List of the Cenozoic life of Texas

This list of the Cenozoic life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas and are between 66 million and 10,000 years of age.

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
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• P
• Q
• R
• S
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• † Abdounia
  • † Abdounia enniskilleni
  • † Abdounia recticona
• Abra
  • † Abra nitens
  • † Abra petropolitana

• 

  Shell of an Acanthocardia cockle

  Acanthocardia
  • † Acanthocardia tuomeyi
• Acar
  • † Acar aspera
• Acirsa
  • † Acirsa whitneyi
• † Aclistomycter
  • † Aclistomycter dunagani – type locality for species
  • † Aclistomycter middletoni – type locality for species
• Acris
  • † Acris crepitans

• 

  Shells of Acteocina barrel-bubble sea snails

  Acteocina
• Acteon
  • † Acteon idoneus
  • † Acteon pomilis
  • † Acteon pomilius
  • † Acteon punctatus
• Adeonellopsis – tentative report
• † Adjidaumo
  • † Adjidaumo minutus – or unidentified comparable form
• Admetula
  • † Admetula irregularis – type locality for species
• Adrana
  • † Adrana aldrichiana
• Aedes
• † Aelurodon
  • † Aelurodon ferox
  • † Aelurodon taxoides

• 

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

  † Aepycamelus
• Agaronia
  • † Agaronia bombylis
  • † Agaronia media
  • † Agaronia mediavia
• Agkistrodon
• † Agriocharis
  • † Agriocharis anza
• † Agriochoerus
  • † Agriochoerus antiquus
• † Agriotherium
  • † Agriotherium schneideri
• † Agrobuccinium
• † Agrobuccinum
  • † Agrobuccinum mansfieldi
• † Aguascalientia
• † Aguispira
  • † Aguispira alternata
• Akera
  • † Akera texana
• † Alforjas
  • † Alforjas taylori – type locality for species
• Aliculastrum
• † Alilepus
  • † Alilepus wilsoni
• † Allaeochelys – or unidentified comparable form
• Alligator
  • † Alligator mississipiensis
  • † Alligator mississippiensis

  • 

    Fossilized forelimbs of the Miocene Alligator olseni , or Olsen's Alligator

    † Alligator olseni
• † Allognathosuchus
• † Allomorone
  • † Allomorone burlesonis
• † Allophaiomys
  • † Allophaiomys pliocaenicus
• † Altaspiratella
  • † Altaspiratella bearnensis – tentative report
• Alvania
• † Alveinus
  • † Alveinus minutus
• Amaea
  • † Amaea macula – type locality for species
  • † Amaea texana – type locality for species
• † Amaurellina
  • † Amaurellina plummeri – type locality for species
  • † Amaurellina singleyi
• † Amblema
  • † Amblema plicata
• † Ambystoma
  • † Ambystoma tigrinum

• 

  Life restoration of the Miocene elephant relative Amebelodon . Margret Flinsch (1932).

  † Amebelodon
  • † Amebelodon britti
  • † Amebelodon floridanus
  • † Amebelodon fricki – or unidentified comparable form
• † Ameiurus
• † Amentogerdiopollenites – type locality for genus
  • † Amentogerdiopollenites oligocenensis – type locality for species
• † Amentoplexipollenites – type locality for genus
  • † Amentoplexipollenites catahoulaensis – type locality for species
• Amnicola
  • † Amnicola integra
• † Amphicyon
  • † Amphicyon longiramus
  • † Amphicyon pontoni

• 

  Fossilized skull of the Miocene saber-toothed cat Amphimachairodus

  † Amphimachairodus
  • † Amphimachairodus coloradensis – or unidentified comparable form
• Amphiuma
  • † Amphiuma antica – type locality for species
• † Amplobalanus – type locality for genus
  • † Amplobalanus texensis – type locality for species
• † Ampullina
  • † Ampullina dumblei
  • † Ampullina recurva
• Amuletum
  • † Amuletum curvocostatum
• Amusium
  • † Amusium zinguli – type locality for species
• † Amynodon
  • † Amynodon advenus
• † Amynodontopsis
  • † Amynodontopsis bodei
• Anadara
  • † Anadara vaughani

• 

  Life restoration of the Miocene-Pleistocene elephant relative Anancus

  † Anancus
  • † Anancus defloccatus – type locality for species
  • † Anancus orarius – type locality for species
• † Anchitheriomys
• † Anchitherium
  • † Anchitherium navasotae – type locality for species
• Ancilla
  • † Ancilla staminea – type locality for species
  • † Ancilla staminea punctulifera
• † Angelarctocyon
  • † Angelarctocyon australis – type locality for species
• † Angulithes
  • † Angulithes elliotti
• † Anilioides
  • † Anilioides nebraskensis – or unidentified comparable form
• † Anisaster
  • † Anisaster mossomi

• 

  Modern fruit, whole and in cross-section of an Annona tree

  † Annona
  • † Annona ampla
• Anodontia
  • † Anodontia reklawensis – type locality for species
• † Anomalofusus
• Anomia
  • † Anomia argentaria
  • † Anomia ephippioides
  • † Anomia lisbonensis
• Antalis
  • † Antalis minutistriatum
  • † Antalis mississippiense
  • † Antalis palmerae – type locality for species
• Anthonomus – tentative report
• † Antiguastrea
  • † Antiguastrea cellulosa
• Antillophos
  • † Antillophos multilineatum – type locality for species
• Antrozous
  • † Antrozous pallidus
• † Aphelops
  • † Aphelops malacorhinus
  • † Aphelops megalodus
  • † Aphelops mutilus
• † Aplexia
  • † Aplexia hypnorum
• Aplodinotus
  • † Aplodinotus grunniens
• † Apocynophyllum
  • † Apocynophyllum wilcoxense
• † Apternodus
  • † Apternodus iliffensis
• Aquila
  • † Aquila chrysaetos
• Arca
  • † Arca petropolitana
• † Archaeohippus
  • † Archaeohippus blackbergi – type locality for species
• † Archaeolagus
  • † Archaeolagus acaricolus – or unidentified comparable form
  • † Archaeolagus buangulus – type locality for species

• 

  Life restoration of the Eocene-Oligocene entelodont mammal Archaeotherium

  † Archaeotherium
  • † Archaeotherium mortoni – or unidentified comparable form
• Architectonica
  • † Architectonica aldrichi – type locality for species
  • † Architectonica alveatum
  • † Architectonica amoena
  • † Architectonica bellensis
  • † Architectonica bellistriata
  • † Architectonica bimixta
  • † Architectonica elaborata
  • † Architectonica fimbriaea – type locality for species
  • † Architectonica geminicostata – type locality for species
  • † Architectonica huppertzi
  • † Architectonica meekana
  • † Architectonica ornata
  • † Architectonica phoenicea
  • † Architectonica planiformis
  • † Architectonica reklawensis – type locality for species
  • † Architectonica texcarolina
  • † Architectonica vespertina
• Arcopagia
  • † Arcopagia trumani
• † Arctocyon
  • † Arctocyon mumak – or unidentified comparable form

• 

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

  † Arctodus
  • † Arctodus simus
• † Arctonasua
  • † Arctonasua gracilis – or unidentified comparable form
• † Ardynomys
  • † Ardynomys occidentalis
• Argobuccinum
• Argyrotheca
  • † Argyrotheca powersi
• Arius – or unidentified comparable form
• Arizona
  • † Arizona elegans
• † Arretotherium
  • † Arretotherium acridens
• † Artocarpus
  • † Artocarpus lessigiana
• Astarte
• Asthenotoma
  • † Asthenotoma eximia
• † Astrohippus
  • † Astrohippus ansae – type locality for species
  • † Astrohippus stockii

• 

  Multiple views of a fossilized shell of the volute sea snail Athleta

  Athleta
  • † Athleta dalli
  • † Athleta kerensensis
  • † Athleta limopsis
  • † Athleta limposis
  • † Athleta lisbonensis
  • † Athleta olssoni
  • † Athleta petrosa
  • † Athleta rugatus
  • † Athleta stenzeli
  • † Athleta symmetricus
  • † Athleta texanus
  • † Athleta wheelockensis
• † Athletea
  • † Athletea petrosus
• Atlanta
  • † Atlanta eocenica
• † Atopomys
  • † Atopomys texensis
• Atractosteus
  • † Atractosteus spatula
  • † Atractosteus tristoechus – tentative report
• Atrina
  • † Atrina cawcawensis
  • † Atrina gardnerae

