relative Anancus

  † Anancus
• † Anchitheriomys
• † Anchitherium
• Ancilla
• † Angelarctocyon
  • † Angelarctocyon australis – type locality for species
• † Annona
• Anodontia
• Anomia
• Antalis
• Anthonomus – tentative report
• Antillophos
• Antrozous
  • † Antrozous pallidus
• † Aphelops
• † Aplexia
• Aplodinotus
  • † Aplodinotus grunniens
• Aquila
  • † Aquila chrysaetos
• Arca
• † Archaeohippus
• † Archaeotherium
• Architectonica
• † Arctocyon

• 

  Restoration of an Arctodus , or short-faced bear, with a human to scale

  † Arctodus
  • † Arctodus simus
• † Arctonasua
• Argobuccinum
• Argyrotheca
• Arius – or unidentified comparable form
• Arizona
  • † Arizona elegans
• † Artocarpus
• Astarte
• Asthenotoma
• † Astrohippus
• Athleta
• Atlanta
• Atractosteus
  • † Atractosteus spatula
  • † Atractosteus tristoechus – tentative report
• Atrina

• 

  Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia

  † Aturia
• Atys
• † Australocamelus
• † Awateria
• Baiomys
• † Baiotomeus
  • † Baiotomeus douglassi
• Balanophyllia
• Balanus
• † Baluchicardia
• Bankia
• Barbatia
• † Barbourofelis
  • † Barbourofelis whitfordi
• 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

  • 

    Mounted fossilized skeleton of the Pleistocene Bison latifrons , or long-horned bison

    † Bison latifrons
• 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

• 

  Restoration of two of the Miocene-Pliocene bone-crushing dog genus Borophagus preying on a camel. Jay Matternes (1964).

  † Borophagus
  • † 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
  • † Bufo cognatus
  • † Bufo woodhousei
• Bulimulus
  • † Bulimulus dealbatus
• Bullia
• Cadulus
• Caecum – or unidentified comparable form
• Caestocorbula
• † Calappilia
• † Calippus
• Callianassa
• Calyptraea

• 

  Mounted fossilized skeleton of the Pliocene-Holocene camel Camelops

  † 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

• 

  Fossilized skeleton of the Pleistocene dwarf pronghorn Capromeryx

  † Capromeryx
• Capulus
• Carapus
• Carcharhinus
• † Carpocyon
• Carychium
  • † Carychium exiguum
• Caryophyllia
• Castor
  • † Castor canadensis
• Catagonus
• † Caveola
• Celtis
• Centropomus – tentative report

• 

  Life restoration of the Miocene-Pleistocene horned gopher Ceratogaulus . Robert Bruce Horsfall (1913).

  † Ceratogaulus
  • † Ceratogaulus anecdotus – or unidentified comparable form
• † Cerdocyon
• Cerithiella
• Cerithiopsis
• Cerithium – tentative report
• Chaetodipus
  • † Chaetodipus hispidus
• Chama
• Charina
• † Charophyte

• 

  Fossilized cranium of the Pliocene-Pleistocene hyena Chasmaporthetes

  † Chasmaporthetes
• Chironomus
• Chlamys
• † Chriacus
• † Cimolodon
• Cirsotrema
• Cissus
• Clavilithes
• Clavus – tentative report
• Closia
• Clypeaster
• Cochlespira
• Cochliolepis
• † Colodon
• Coluber

  • 

    A living Coluber constrictor , or eastern racer

    † Coluber constrictor
• 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
  • † Corvus brachyrhynchos
• † Coryphodon

• 

  Restoration of the Miocene palaeomerycid Cranioceras , a relative of modern deer, with anachronistic human to scale

  † Cranioceras
• Crassostrea
  • † Crassostrea contracta
• Cratogeomys
  • † Cratogeomys castanops
• Crenella
• † Cristellaria
• Crotalus
  • † Crotalus atrox
  • † Crotalus horridus
• Crotaphytus
  • † Crotaphytus collaris
  • † Crotaphytus reticulatus
• Cryptotis
  • † Cryptotis parva
• Cucullaea
• Culex
• Cuna
• Cuspidaria
  • † Cuspidaria grandis