• 

  Restoration of the Paleocene-Miocene nautiloid cephalopod Aturia

  † Aturia
  • † Aturia brazoensis
  • † Aturia laticlavia
  • † Aturia triangula
  • † Aturia turneri
• Atys
  • † Atys atysopsis
  • † Atys trapaquara
• † Aulolithomys
  • † Aulolithomys bounites
• † Australocamelus
  • † Australocamelus orarius – type locality for species
• † Auxontodon
• † Awateria
  • † Awateria retifera

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
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• W
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• † Baioconodon
• Baiomys
  • † Baiomys rexroadi
• † Baiotomeus
  • † Baiotomeus douglassi
• Bairdia
  • † Bairdia oviformis

• 

  A living Balanophyllia stony coral

  Balanophyllia
  • † Balanophyllia augustinensis – type locality for species
  • † Balanophyllia desmophyllum
  • † Balanophyllia irrorata
  • † Balanophyllia ponderosa
• Balanus
• Balcis
  • † Balcis exilis
  • † Balcis tenua
  • † Balcis wheeleri

• 

  Three fossilized shells of the Late Cretaceous-Eocene marine bivalve Baluchicardia

  † Baluchicardia
  • † Baluchicardia bulla
  • † Baluchicardia hesperia
  • † Baluchicardia moa
  • † Baluchicardia whitei
  • † Baluchicardia wilcoxensis
• Bankia
  • † Bankia petalus – type locality for species
• † Baptemys – or unidentified comparable form
• Barbatia
  • † Barbatia cuculloides
  • † Barbatia deusseni
  • † Barbatia ludoviciana
  • † Barbatia reklawensis – type locality for species
  • † Barbatia salebrosus – type locality for species
  • † Barbatia uxorispalmeri

• 

  Fossilized skull of the Miocene-Pliocene false saber-toothed cat Barbourofelis

  † Barbourofelis
  • † Barbourofelis whitfordi
• Bassariscus
  • † Bassariscus casei
• Bathyarca
  • † Bathyarca claibornica – type locality for species
• † Bathygenys
  • † Bathygenys reevesi – type locality for species
• Bathytoma
  • † Bathytoma nonplicata – or unidentified comparable form
• Bathytormus
  • † Bathytormus flexurus
• † Batrachosauroides
  • † Batrachosauroides dissimulans
• † Bauzaia – type locality for genus
  • † Bauzaia lamberi – type locality for species
  • † Bauzaia melrosensis
  • † Bauzaia mucronata
• † Beckiasorex
  • † Beckiasorex hibbardi
• Bela – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Bela rebeccae
• † Belosaepia
  • † Belosaepia pennae – type locality for species
  • † Belosaepia ungula
  • † Belosaepia ungulata
• † Belosepia
  • † Belosepia pennae – type locality for species
• † Bensonomys
  • † Bensonomys coffeyi
• † Beretra
  • † Beretra ornatula – or unidentified related form
• Bison
  • † Bison alaskensis
  • † 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
  • † Bittiolum webbi
• Bittium
  • † Bittium anita
  • † Bittium estellense
  • † Bittium estellensis
  • † Bittium henryleai
  • † Bittium ridgei – type locality for species
  • † Bittium tresquatrum – type locality for species
• † Blancocamelus
  • † Blancocamelus meadei
• † Blancotherium – type locality for genus ^[1]
  • † Blancotherium buckneri – type locality for species. Formerly known as Gnathabelodon buckneri. ^[1]
• Blarina
  • † Blarina brevicauda – or unidentified comparable form
• † Blastomeryx
  • † Blastomeryx vigoratus – type locality for species

• 

  Fossilized skeleton of the eocene-?Miocene boa snake Boavus

  † Boavus – tentative report
  • † Boavus affinis
• † Bolis
  • † Bolis enterogramma
• † Bombacacidites
  • † Bombacacidites paulus
• † Bomburia – or unidentified comparable form
• † Bonellitia
  • † Bonellitia bastropensis
  • † Bonellitia parilis
• † Borealosuchus
• Bornia
  • † Bornia prima
  • † Bornia zapataensis

• 

  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
• † Bouromeryx
  • † Bouromeryx submilleri
• † Boverisuchus
  • † Boverisuchus vorax – or unidentified comparable form
• Brachidontes
  • † Brachidontes alabamensis
  • † Brachidontes saffordi
  • † Brachidontes texanus
• Brachiodontes
• † Brachyerix – tentative report
  • † Brachyerix hibbardi – type locality for species
• † Brachyhyops
  • † Brachyhyops viensis
  • † Brachyhyops wyomingensis
• † Brachyopsigale
  • † Brachyopsigale dubius

• 

  Skeletal reconstruction of the Eocene-Oligocene bear-dog Brachyrhynchocyon

  † Brachyrhynchocyon
  • † Brachyrhynchocyon dodgei
• † Brauzaia
  • † Brauzaia melrosensis
• † Brazosiella – type locality for genus
  • † Brazosiella kokeni – type locality for species
  • † Brazosiella moselevi
  • † Brazosiella moseleyi – type locality for species
• Bregmaceros
  • † Bregmaceros troelli – type locality for species
• Brissus
  • † Brissus exiguus
• † Bryozoan
• Bufo

  • 

    A living Anaxyrus cognatus (formerly Bufo cognatus), or Great Plains toad

    † Bufo cognatus
  • † Bufo woodhousei
• † Buisnictis
  • † Buisnictis breviramus
• Bulimulus
  • † Bulimulus dealbatus
• Bullia
  • † Bullia altilis – type locality for species
  • † Bullia ancillops
  • † Bullia ellipticum – type locality for species
  • † Bullia tenera
• † Bulovia
  • † Bulovia weisbordi

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

• Cadulus
  • † Cadulus abruptus
  • † Cadulus aldrichi
  • † Cadulus bisissura – type locality for species
  • † Cadulus ouachitensis
  • † Cadulus phoenicea
  • † Cadulus subcoarcuatus
  • † Cadulus turgidus
• Caecum – or unidentified comparable form
• † Caenolambda
  • † Caenolambda jepseni
• Caestocorbula
  • † Caestocorbula wailesiana
• † Calamagras
  • † Calamagras weigeli

• 

  Fossilized carapace of the Paleocene-Miocene crab Calappilia

  † Calappilia
  • † Calappilia diglypta
• † Calippus
  • † Calippus cerasinus – or unidentified comparable form
  • † Calippus circulus – type locality for species
  • † Calippus large informal
  • † Calippus martini
  • † Calippus placidus
  • † Calippus proplacidus
  • † Calippus regulus – type locality for species
• Callianassa
  • † Callianassa brazoensis
  • † Callianassa wechesensis
• Callucina
  • † Callucina sabelli
• † Calorhadia
  • † Calorhadia bella
  • † Calorhadia compsa
  • † Calorhadia diminutia – type locality for species
  • † Calorhadia opulenta
• Calyptraea
• † Calyptraphorus
  • † Calyptraphorus aldrichi
  • † Calyptraphorus popenoe
  • † Calyptraphorus trinodiferus
  • † Calyptraphorus velatus

• 

  Mounted fossilized skeleton of the Pliocene-Holocene camel Camelops

  † Camelops
  • † Camelops hesternus – type locality for species
  • † Camelops minidokae
• † Camptoceratops
  • † Camptoceratops priscus – type locality for species
• Cancellaria
• † Cancelrana
  • † Cancelrana finexa
• Candona
  • † Candona lactea – or unidentified comparable form
  • † Candona nyensis
• Canis
  • † Canis armbrusteri
  • † Canis dirus
  • † Canis edwardii
  • † Canis latrans
  • † Canis lepophagus – type locality for species
• Cantharus
  • † Cantharus casteri

• 

  Fossilized skeleton of the Pleistocene dwarf pronghorn Capromeryx

  † Capromeryx
  • † Capromeryx furcifer
• Capulus
  • † Capulus americanus
• Carapus
  • † Carapus smithvillensis – type locality for species
• Carcharhinus
  • † Carcharhinus gibbesi
• Cardiomya
  • † Cardiomya fredsmithi – type locality for species
• Cardium  [ fr; nl; sv ]
• † Caricella
  • † Caricella cherokeensis
  • † Caricella demissa
  • † Caricella heilprini
  • † Caricella stenzeli
• † Carpocyon
  • † Carpocyon robustus
• † Carpolithus
• Carychium
  • † Carychium exiguum
• Caryocorbula
  • † Caryocorbula cappa
  • † Caryocorbula coloradoensis
  • † Caryocorbula deusseni
  • † Caryocorbula engonatoides
  • † Caryocorbula kennedyi
  • † Caryocorbula marquezensis – type locality for species

• 

  A living Caryophyllia solitary coral

  Caryophyllia
  • † Caryophyllia constricta – type locality for species
  • † Caryophyllia mediavia – type locality for species
  • † Caryophyllia texana – type locality for species
• Castor
  • † Castor canadensis
• Catagonus
• † Caveola
  • † Caveola ostium – type locality for species
• Celleporaria
  • † Celleporaria granulosa
• Celtis
• † Centetodon
  • † Centetodon chadronensis
  • † Centetodon pulcher
• Centropomus – tentative report
• Ceratobulimina
  • † Ceratobulimina eximia

• 

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

  † Ceratogaulus
  • † Ceratogaulus anecdotus – or unidentified comparable form
• † Cerdocyon
  • † Cerdocyon texanus – type locality for species
• Cerithiella
  • † Cerithiella terebropsis
• † Cerithioderma
  • † Cerithioderma primum
• Cerithiopsis
• Cerithium – tentative report
• Chaetodipus
  • † Chaetodipus hispidus
• Chama
  • † Chama taylorensis – type locality for species
• Charina
  • † Charina prebottae
• † Charophyte
  • † Charophyte oogonia

• 

  Fossilized cranium of the Pliocene-Pleistocene hyena Chasmaporthetes

  † Chasmaporthetes
  • † Chasmaporthetes ossifragus
• † Chiromyoides
  • † Chiromyoides minor – or unidentified comparable form
  • † Chiromyoides potior
• Chironomus
  • † Chironomus kirklandi – type locality for species
• Chlamys
  • † Chlamys beverlyi
  • † Chlamys burlesonensis
• † Chriacus
  • † Chriacus baldwini
• † Cimolodon
• † Cimomia
  • † Cimomia vaughani – type locality for species
• Cirsotrema
  • † Cirsotrema nassulum
• Cissus
  • † Cissus pulcherrima
• † Claibornichthys
  • † Claibornichthys troelli – type locality for species

• 

  Multiple views of a fossilized shell of the Paleocene-Pliocene spindle sea snail Clavilithes

  Clavilithes
  • † Clavilithes acus – type locality for species
  • † Clavilithes chamberlaini
  • † Clavilithes kennedyanus
  • † Clavilithes parvetorbis – type locality for species
  • † Clavilithes penrosei
  • † Clavilithes regexus
  • † Clavilithes texanus
• Clavus – tentative report
  • † Clavus dipta
• † Cleonidius
  • † Cleonidius channingensis – type locality for species
  • † Cleonidius ritablancaensis – type locality for species
• Clithrocytheridea
  • † Clithrocytheridea garretti
• Closia
  • † Closia semen
  • † Closia semenoides
• Clypeaster
  • † Clypeaster oxybaphon – or unidentified comparable form
  • † Clypeaster rogersi
• † Cochlefusia
  • † Cochlefusia serrae – type locality for species

• 

  Shell of a Cochlespira sea snail

  Cochlespira
  • † Cochlespira bastropensis
  • † Cochlespira bella
  • † Cochlespira columbaria
  • † Cochlespira engonata
  • † Cochlespira greggi – tentative report
• † Cochlespirella
  • † Cochlespirella nana
• † Cochlespiropsis
  • † Cochlespiropsis engonata
• Cochliolepis
  • † Cochliolepis palaeocenica – type locality for species
• Cochlodesma
  • † Cochlodesma howei – or unidentified comparable form
  • † Cochlodesma ovalis – type locality for species
• † Colodon
  • † Colodon stovalli
• Coluber

  • 

    A living Coluber constrictor , or eastern racer

    † Coluber constrictor
• Colubraria
  • † Colubraria cedri
• Columbella – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Columbella punctostriata
• † Colwellia
  • † Colwellia bilineata – type locality for species
• † Combretum
  • † Combretum bartonii
• Cominella – or unidentified comparable form
  • † Cominella pachecoi
• Conomitra
  • † Conomitra texana
• Conopeum
  • † Conopeum damicornis
• † Contracuparius – type locality for genus
  • † Contracuparius huntsvillensis – type locality for species
  • † Contracuparius robustus – type locality for species

• 

  Fossilized shell of a Conus cone snail

  Conus
  • † Conus sauridens – type locality for species
  • † Conus smithvillensis
• † Copemys
• † Coptostoma
  • † Coptostoma rameum
  • † Coptostoma ulmulum
• Corbicula
  • † Corbicula texana
• Corbula
  • † Corbula alabamiensis
  • † Corbula augustae
  • † Corbula cappa
  • † Corbula coloradoensis
  • † Corbula kennedyi
  • † Corbula marquezensis – type locality for species
  • † Corbula milium
  • † Corbula texana – type locality for species

• 

  Fossilized skeleton preserved in situ (upper left, 2) of the Miocene-Pliocene horse Cormohipparion

  † Cormohipparion
  • † Cormohipparion fricki – type locality for species
  • † Cormohipparion goorisi
  • † Cormohipparion ingenuum – type locality for species
  • † Cormohipparion skinneri – type locality for species
• † Cornulina
  • † Cornulina armigera
  • † Cornulina dalli
  • † Cornulina minax – type locality for species
• † Coronia
  • † Coronia alternata
  • † Coronia anacona
  • † Coronia childreni
  • † Coronia genitiva
  • † Coronia margaritosa
  • † Coronia mediavia
  • † Coronia nodoidea
  • † Coronia nucleata
  • † Coronia ostrarupis
  • † Coronia sublerchi
  • † Coronia taylori – type locality for species
• † Corvina
  • † Corvina intermedia
• Corvus
  • † Corvus brachyrhynchos
• † Coryphodon
  • † Coryphodon armatus

• 

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

  † Cranioceras
  • † Cranioceras teres – type locality for species
• Crassatella
  • † Crassatella antestriata
  • † Crassatella gabbi
  • † Crassatella ioannes
  • † Crassatella texalta
  • † Crassatella texana
  • † Crassatella trapaquara
• Crassinella
  • † Crassinella aldrichi
  • † Crassinella minor
  • † Crassinella pteleina

• 

  Fossilized shell of the Cretaceous-modern oyster Crassostrea

  Crassostrea
  • † Crassostrea amichel
  • † Crassostrea contracta
  • † Crassostrea frionis
• Cratogeomys
  • † Cratogeomys castanops
• Crenella
  • † Crenella margaritacea
• † Crenodonta
  • † Crenodonta perplicata
• † Creonella
• Creseis
• † Cristellaria
  • † Cristellaria orelliana
  • † Cristellaria rotulata
  • † Cristellaria torrida
• Crotalus
  • † Crotalus atrox

  • 

    A living Crotalus horridus , or timber rattlesnake

    † Crotalus horridus
• Crotaphytus
  • † Crotaphytus collaris
  • † Crotaphytus reticulatus
• † Cryptochorda
  • † Cryptochorda eureia
  • † Cryptochorda stenostoma
• Cryptotis
  • † Cryptotis parva
• Ctenoides
  • † Ctenoides bastropensis
• † Cubitostrea
  • † Cubitostrea divaricata
  • † Cubitostrea lisbonensis
  • † Cubitostrea petropolitana
  • † Cubitostrea sanctiaugustini
  • † Cubitostrea sellaeformis
  • † Cubitostrea smithvillensis

• 

  Shell of a Cucullaea , or false ark shell

  Cucullaea
  • † Cucullaea kaufmanensis
  • † Cucullaea macrodonta
  • † Cucullaea saffordi
  • † Cucullaea texana
• Culex
• Cuna
• † Cuneocorbula
  • † Cuneocorbula subengonata
• † Cupanites
  • † Cupanites formosus
• † Cupidinimus
• Cuspidaria
  • † Cuspidaria grandis

• 

  Life restoration of the Pliocene-Holocene elephant relative Cuvieronius

  † Cuvieronius
• Cyclammina
• Cyclostremiscus
  • † Cyclostremiscus axacuus
  • † Cyclostremiscus dalli
  • † Cyclostremiscus exacuus
  • † Cyclostremiscus sylvaerupis
• Cylichna
  • † Cylichna bicarinata – type locality for species
• † Cylindracanthus
• † Cylindrodon
• Cyllene – or unidentified comparable form
  • † Cyllene bellana