• 

  Life restoration of the Pliocene-Holocene elephant relative Cuvieronius

  † Cuvieronius
• Cyclammina
• Cylichna
• † Cylindracanthus
• Cyllene – or unidentified comparable form
• † Cynarctoides
• † Cynarctus
• Cynomys
  • † Cynomys ludovicianus
• Cypraea
• Cypraedia
• Cythara
• † Daphoenictis

• 

  Life restoration of the Miocene bear-dog Daphoenodon

  † Daphoenodon
• † Daphoenus
  • † Daphoenus lambei – or unidentified comparable form
• Dasyatis
• Dasypus
  • † Dasypus bellus
• Dentalium
• Dermatemys
• † Desmatippus
• † Diaphyodus
• † Dibelodon
• † Diceratherium
• Didelphis
  • † Didelphis marsupialis
• † Dinofelis
• † Dinohippus
• † Dinohyus
  • † Dinohyus hollandi
• Diplotaxis – or unidentified comparable form
• Dipodomys
  • † Dipodomys merriami
  • † Dipodomys ordii
  • † Dipodomys spectabilis
• † Discradisca
• Disonycha
• † Dolicholatirus
• Dorsanum

• 

  Illustration of the fossilized jaws and teeth of the Eocene brontothere mammal Duchesneodus

  † Duchesneodus
• † Echmatemys
• Elaphe
  • † Elaphe guttata
  • † Elaphe obsoleta
• Eleutherodactylus
  • † Eleutherodactylus augusti
• † Ellisella
• Emarginula – or unidentified comparable form
• Endochironomus
• † Eomellivora
• † Eosurcula
• Epicauta

• 

  Mounted fossilized skeleton of the Miocene bone-crushing dog Epicyon

  † Epicyon
  • † Epicyon haydeni
• † Epihippus
• Epitonium
• Eptesicus
  • † Eptesicus fuscus
• 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

  • 

    Fossilized skeleton of the Pliocene-Pleistocene horse Equus simplicidens , also known as the Hagerman horse or American zebra

    † Equus simplicidens
  • † Equus occidentalis
• Erethizon
  • † Erethizon dorsatum
• † Eucyon
  • † Eucyon davisi
• Eulima
• Eumeces
  • † Eumeces fasciatus
  • † Eumeces obsoletus
• † Euonymus
• Eupleura
• Euspira
• † Eutrephoceras
• † Exilia
• Fasciolaria – tentative report
• Felis
• † Ficopsis

• 

  A living Ficus , or fig tree

  Ficus
• Flabellum
• † Floridachoerus – tentative report
• † Floridatragulus
• Formica
• Fossaria
• Fulgurofusus
• † Fusconaia
• Fusinus
• Fustiaria
• Gadila
• Galeocerdo
• Galeodea
• Gastrocopta
  • † Gastrocopta armifera
  • † Gastrocopta contracta
  • † Gastrocopta pellucida
  • † Gastrocopta pentodon
• † Gavialosuchus
• Gegania
• Geochelone
• Geomys
  • † Geomys bursarius
• † Gigantocamelus
• † Glossotherium
• Glycymeris
• Glyptoactis
• † Glyptotherium
  • † Glyptotherium texanum
• Glyptozaria
• † Gnathabelodon
• † Gomphotherium
• † Goniobasis
• Gopherus – type locality for genus
  • † Gopherus polyphemus – type locality for species
• Graptemys
  • † Graptemys geographica
• Gregariella
• † Gulfoceras
• † Gustafsonia
• Guttulina
• Gyraulus
  • † Gyraulus parvus
• † Hadrianus

• 

  Fossilized mandible of the Eocene horse Haplohippus

  † Haplohippus
• Harpa
• † Harpactocarcinus
• † Harpagolestes
• Hastula
• Haustator
• Hawaiia
  • † Hawaiia minuscula