• 

  Underside of a fossilized cranium of the Oligocene-Miocene bone-crushing dog Cynarctoides

  † Cynarctoides
  • † Cynarctoides whistleri
• † Cynarctus
  • † Cynarctus crucidens
• Cynomys
  • † Cynomys ludovicianus
  • † Cynomys spenceri
• Cypraea
• Cypraedia
  • † Cypraedia subcancellata – type locality for species
• † Cypraeorbis
  • † Cypraeorbis bulbus – type locality for species
• Cypridopsis
  • † Cypridopsis vidua
• Cythara
  • † Cythara schotti
• Cythere
  • † Cythere claiborniana
  • † Cythere evergreenica
  • † Cythere leeana
  • † Cythere orelliana
  • † Cythere texana
• † Cythereis
  • † Cythereis bursilloides
  • † Cythereis davidwhitei
  • † Cythereis elmana
  • † Cythereis elongata – type locality for species
  • † Cythereis fragillissima – type locality for species
  • † Cythereis hilgardi
  • † Cythereis linospinosa – type locality for species
  • † Cythereis montgomeryensis
  • † Cythereis quinquespinosa – type locality for species
  • † Cythereis reklawensis – type locality for species
  • † Cythereis russelli
  • † Cythereis sinuata – type locality for species
  • † Cythereis smithvillensis – type locality for species
  • † Cythereis spinosa – type locality for species
  • † Cythereis splendens – type locality for species
  • † Cythereis uptonensis – type locality for species
  • † Cythereis washburni – type locality for species
• Cytherella
  • † Cytherella fimbricinctus – type locality for species
  • † Cytherella texana
• Cytheridea
  • † Cytheridea compressa – type locality for species
  • † Cytheridea habropapillosa – type locality for species
  • † Cytheridea mulleri
  • † Cytheridea subovata – type locality for species
  • † Cytheridea subpyriformis – type locality for species
• Cytheropteron
  • † Cytheropteron minutum – type locality for species
  • † Cytheropteron virgineum

D

Contents

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• B
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• D
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• F
• G
• H
• I
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• M
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• † Dakotaophis
  • † Dakotaophis greeni
• † Daphoenictis
• † Daphoenodon
  • † Daphoenodon notionastes
• † Daphoenus
  • † Daphoenus lambei – or unidentified comparable form
• Dasyatis
• Dasypus

  • 

    Fossilized mandible in multiple views of the Pleistocene Dasypus bellus , or beautiful armadillo

    † Dasypus bellus
• † Delahomeryx
  • † Delahomeryx browni – type locality for species
• Dentalium
  • † Dentalium mediaviense
  • † Dentalium palmerae – type locality for species
  • † Dentalium thalloides – or unidentified related form
• Dermatemys
• † Desmatippus
  • † Desmatippus texanus
• † Diablomomys – type locality for genus
  • † Diablomomys dalquesti – type locality for species
• † Diaphyodus
  • † Diaphyodus wilsoni – type locality for species
• † Dibelodon
  • † Dibelodon praecursor

• 

  Restoration of the Oligocene-Miocene hornless rhinoceros Diceratherium . Robert Bruce Horsfall (1913).

  † Diceratherium
  • † Diceratherium annectens
  • † Diceratherium armatum
• Didelphis
  • † Didelphis marsupialis
• † Dillenites
  • † Dillenites microdentatus
  • † Dillenites texensis
• † Dinofelis
  • † Dinofelis palaeoonca
• † Dinohippus
  • † Dinohippus interpolatus – type locality for species
  • † Dinohippus mexicanus – or unidentified comparable form
• † Dinohyus
  • † Dinohyus hollandi
• Diplodonta
  • † Diplodonta anterproductus
  • † Diplodonta petropolitana
  • † Diplodonta satex
• Diplotaxis – or unidentified comparable form
• Dipodomys
  • † Dipodomys merriami
  • † Dipodomys ordii
  • † Dipodomys pattersoni – type locality for species
  • † Dipodomys spectabilis
• † Dirocerithium
  • † Dirocerithium wechesense
• † Discotrochus
  • † Discotrochus orbignianus
• † Discradisca
  • † Discradisca littigensis
• Disonycha
• † Dolicholatirus
  • † Dolicholatirus harrisi
  • † Dolicholatirus leaensis
  • † Dolicholatirus obtusus
  • † Dolicholatirus singleyi
• † Domenginella
  • † Domenginella ridgei – type locality for species
• † Domingella
  • † Domingella ridgei – type locality for species
• Dorsanum
  • † Dorsanum – type locality for species informal
  • † Dorsanum scalatum
• † Drepanomeryx
  • † Drepanomeryx falciformis
• † Dryophyllum
  • † Dryophyllum tennesseensee

• 

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

  † Duchesneodus
  • † Duchesneodus uintensis

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• M
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• † Eburneopecten
  • † Eburneopecten scintillatus

• 

  Fossilized shell of the Eocene turtle Echmatemys

  † Echmatemys
• † Ectypodus
  • † Ectypodus musculus
• † Edaphocyon
  • † Edaphocyon pointblankensis – type locality for species
• † Ekokenia
  • † Ekokenia eporrecta
• Elaphe
  • † Elaphe guttata
  • † Elaphe nebraskensis
  • † Elaphe obsoleta
• Eleutherodactylus
  • † Eleutherodactylus augusti
• † Ellipsechinus
  • † Ellipsechinus prisca
• † Ellisella

• 

  Shell of an Emarginula keyhole limpet

  Emarginula – or unidentified comparable form
• Endochironomus
• Endopachys
  • † Endopachys maclurii
• Engelhardia ^[2]
  • † Engelhardia trinitiensis – type locality for species ^[2]
• † Eoancilla
  • † Eoancilla hordea – type locality for species
• † Eocypraea
  • † Eocypraea estellensis
• † Eocythara – type locality for genus
  • † Eocythara lineata – type locality for species
  • † Eocythara texanum – type locality for species
• † Eodichroma – type locality for genus
  • † Eodichroma mirifica – type locality for species
• † Eodrilla
  • † Eodrilla texana
• † Eodrillia
  • † Eodrillia texana
  • † Eodrillia texanopsis
• † Eomellivora
• † Eopleurotoma
  • † Eopleurotoma bimoniata
  • † Eopleurotoma lisboncola
  • † Eopleurotoma nodocarinata
• † Eosolea – type locality for genus
  • † Eosolea texana – type locality for species
• † Eosurcula
  • † Eosurcula moorei – type locality for species
  • † Eosurcula superpons
• † Eotylopus
  • † Eotylopus reedi – or unidentified comparable form
• Epicauta

• 

  Mounted fossilized skeleton of the Miocene bone-crushing dog Epicyon

  † Epicyon
  • † Epicyon haydeni
  • † Epicyon saevus
• † Epihippus
  • † Epihippus gracilis
• Epilucina
• Episcynia
  • † Episcynia bastropensis
• Episiphon
  • † Episiphon gracilis – type locality for species
• Epitonium
  • † Epitonium cookii
  • † Epitonium dolosum
  • † Epitonium multiliniferum
• † Epitriplopus
• Eponides
  • † Eponides patelliformis
  • † Eponides texana
• Eptesicus
  • † Eptesicus fuscus
  • † Eptesicus hemphillensis – type locality for species
• Equus
  • † Equus alaskae – or unidentified comparable form
  • † Equus complicatus
  • † Equus conversidens
  • † Equus francisci – type locality for species
  • † Equus giganteus
  • † Equus idahoensis
  • † Equus midlandensis
  • † 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
• Erethizon
  • † Erethizon dorsatum
• † Eucheilodon
  • † Eucheilodon reticulata
• † Eucyon
  • † Eucyon davisi
• Eucytherura
  • † Eucytherura claibornensis – type locality for species
• Eulima
  • † Eulima extremis
  • † Eulima tenaxa

• 

  A living Plestiodon obsoletus (formerly Eumeces obsoletus), or Great Plains skink

  Eumeces
  • † Eumeces fasciatus
  • † Eumeces miobsoletus – type locality for species
  • † Eumeces obsoletus
• † Euonymus
  • † Euonymus glanduliferus
• Eupleura
  • † Eupleura morula
• † Euryochetus
  • † Euryochetus punctatum – type locality for species
• Eurytellina
  • † Eurytellina milamensis – type locality for species
  • † Eurytellina mooreana
  • † Eurytellina papyria

• 

  Shell of a Euspira moon sea snail

  Euspira
  • † Euspira aldrichi
  • † Euspira jacksonensis
  • † Euspira marylandica
  • † Euspira perspecta
• † Eutrephoceras
  • † Eutrephoceras reesidei
• † Eutypomys
  • † Eutypomys inexpectatus – type locality for species
• † Exilia
  • † Exilia pergracilis

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Contents

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• I
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• Falsifusus
  • † Falsifusus apicalis
  • † Falsifusus bastropensis
  • † Falsifusus harrisi
  • † Falsifusus houstonensis
  • † Falsifusus ludlovicianus
  • † Falsifusus ottonis
  • † Falsifusus perobliquus
  • † Falsifusus tobar

• 

  Shell of a Fasciolaria , or tulip sea snail

  Fasciolaria – tentative report
  • † Fasciolaria plummeri
• Felis
  • † Felis lacustris
  • † Felis rexroadensis
• Fibularia
  • † Fibularia texana
• † Ficopsis
  • † Ficopsis nucleoides – type locality for species
  • † Ficopsis penita
  • † Ficopsis texana
• Ficus
  • † Ficus berryi
  • † Ficus mississippiensis
• † Fimbriatella
  • † Fimbriatella iugum – type locality for species
• Flabellum
  • † Flabellum concoideum
  • † Flabellum conodeum – tentative report
  • † Flabellum conoideum – type locality for species
  • † Flabellum cuneiforme
  • † Flabellum johnsonae
• † Floridachoerus – tentative report
  • † Floridachoerus olseni
• † Floridatragulus
  • † Floridatragulus hesperus
  • † Floridatragulus nanus
  • † Floridatragulus texanus

• 

  A living Formica , or wood ant

  Formica
  • † Formica eoptera – type locality for species
• Fossaria
  • † Fossaria dalli
  • † Fossaria obrussa
• Fulgurofusus
  • † Fulgurofusus quercollis
• † Fusconaia
  • † Fusconaia undulata – or unidentified comparable form
• Fusimitra
  • † Fusimitra adamsi
  • † Fusimitra millingtoni
  • † Fusimitra perexilis
  • † Fusimitra polita

• 

  A living Fusinus sea snail

  Fusinus
  • † Fusinus claibornica – type locality for species
• † Fusoficula
  • † Fusoficula angelinensis
• Fustiaria
  • † Fustiaria aciculata – type locality for species

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Contents

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• I
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• M
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• Gadila
  • † Gadila palmerae
• Galeocerdo
  • † Galeocerdo eaglesomei
  • † Galeocerdo latidens

• 

  Shell of a Galeodea helmet snail

  Galeodea
  • † Galeodea dubia
  • † Galeodea koureos
  • † Galeodea petersoni
  • † Galeodea planotecta
• Gastrocopta
  • † Gastrocopta armifera
  • † Gastrocopta contracta
  • † Gastrocopta cristata
  • † Gastrocopta pellicuda
  • † Gastrocopta pellucida
  • † Gastrocopta pentodon
  • † Gastrocopta procera
  • † Gastrocopta tappaniana

• 

  Fossilized skull of the Miocene crocodile relative Gavialosuchus

  † Gavialosuchus
• Gegania
  • † Gegania antiquata
• † Gelastops
• † Genartina – type locality for genus
  • † Genartina texana – type locality for species
• Geochelone
• Geomys
  • † Geomys bursarius
  • † Geomys minor
  • † Geomys tobinensis
• † Gigantocamelus
  • † Gigantocamelus spatulus
• † Gilbertina
  • † Gilbertina texana

• 

  Restoration of a herd of the Pliocene-Holocene ground sloth Glossotherium

  † Glossotherium
  • † Glossotherium chapadmalense
• † Glottidia
  • † Glottidia antarctica – type locality for species
• Glycymeris
  • † Glycymeris petropolitana
• † Glyphalini
  • † Glyphalini identata
• Glyptoactis
  • † Glyptoactis alticostata
  • † Glyptoactis coloradonis
  • † Glyptoactis crenaea
  • † Glyptoactis eoa
  • † Glyptoactis linguinodifera – type locality for species
  • † Glyptoactis milamensis – type locality for species
  • † Glyptoactis trapaquara
• † Glyptotherium
  • † Glyptotherium cylindricum
  • † Glyptotherium texanum
• † Glyptotoma
  • † Glyptotoma conradiana
  • † Glyptotoma crassiplicata
• Glyptozaria
  • † Glyptozaria americanae – type locality for species
• † Gnathabelodon – only reported species reclassified new genus Blancotherium. ^[1]
  • † Gnathabelodon buckneri – type locality for species. Later reclassified as Blancotherium buckneri ^[1]
• † Gomphopages
  • † Gomphopages turneri

• 

  Mounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium

  † Gomphotherium
  • † Gomphotherium gratum – type locality for species
  • † Gomphotherium obscurum
• † Goniobasis
  • † Goniobasis miocaenica
• Gopherus – type locality for genus
  • † Gopherus canyonensis – type locality for species
  • † Gopherus hexagonatus
  • † Gopherus polyphemus – type locality for species
• † Granocardium
• Graptemys
  • † Graptemys geographica
• Gregariella
  • † Gregariella ridgei – type locality for species
• † Gregorymys
  • † Gregorymys riograndensis – type locality for species
• † Gulfoceras
  • † Gulfoceras westfalli – type locality for species

• 

  Restorative portrait of the Eocene-Oligocene bear dog Gustafsonia

  † Gustafsonia
  • † Gustafsonia cognita
• Guttulina
  • † Guttulina problema
• Gyraulus
  • † Gyraulus circumstriatus
  • † Gyraulus parvus

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Contents

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• G
• H
• I
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• M
• N
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• † Hadrianus
• † Haimesiastraea
  • † Haimesiastraea conferta
• † Haplaletes
  • † Haplaletes disceptatrix
• † Haploconus
  • † Haploconus angustus
• Haplocytheridea
  • † Haplocytheridea habropapillosa
  • † Haplocytheridea lisbonensis
  • † Haplocytheridea stenzeli

• 

  Fossilized mandible of the Eocene horse Haplohippus

  † Haplohippus
  • † Haplohippus texanus
• Harpa
• † Harpactocarcinus
  • † Harpactocarcinus americanus
  • † Harpactocarcinus rathbunnae
• † Harpagolestes
  • † Harpagolestes uintensis
• † Harrisianella
  • † Harrisianella plicifera

• 

  Shells in differing orientations of Hastula augur sea snails

  Hastula
  • † Hastula ampulla – type locality for species
  • † Hastula houstonia
  • † Hastula longifera – type locality for species
  • † Hastula milamensis – type locality for species
  • † Hastula sabina
  • † Hastula venusta
• Haustator
  • † Haustator infans
  • † Haustator rina
• Hawaiia
  • † Hawaiia minuscula
• † Hawiia
  • † Hawiia minuscula

• 

  Life restoration of the Pleistocene pronghorn Hayoceros

  † Hayoceros
  • † Hayoceros falkenbachi
• Helicina
  • † Helicina orbiculata
• Helicodiscus
  • † Helicodiscus paralellus
  • † Helicodiscus parallelus
  • † Helicodiscus singleyanus
• † Heliconoides
  • † Heliconoides auriformis – type locality for species
• Helisoma
  • † Helisoma anceps
  • † Helisoma trivolvis
• Heloderma
  • † Heloderma texana – type locality for species
• † Helohyus
  • † Helohyus lentus – or unidentified comparable form

• 

  Fossilized lower jaw of the Miocene-Pleistocene llama relative Hemiauchenia

  † Hemiauchenia
  • † Hemiauchenia macrocephala
• † Hemipsalodon
  • † Hemipsalodon viejaensis – type locality for species
• † Hendryomeryx
  • † Hendryomeryx defordi
  • † Hendryomeryx wilsoni
• † Heptacodon
  • † Heptacodon yeguaensis – type locality for species
• † Hercoglossa
  • † Hercoglossa – type locality for species A informal
  • † Hercoglossa gardnerae
  • † Hercoglossa splendens
  • † Hercoglossa ulrichi

• 

  Life restoration of the Eocene-Miocene mammal Herpetotherium

  † Herpetotherium
• † Hesperhys – tentative report
• † Hesperiturris
  • † Hesperiturris monilis – type locality for species
  • † Hesperiturris nodocarinatus – type locality for species
• † Hesperoscalops
  • † Hesperoscalops blancoensis
  • † Hesperoscalops rexroadi
  • † Hesperoscalops ruficervus
• † Hesperotestudo
  • † Hesperotestudo crassiscutata – type locality for species
  • † Hesperotestudo johnstoni – type locality for species
  • † Hesperotestudo turgida – type locality for species
  • † Hesperotestudo wilsoni
• † Hessolestes
• † Heteraletes
  • † Heteraletes leotanus – or unidentified comparable form
• Heterodon
  • † Heterodon nasicus – or unidentified comparable form
  • † Heterodon platyrhinos – or unidentified comparable form
• † Heteromeryx
  • † Heteromeryx dispar
• Hexaplex
  • † Hexaplex colei
  • † Hexaplex eoa – type locality for species
  • † Hexaplex silvaticus
  • † Hexaplex texanus – type locality for species
  • † Hexaplex vanuxemi
• † Hexobelomeryx – tentative report

• 

  Life restoration of a herd of the Miocene-Pleistocene horse Hipparion . Heinrich Harder (1920).