• 

  Life restoration of the Pleistocene pronghorn Hayoceros

  † Hayoceros
• Helicina
  • † Helicina orbiculata
• Helicodiscus
  • † Helicodiscus parallelus
• Helisoma
  • † Helisoma anceps
  • † Helisoma trivolvis
• Heloderma
• † Hemiauchenia
  • † Hemiauchenia macrocephala
• † Herpetotherium
• † Hesperotestudo
• † Heteraletes
• Heterodon

  • 

    A living Heterodon nasicus , or Western hognose snake

    † Heterodon nasicus – or unidentified comparable form
  • † Heterodon platyrhinos – or unidentified comparable form
• † Heteromeryx
• Hexaplex
• † Hipparion
• † Hippidion
• Hippodamia
  • † Hippodamia convergens – tentative report
• Hipponix
• † Hippotherium
• Holbrookia
• † Holmesina

• 

  Restoration of Pliocene-Pleistocene Homotherium , or scimitar cat

  † Homotherium
  • † Homotherium serum
• † 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
  • † Hyracotherium vasacciense
• Ictalurus
  • † Ictalurus punctatus
• † Ictiobus

• 

  Fossilized skull of the Miocene bear Indarctos

  † Indarctos
• † Inga
• † Ischyrocyon
• † Ischyromys
• Isognomon
• † Jefitchia – type locality for genus
• Juglans
• † Kalobatippus
• Kinosternon
  • † Kinosternon flavescens
• Kuphus
• † Lacunaria
• † Lambdoceras
• † Lambertocyon
  • † Lambertocyon eximius

• 

  A living Lampropeltis getula , or eastern kingsnake

  Lampropeltis
  • † Lampropeltis getulus
  • † Lampropeltis triangulum
• Lasionycteris
  • † Lasionycteris noctivagans
• Lasiurus
  • † Lasiurus borealis
• Latirus
• † Ledina
• † Leea
• Lepisosteus
  • † Lepisosteus spatula – or unidentified comparable form
• Lepomis
  • † Lepomis cyanellus – or unidentified comparable form
• † Leptictis

• 

  Illustration of a fossilized skull of the Oligocene-Miocene dog Leptocyon

  † Leptocyon
• † Leptoreodon
• Lepus
  • † Lepus californicus
• Limacina
• Limaria
• † Limnenetes
• † Linthia
• Lithophaga
• Litiopa
• Littorina
• † Longirostromeryx

• 

  Shell of a Lovenia sea urchin

  Lovenia
• Lucina
• Lunatia – report made of unidentified related form or using admittedly obsolete nomenclature
• Lunularia – tentative report
• Lymnaea
• Lynx
  • † Lynx rufus
• Lyria
• Lytta
• † Machairodus
• Macrocallista
• Mactra
• Madrepora
• Magnolia
• † Mahgarita
• † Mammut
  • † Mammut americanum
• † Mammuthus

  • 

    Life restoration of a herd of Mammuthus columbi , or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).

    † Mammuthus columbi
• 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

• 

  Restoration of the Pliocene-Holocene ground sloth Megatherium . Robert Bruce Horsfall (1913).

  † Megatherium
• † Megatylopus
• Melanella
• † Menetus
• † Menoceras
• † Menops
• Mephitis
  • † Mephitis mephitis
• Meretrix
• † Merychippus
  • † Merychippus sejunctus
• † Merychyus

• 

  Restoration of the Eocene-Oligocene oreodont mammal Merycoidodon . Heinrich Harder (1920).

  † Merycoidodon
• Mesalia
• † Mescalerolemur – type locality for genus
  • † Mescalerolemur horneri – type locality for species
• Mesodesma
• † Mesodma
  • † Mesodma pygmaea – or unidentified comparable form
  • † Mesodma thompsoni
• † Mesohippus
• † Metalopex

• 

  Restoration of the Eocene-Miocene swamp rhinoceros Metamynodon . Charles R. Knight (1896).