  † Hipparion
  • † Hipparion brevidontus
  • † Hipparion shirleyae
  • † Hipparion tehonense
• † Hippidion
• Hippodamia
  • † Hippodamia convergens – tentative report
• Hipponix
  • † Hipponix pygmaeus
• † Hippotherium
• Holbrookia

• 

  Life restoration of the Pleistocene armadillo relative Holmesina with a human to scale

  † Holmesina
  • † Holmesina septentrionalis
• † Homotherium
  • † Homotherium johnstoni
  • † Homotherium serum
• † Hyaenodon
  • † Hyaenodon crucians
  • † Hyaenodon horridus – or unidentified comparable form
  • † Hyaenodon montanus
  • † Hyaenodon raineyi
  • † Hyaenodon vetus – or unidentified comparable form
• Hyla
  • † Hyla holmani – type locality for species
  • † Hyla miocenica – type locality for species
• † Hylomeryx
• † Hyopsodus
  • † Hyopsodus paulus
  • † Hyopsodus uintensis – or unidentified comparable form
  • † Hyopsodus wortmani – or unidentified comparable form
• Hyotissa
  • † Hyotissa offemanae – type locality for species
  • † Hyotissa offmanna
• † Hypertragulus
  • † Hypertragulus heikeni – or unidentified comparable form

• 

  Life restoration of the Miocene horse Hypohippus . Heinrich Harder (1920).

  † Hypohippus
  • † Hypohippus affinis – type locality for species
• † Hypolagus
  • † Hypolagus edensis
  • † Hypolagus fontinalis
  • † Hypolagus furlongi
  • † Hypolagus gidleyi
  • † Hypolagus regalis
  • † Hypolagus ringoldensis
  • † Hypolagus vetus
• † Hyrachyus
  • † Hyrachyus modestus – or unidentified comparable form
• † Hyracodon
  • † Hyracodon medius
  • † Hyracodon petersoni

• 

  Life restoration of the Eocene horse Eohippus . Heinrich Harder (1920).

  † Hyracotherium
  • † Hyracotherium vasacciense

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Contents

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• B
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• † Icacorea
  • † Icacorea prepaniculata
• Ictalurus
  • † Ictalurus punctatus
• † Ictiobus
• † Ignacius
  • † Ignacius frugivorus

• 

  Fossilized skull of the Miocene bear Indarctos

  † Indarctos
• † Infracoronia
  • † Infracoronia ludoviciana
• † Inga
  • † Inga laurinafolia
• † Ischnognathus
  • † Ischnognathus savagei – type locality for species
• † Ischyrocyon
  • † Ischyrocyon gidleyi – type locality for species
• † Ischyromys
  • † Ischyromys blacki – type locality for species
• Isognomon

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• † Jefitchia – type locality for genus
  • † Jefitchia copelandi – type locality for species
• † Jepsenella
• † Jimomys
  • † Jimomys labaughi
• Juglans
  • † Juglans bastropensis
• Jupiteria
  • † Jupiteria smirna

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• 

  Restoration of the Oligocene-Miocene horse Kalobatippus

  † Kalobatippus
  • † Kalobatippus australis
• † Kansasimys
  • † Kansasimys dubius
• † Kapalmerella
  • † Kapalmerella arenicola
  • † Kapalmerella dumblei
  • † Kapalmerella mortoni
  • † Kapalmerella pleboides
• Katherinella
  • † Katherinella smithvillensis
  • † Katherinella texitrina
  • † Katherinella trinitatis
• Kelliella
  • † Kelliella aldrichi
  • † Kelliella evansi
• Kellyella
  • † Kellyella texana – type locality for species
• Kinosternon
  • † Kinosternon flavescens

• 

  Fossilized "worm" tube, possibly of the Oligocene-modern shipworm marine bivalve genus Kuphus

  Kuphus

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• † Lacinia
  • † Lacinia alveata
• † Lacunaria
  • † Lacunaria lithae
• † Laevibuccinum
  • † Laevibuccinum constrictum
  • † Laevibuccinum lineatum
• † Lambdoceras
  • † Lambdoceras trinitiensis
• † Lambertocyon
  • † Lambertocyon eximius

• 

  A living Lampropeltis getula , or eastern kingsnake

  Lampropeltis
  • † Lampropeltis getulus
  • † Lampropeltis triangulum
• † Langiopollis
  • † Langiopollis eocaenica
• † Lapparia
  • † Lapparia crassa
  • † Lapparia dumosa
  • † Lapparia elongata
  • † Lapparia mooreana
  • † Lapparia nuda
• † Laredochoerus – type locality for genus
  • † Laredochoerus edwardsi – type locality for species
• † Laredomys
  • † Laredomys riograndensis – type locality for species
• Lasionycteris
  • † Lasionycteris noctivagans
• Lasiurus
  • † Lasiurus borealis

• 

  Two views of a shell of a Latirus sea snail

  Latirus
  • † Latirus humilior
  • † Latirus moorei
  • † Latirus ostrarupis
  • † Latirus sexcostatus
  • † Latirus stephensoni
  • † Latirus traceyi – type locality for species
• † Latrius
  • † Latrius traceyi – type locality for species
• † Ledina
  • † Ledina smirna
  • † Ledina turgeo – type locality for species
• † Leea
• Lepisosteus
  • † Lepisosteus spatula – or unidentified comparable form
• Lepomis
  • † Lepomis cyanellus – or unidentified comparable form
• † Leptarctus
  • † Leptarctus supremus – type locality for species
• † Leptictis
  • † Leptictis douglassi – type locality for species
  • † Leptictis wilsoni – type locality for species

• 

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

  † Leptocyon
  • † Leptocyon vafer
• † Leptoreodon
  • † Leptoreodon edwardsi
  • † Leptoreodon leptolophus
  • † Leptoreodon major
  • † Leptoreodon marshi
  • † Leptoreodon pusillus
• † Leptosurcula
  • † Leptosurcula beadata
  • † Leptosurcula carinata – type locality for species
• † Leptotomus
• Lepus

  • 

    Lepus californicus , or black-tailed jackrabbit

    † Lepus californicus
• † Levifusus
  • † Levifusus dalei – tentative report
  • † Levifusus hubbardi
  • † Levifusus identus
  • † Levifusus irrasus
  • † Levifusus lithae
  • † Levifusus mortoniopsis
  • † Levifusus pagodiformis
  • † Levifusus serrae – type locality for species
  • † Levifusus supraplanus
  • † Levifusus trabeatus
• Limacina
  • † Limacina stenzeli – type locality for species
  • † Limacina taylori

• 

  Living Limaria , or file shells

  Limaria
  • † Limaria petropolitana
  • † Limaria smithvillensis
• † Limnenetes
  • † Limnenetes platyceps – or unidentified comparable form
• Limopsis
  • † Limopsis quihi
  • † Limopsis radiata
• † Linthia
  • † Linthia alabamensis
• † Lirodiscus
  • † Lirodiscus jacksonensis
  • † Lirodiscus smithvillensis
• † Lirofusus
  • † Lirofusus subtenuis