  † Metamynodon
• Metula
• † Michela
• † Michenia
• Microdrillia
• Micropterus
• † Microsyops
• † Microtomarctus
• Microtus
  • † Microtus mexicanus
  • † Microtus pennsylvanicus
  • † Microtus pinetorum
• Micrurus
  • † Micrurus fulvius
• † Mimetodon
• † Miocyon
• † Miohippus
• † Miracinonyx
  • † Miracinonyx inexpectatus – or unidentified comparable form
  • † Miracinonyx studeri
• Mitrella
• † Mixotoxodon
• Modiolus – tentative report
• † Moropus
• † Morrillia
• Murex
• Mustela
  • † Mustela vison
• Myctophum
• Myliobatis
• † Mylohyus
  • † Mylohyus fossilis
• Myotis
  • † Myotis lucifugus
  • † Myotis velifer
• Mytilus
• Myzinum – or unidentified comparable form

• 

  Partial fossilized mandible of the Miocene-Pliocene horse Nannippus

  † Nannippus
• † Nanotragulus
• Narona
• Nassarius
• Nasua
• Natica
• Naticarius
• Natrix
  • † Natrix erythrogaster
• Nectandra
• † Neochoerus – type locality for genus
  • † Neochoerus pinckneyi
• Neofiber

• 

  Life restoration of a herd of Neohipparion . Robert Bruce Horsfall (1913).

  † Neohipparion
• Neotamias
  • † Neotamias cinereicollis
• Neotoma
  • † Neotoma albigula
  • † Neotoma floridana
  • † Neotoma mexicana
  • † Neotoma micropus
• Neptunea – report made of unidentified related form or using admittedly obsolete nomenclature
• Nerodia
  • † Nerodia fasciata
• Neverita
• † Nexuotapirus
• † Nimravides
• Niptus
• Norrisia
• † Notharctus
  • † Notharctus tenebrosus
• † Nothokemas

• 

  Life restoration of the Pleistocene ground sloth Nothrotheriops

  † Nothrotheriops
• † Nothrotherium
• Notiosorex
  • † Notiosorex crawfordi
• † Notiotitanops
• Notophthalmus
• Nucula
• Nysius – tentative report
• Oculina
• Odocoileus
  • † Odocoileus virginianus

• 

  A living Odontaspis sand shark

  Odontaspis
• Odostomia
• Olivella
• Ondatra
  • † Ondatra zibethicus
• Onychomys
  • † Onychomys leucogaster
  • † Onychomys torridus
• Opalia
• Opheodrys
  • † Opheodrys aestivus
• Ophisaurus
• † Oreodaphne
• Oryzomys
  • † Oryzomys palustris

• 

  Life restoration of the Miocene pronghorn Osbornoceros

  † Osbornoceros – tentative report
• Ostrea
• Ovis
  • † Ovis canadensis
• † Oxydactylus
• † Pachecoa
• † Palaeolama
• † Palaeophis
• Panopea
• Panthera
  • † Panthera leo
  • † Panthera onca
• † Paraenhydrocyon
• † Parahippus
  • † Parahippus leonensis – type locality for species
• † Paralbula

• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon

  † Paramylodon
  • † Paramylodon harlani
• † Paramys
• † Paratoceras
• † Paratomarctus
• † Parectypodus
  • † Parectypodus sloani
• † Paronychomys – tentative report
• † Parvitragulus
• † Pediomeryx

• 

  Fossilized skull of the Eocene-Oligocene lizard Peltosaurus

  † Peltosaurus – tentative report
• † Peraceras
• † Peratherium
• Perognathus
  • † Perognathus flavus
• Peromyscus
  • † Peromyscus boylii
  • † Peromyscus difficilis
  • † Peromyscus eremicus
  • † Peromyscus gossypinus
  • † Peromyscus leucopus
  • † Peromyscus maniculatus
  • † Peromyscus pectoralis
• Phaedon – or unidentified comparable form
• Phalium
• † Phenacodus
• Philine

• 

  Illustration of a fossilized skull in multiple views of the Oligocene-Miocene bone-crushing dog Phlaocyon

  † Phlaocyon
  • † Phlaocyon annectens
  • † Phlaocyon minor
• Pholadomya
• Pholas
• Phos
• Phrynosoma
  • † Phrynosoma cornutum
• Phyllodus
• Physa
• Pinna – tentative report
• Pisidium
  • † Pisidium nitidum
• Pitar
• Pituophis
  • † Pituophis melanoleucus
• Planorbis

• 

  Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus . Charles R. Knight (1922).