• 

  Shell of a Lithophaga , or date mussel

  Lithophaga
• † Lithophysema
  • † Lithophysema grande
• Litiopa
  • † Litiopa texana – type locality for species
• † Litorhadia
  • † Litorhadia aldrichiana
  • † Litorhadia bastropensis
  • † Litorhadia compsa
  • † Litorhadia evanescentior
  • † Litorhadia milamensis – type locality for species
  • † Litorhadia petropolitana
  • † Litorhadia undulata – type locality for species
  • † Litorhadia valdefragilis – type locality for species
• † Litoyoderimys
  • † Litoyoderimys lustrorum
• Littorina
  • † Littorina eofasciata – type locality for species
• † Longirostromeryx
  • † Longirostromeryx clarendonensis – type locality for species
  • † Longirostromeryx wellsi

• 

  Shell of a Lovenia sea urchin

  Lovenia
  • † Lovenia alabamensis
• Loxoconcha
  • † Loxoconcha delicata
• Lucina
  • † Lucina subcurta
• Lucinisca
• Lunatia – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Lunatia moorei
• Lunularia – tentative report
• Lunulites
  • † Lunulites bouei
  • † Lunulites ligulata
  • † Lunulites truncata
• † Lygodiumsporites
  • † Lygodiumsporites adriennis
• Lymnaea
  • † Lymnaea caperata
  • † Lymnaea dalli
  • † Lymnaea modicella
  • † Lymnaea obrussa
• Lynx
  • † Lynx proterolyncis

  • 

    A living Lynx rufus , or bobcat

    † Lynx rufus
• Lyria
• † Lyrosurcula
  • † Lyrosurcula gibbera
  • † Lyrosurcula vaughani
• Lytta

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• 

  Fossilized cranium of the Miocene-Pleistocene saber-toothed cat Machairodus

  † Machairodus
  • † Machairodus catocopis
• Macrocallista
  • † Macrocallista triangulata – type locality for species
• † Macrotarsius
  • † Macrotarsius jepseni – or unidentified comparable form
• Mactra
• Madracis
  • † Madracis gregorioi
  • † Madracis herricki – type locality for species
  • † Madracis johnsoni – type locality for species
• Madrepora
  • † Madrepora natchitochensis
• Magnolia
  • † Magnolia leei
• † Mahgarita
  • † Mahgarita stevensi – type locality for species
• † Malaquiferus – tentative report
• † 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
  • † Mammuthus hayi
• Marginella
  • † Marginella carnea
  • † Marginella constrictoides
• Marmota
  • † Marmota flaviventris
• † Marshochoerus
  • † Marshochoerus socialis
• Martes
• Martesia
  • † Martesia laredoensis
  • † Martesia texana
• † Martinogale
  • † Martinogale chisoensis
• † Mathilda
  • † Mathilda claibornensis
  • † Mathilda cribraea – type locality for species
  • † Mathilda iugum – type locality for species
  • † Mathilda retisculpta
• † Mauricia
  • † Mauricia houstonia
  • † Mauricia leonia
• † Mazzalina
  • † Mazzalina conica – type locality for species
  • † Mazzalina plena
• † 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
  • † Megatherium mirabite
• † Megatylopus
  • † Megatylopus matthewi – type locality for species
  • † Megatylopus primaevus
• Melanella
  • † Melanella extremis – or unidentified related form
  • † Melanella minutissima – type locality for species
  • † Melanella notata – or unidentified comparable form
  • † Melanella wheeleri
• † Meliakrouniomys
  • † Meliakrouniomys wilsoni – type locality for species
• Meliosma ^[2]
  • † Meliosma berryi – type locality for species ^[2]
• † Menetus
  • † Menetus dilataus

• 

  Life restoration of the Miocene rhinoceros Menoceras

  † Menoceras
  • † Menoceras barbouri
• † Menops
  • † Menops bakeri
• Mephitis
  • † Mephitis mephitis
• Meretrix
  • † Meretrix nuttelliopsis
• † Merychippus
  • † Merychippus gunteri
  • † Merychippus insignis – or unidentified comparable form
  • † Merychippus sejunctus
  • † Merychippus shirleyae
• † Merychyus
  • † Merychyus calaminthus – or unidentified comparable form
  • † Merychyus novomexicanus

• 

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

  † Merycoidodon
  • † Merycoidodon culbertsoni
  • † Merycoidodon presidioensis
• Mesalia
  • † Mesalia alabamiensis
  • † Mesalia allentonensis
  • † Mesalia biplicata
  • † Mesalia claibornensis
  • † Mesalia mavericki
• † Mescalerolemur – type locality for genus
  • † Mescalerolemur horneri – type locality for species
• Mesodesma
  • † Mesodesma singleyi
• † Mesodma
  • † Mesodma pygmaea – or unidentified comparable form
  • † Mesodma thompsoni
• † Mesohippus
  • † Mesohippus texanus
• † Mesomphix
• † Metalopex
  • † Metalopex bakeri – type locality for species

• 

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

  † Metamynodon
  • † Metamynodon chadronensis
  • † Metamynodon mckinneyi – type locality for species
• Metula
  • † Metula brazosensis
  • † Metula elongatoides – type locality for species
  • † Metula gracilis
  • † Metula reticulata – type locality for species
• † Michela
  • † Michela trabeatoides – type locality for species
• † Michenia
  • † Michenia exilis – type locality for species

• 

  Shell in multiple views of a Microdrillia sea snail

  Microdrillia
  • † Microdrillia aldrichella
  • † Microdrillia aldrichiella
  • † Microdrillia elongatula
  • † Microdrillia harrisi
  • † Microdrillia infans
  • † Microdrillia laeviplicata
  • † Microdrillia parthenoides
  • † Microdrillia robustula – or unidentified related form
  • † Microdrillia rostratula
  • † Microdrillia solidula
• † Microeutypomys
  • † Microeutypomys karenae – type locality for species
• † Microparamys
  • † Microparamys minutus
  • † Microparamys perfossus

• 

  Illustration of a living Micropterus , or black bass

  Micropterus
• † Microsurcula
  • † Microsurcula iuventae – type locality for species
• † Microsyops
  • † Microsyops annectens
• † Microtomarctus
  • † Microtomarctus conferta
• Microtus
  • † Microtus australis
  • † Microtus llanensis
  • † Microtus meadensis
  • † Microtus mexicanus
  • † Microtus paroperarius
  • † Microtus pennsylvanicus
  • † Microtus pinetorum
• Micrurus

  • 

    A living Micrurus fulvius , or eastern coral snake

    † Micrurus fulvius
• Mictomys
  • † Mictomys meltoni
• Miltha
  • † Miltha albaripus
• † Mimetodon
  • † Mimetodon silberlingi
• † Minippus
  • † Minippus index
• † Mioclaenus
  • † Mioclaenus opisthacus
• † Miocoluber – type locality for genus
  • † Miocoluber dalquesti – type locality for species
• † Miocyon
  • † Miocyon scotti – or unidentified comparable form
  • † Miocyon vallisrubrae
• † Miohippus
• † Miolabis
• † Mionictis

• 

  Restoration of the Pliocene-Pleistocene Miracinonyx , or American cheetah

  † Miracinonyx
  • † Miracinonyx inexpectatus – or unidentified comparable form
  • † Miracinonyx studeri
• Mitrella
  • † Mitrella bastropensis
  • † Mitrella nuttalli – type locality for species
  • † Mitrella texana – type locality for species
• † Mixodectes
  • † Mixodectes malaris
• Mnestia
  • † Mnestia confusa – type locality for species
  • † Mnestia dekayi
  • † Mnestia ovata – type locality for species
  • † Mnestia rotunda – type locality for species
• Modiolus – tentative report
• † Monoptygma
  • † Monoptygma crassiplicum
• Montastraea
  • † Montastraea intermedia
• † Moropus
  • † Moropus oregonensis – or unidentified comparable form
• † Morrillia
  • † Morrillia barbouri
• Murex
  • † Murex fusates
  • † Murex mansfieldi
• Mustela
  • † Mustela rexroadensis
• Myctophum
  • † Myctophum americanum – type locality for species
• Myliobatis

• 

  Fossilized skeleton of the Pliocene-Holocene peccary Mylohyus

  † Mylohyus
  • † Mylohyus fossilis
• Myotis
  • † Myotis lucifugus
  • † Myotis velifer
• Myrtea
  • † Myrtea curta
  • † Myrtea mesakta
  • † Myrtea uhleri – or unidentified comparable form
• Mytilus
• † Mytonomys
  • † Mytonomys coelumensis
  • † Mytonomys robustus
• Myzinum – or unidentified comparable form

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  Partial fossilized mandible of the Miocene-Pliocene horse Nannippus