  † Platygonus
  • † Platygonus compressus
• † Pleiolama
• † Plesiocolopirus
• † Plesiogulo
• Pleurocera
• Pleurofusia
• Pleuromeris
• Pleuroploca
• † Pleurostoma
• Pleurotomella
• Plicatula

• 

  Fossilized skull of the Miocene horse Pliohippus

  † Pliohippus
• † Pliometanastes
• † Poabromylus
• Podomys
• † Poebrotherium
• Polinices
• Polydora
• Polygyra
• Polyschides
• Porites
• † Potamides
• † Priscocamelus
• † Pristichampsus
• Pristis
• † Procamelus
  • † Procamelus leptognathus
  • † Procamelus occidentalis
• † Procastoroides
• † Procynodictis
• Procyon
  • † Procyon lotor
• † Prohesperocyon
  • † Prohesperocyon wilsoni
• Propeamussium
• † Prosimnia
• † Prosynthetoceras
• † Protitanotherium
• † Protoceras – tentative report
• † Protohippus
• † Protolabis
• † Protylopus – tentative report
• Pseudacris
  • † Pseudacris ocularis
  • † Pseudacris streckeri

• 

  Restoration of the Miocene cat Pseudaelurus

  † Pseudaelurus – tentative report
• † Pseudhipparion
• Pseudochama
• Pseudoliva
• † Pseudoprotoceras
• † Psittacotherium
• Pteria
• Pteris
• Pterothrissus
• Pterynotus

• 

  Illustration of a fossilized skull of the Paleocene multituberculate mammal Ptilodus

  † Ptilodus
  • † Ptilodus mediaevus
• Ptinus
• Puma
  • † Puma concolor
• Pupilla
  • † Pupilla blandi
• Pupoides
• Pycnodonte
• † Pylodictis
  • † Pylodictis olivaris
• Pyramidella
• † Quadrula
• Quinqueloculina
• † Raja
  • † Raja texana – type locality for species
• † Rana

  • 

    A living Rana catesbeiana (sometimes Lithobates catesbeianus), or American bullfrog

    †Rana catesbiana – lapsus calami of Rana catesbeiana
  • † Rana pipiens
• Ranularia
• Raphitoma
• Reithrodontomys
  • † Reithrodontomys fulvescens
  • † Reithrodontomys megalotis
  • † Reithrodontomys montanus
• † Retinella
• Retusa
• Rhinobatos
• Rhinocheilus
  • † Rhinocheilus lecontei
• Rhinoptera

• 

  Restoration of the Miocene-Pliocene elephant relative Rhynchotherium

  † Rhynchotherium – tentative report
• Rimella
• Ringicula
• † Rooneyia – type locality for genus
  • † Rooneyia viejaensis – type locality for species
• † Rotalia
• † Rotularia
• Salvadora
• † Sapindus
• Sassia
• Scalopus
  • † Scalopus aquaticus
• Scaphander
• Scaphella

• 

  A living Scaphiopus , or North American spadefoot toad

  Scaphiopus
• † Scaphites
• Sceloporus
  • † Sceloporus olivaceus
  • † Sceloporus undulatus
• Sciurus
  • † Sciurus carolinensis
  • † Sciurus niger
• † Selaginella
• Selenophorus – or unidentified comparable form
• Semele
• Serpulorbis
• Sigatica
• Sigmodon

  • 

    A living Sigmodon , or cotton rat

    † Sigmodon hispidus
• Siliqua
• Simnia
• † Sinopa
• Sinum
• Siphonalia
• Siren
  • † Siren miotexana – type locality for species
• Skena
• Skenea

• 

  Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon

  † Smilodon
  • † Smilodon fatalis
• † Soergelia
  • † Soergelia mayfieldi
• Solariella
• Solemya
• Solen
• † Sophora
• Sorex
  • † Sorex cinereus
  • † Sorex palustris
  • † Sorex vagrans
• Spermophilus
  • † Spermophilus elegans – or unidentified comparable form

  • 

    A living Xerospermophilus spilosoma , or spotted ground squirrel

    † Spermophilus spilosoma
  • † Spermophilus tridecemlineatus
  • † Spermophilus variegatus
• Sphaerium
• Spilogale
  • † Spilogale putorius
• Spirorbis
• Spirotropis
• Spisula
• Stagnicola
  • † Stagnicola reflexa

• 

  Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon

  † Stegomastodon
  • † Stegomastodon mirificus
• † Steneofiber
• † Stenomylus
• † Stenotrema
• Sternotherus
• Sthenictis
• † Stockoceros – or unidentified comparable form
• Storeria
  • † Storeria dekayi
• † Striatolamia
• Strobilops
• † Stygimys

• 

  Life restoration of the Eocene taeniodont mammal Stylinodon mirus

  † Stylinodon
• Succinea
• Sylvilagus
  • † Sylvilagus audubonii
  • † Sylvilagus floridanus
• Synaptomys
  • † Synaptomys cooperi
• † Synthetoceras
  • † Synthetoceras tricornatus – type locality for species
• Syrphus – or unidentified comparable form
• Tantilla
• Tanytarsus – tentative report
• Tapirus
  • † Tapirus veroensis
• Taxidea
  • † Taxidea taxus
• Teinostoma

• 

  Restoration of the Miocene-Pliocene rhinoceros Teleoceras

  † Teleoceras
  • † Teleoceras major
• Tellina
• Tenagodus
• † Tephrocyon
• Terebellum
• Terebra
• Teredo
• Terminalia
• Terrapene

  • 

    A living Terrapene carolina , or common box turtle

    † Terrapene carolina
  • † Terrapene ornata
• Testudo
• † Tetrameryx
• Thamnophis
  • † Thamnophis proximus
  • † Thamnophis saurita
  • † Thamnophis sirtalis
• Theodoxus
• † Thinobadistes
• Thomomys
  • † Thomomys bottae
  • † Thomomys talpoides – or unidentified comparable form
• † Ticholeptus

• 

  Life restoration of the Paleocene pantodont mammal Titanoides

  † Titanoides
  • † Titanoides gidleyi – or unidentified comparable form
• † Tomarctus
  • † Tomarctus brevirostris
• † Toromeryx
• † Trigonias – tentative report
• Trigonostoma
• † Trinacria
• † Tripia
• Trochita
• Tropidoclonion
  • † Tropidoclonion lineatum
• † Truncilla
  • † Truncilla truncata
• † Trygon
• † Tuba
• Tucetona
• Turbonilla
• Turricula
• Turris
• Turritella
• Tympanuchus
• Typhina
• Tyto
  • † Tyto alba

• 

  Life restoration of the Eocene mammal Uintatherium

  † Uintatherium – or unidentified comparable form
  • † Uintatherium anceps
• Umbraculum
• Unio
• Urocyon
  • † Urocyon cinereoargenteus – or unidentified comparable form
• Ursus
  • † Ursus americanus
• † Ustatochoerus
• Vallonia
  • † Vallonia gracilicosta
  • † Vallonia parvula
• Venericardia
• Verticordia
• Vertigo
  • † Vertigo ovata
• † Viridomys
• † Volvariella
• Vulpes
  • † Vulpes velox
  • † Vulpes vulpes

• 

  Fossilized skull of the Pliocene-Pleistocene wolf Xenocyon

  † Xenocyon
• Xenophora
• Yoldia
• † Yumaceras
• Zonitoides
  • † Zonitoides arboreus

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.