  † Nannippus
  • † Nannippus aztecus
  • † Nannippus beckensis – type locality for species
  • † Nannippus lenticularis
  • † Nannippus peninsulatus
• † Nannodectes
  • † Nannodectes gidleyi – or unidentified related form
• † Nanotragulus
  • † Nanotragulus ordinatus
• Narona
  • † Narona greggi
• Nassarius
  • † Nassarius emoryi
  • † Nassarius exilis
  • † Nassarius nodosa – type locality for species
  • † Nassarius seguinensis – type locality for species

• 

  A living Nasua , or coati

  Nasua
  • † Nasua pronarica – type locality for species
• Natica
  • † Natica aperta
  • † Natica brevisulcata – type locality for species
  • † Natica clarkeana
  • † Natica moffitti – type locality for species
  • † Natica moorei
  • † Natica permunda
  • † Natica perspecta
  • † Natica reversa
  • † Natica saffordia

• 

  A living Naticarius moon sea snail

  Naticarius
  • † Naticarius reversa
  • † Naticarius semilunata
• Natrix
  • † Natrix erythrogaster
• † Navajovius
  • † Navajovius kohlhaasae
• Nectandra
  • † Nectandra lancifolia
• † Nekrolagus
  • † Nekrolagus progressus
• Nemocardium
  • † Nemocardium actium
  • † Nemocardium gambrinum
  • † Nemocardium quihi
• † Nemodon
  • † Nemodon eufaulensis
• † Neochoerus – type locality for genus
  • † Neochoerus pinckneyi
• Neofiber
  • † Neofiber leonardi
• Neogale
  • † Neogale vison

• 

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

  † Neohipparion
  • † Neohipparion affine
  • † Neohipparion eurystyle – type locality for species
  • † Neohipparion leptode
• † Neonatrix
  • † Neonatrix elongata
  • † Neonatrix infera – type locality for species
• Neotamias
  • † Neotamias cinereicollis
• Neotoma
  • † Neotoma albigula
  • † Neotoma floridana
  • † Neotoma fossilis – or unidentified comparable form
  • † Neotoma mexicana

  • 

    A living Neotoma micropus , or southern Plains woodrat

    † Neotoma micropus
  • † Neotoma minutus
  • † Neotoma quadriplicata
• † Neozanthopsis
  • † Neozanthopsis americanus
• Neptunea – report made of unidentified related form or using admittedly obsolete nomenclature
• Nerodia
  • † Nerodia fasciata
• † Nerterogeomys
  • † Nerterogeomys paenebursarius
• Neverita
• † Nexuotapirus
  • † Nexuotapirus marslandensis

• 

  Fossilized partial cranium of the Miocene saber-toothed cat Nimravides

  † Nimravides
  • † Nimravides hibbardi – type locality for species
  • † Nimravides thinobates – or unidentified comparable form
• Niptus
  • † Niptus abstrusus
• † Nonomys
  • † Nonomys simplicidens
• Norrisia
  • † Norrisia micromphala
• † Notharctus
  • † Notharctus tenebrosus
• † Nothokemas
  • † Nothokemas floridanus
  • † Nothokemas hidalgensis – type locality for species
• † Nothotylopus
  • † Nothotylopus camptognathus

• 

  Life restoration of the Pleistocene ground sloth Nothrotheriops

  † Nothrotheriops
  • † Nothrotheriops texanus
• † Nothrotherium
  • † Nothrotherium shastense
• Notiosorex
  • † Notiosorex crawfordi
  • † Notiosorex jacksoni
• † Notiotitanops
  • † Notiotitanops mississippiensis
• † Notolagus
  • † Notolagus lepusculus
• Notophthalmus
  • † Notophthalmus slaughteri – type locality for species

• 

  Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula

  Nucula
  • † Nucula cochlear – type locality for species
  • † Nucula magnifica
  • † Nucula mauricensis
  • † Nucula mediavia
  • † Nucula smithvillensis
• Nuculana
  • † Nuculana aldrichiana
  • † Nuculana corpulentoides
  • † Nuculana demissa – type locality for species
  • † Nuculana eoa
  • † Nuculana jewetti
  • † Nuculana milamensis
  • † Nuculana ovula
  • † Nuculana saffordana
  • † Nuculana smithvillensis – or unidentified related form
  • † Nuculana travisana – or unidentified comparable form
  • † Nuculana trivitate
  • † Nuculana turgeo – type locality for species
• † Nudivagus
• † Nuulana
  • † Nuulana turgeo – type locality for species
• Nysius – tentative report

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• Oculina
  • † Oculina singleyi – type locality for species
• Odocoileus

  • 

    A living Odocoileus virginianus , or white-tailed deer

    † Odocoileus virginianus
• Odontaspis
  • † Odontaspis exilis – type locality for species
• † Odontopolys
  • † Odontopolys compsorhytis
• Odostomia
  • † Odostomia ova – type locality for species
  • † Odostomia trapaquara
• Ogmodontomys
  • † Ogmodontomys poaphagus
• † Ogmophis
  • † Ogmophis miocompactus
• Olivella
  • † Olivella mediavia
• † Omomys
  • † Omomys carteri
  • † Omomys lloydi

• 

  A living Ondatra , or muskrat

  Ondatra
  • † Ondatra annectens
  • † Ondatra idahoensis – or unidentified comparable form
  • † Ondatra zibethicus
• Onychomys
  • † Onychomys gidleyi
  • † Onychomys hollisteri
  • † Onychomys leucogaster
  • † Onychomys pedroensis
  • † Onychomys torridus
• Opalia
  • † Opalia cooperi – type locality for species
• Opheodrys

  • 

    A living Opheodrys aestivus , or rough green snake

    † Opheodrys aestivus
• Ophisaurus
• † Oreodaphne
  • † Oreodaphne obtusifolia
  • † Oreodaphne perseaformis
  • † Oreodaphne pseudoguianensis
• † Oromeryx
• † Orthosurcula
  • † Orthosurcula adeona
  • † Orthosurcula francescae
  • † Orthosurcula indenta
  • † Orthosurcula langdoni – or unidentified comparable form
  • † Orthosurcula longipersa
  • † Orthosurcula persa
  • † Orthosurcula phoenicea
• Orthoyoldia
  • † Orthoyoldia petropolitana
  • † Orthoyoldia psammotaea
• Oryzomys
  • † Oryzomys palustris

• 

  Life restoration of the Miocene pronghorn Osbornoceros

  † Osbornoceros – tentative report
• Ostrea
  • † Ostrea crenulimarginata
  • † Ostrea duvali
  • † Ostrea frithi
  • † Ostrea kochae
  • † Ostrea multilirata
  • † Ostrea normalis
  • † Ostrea pulaskensis
  • † Ostrea semmesi
  • † Ostrea sinuosa
• Otionella
  • † Otionella tuberosa
• † Otostomia
  • † Otostomia melanella
  • † Otostomia trapaquara
• † Ourayia
  • † Ourayia hopsoni
  • † Ourayia uintensis
• Ovis
  • † Ovis canadensis

• 

  Life restoration of a pair of the Oligocene-Miocene camel Oxydactylus . Robert Bruce Horsfall (1913).

  † Oxydactylus
  • † Oxydactylus benedentatus – type locality for species

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• I
• J
• K
• L
• M
• N
• O
• P
• Q
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• S
• T
• U
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• W
• X
• Y
• Z

• † Pachecoa
  • † Pachecoa adamsi
  • † Pachecoa concentrica – type locality for species
  • † Pachecoa decisa
  • † Pachecoa microcancellata
  • † Pachecoa ovalis
  • † Pachecoa pulchra
  • † Pachecoa sabinica
  • † Pachecoa smithvillensis
• † Paenemarmota
  • † Paenemarmota barbouri
• † Palaechthon
  • † Palaechthon woodi – or unidentified comparable form
• † Palaeictops – tentative report
• † Palaeolama
  • † Palaeolama mirifica

• 

  Restoration of the Cretaceous-Eocene sea snake Palaeophis

  † Palaeophis
• † Palaeorhaphis
  • † Palaeorhaphis palaeocenica – type locality for species
• † Paleoheterodon
  • † Paleoheterodon tiheni
• † Paleotomus
  • † Paleotomus senior
• Panopea
• Panthera
  • † Panthera leo
  • † Panthera onca
• † Papillina
  • † Papillina dumosa
• † Paracryptotis
  • † Paracryptotis rex
• Paracyathus
  • † Paracyathus alternatus
  • † Paracyathus bastropensis – type locality for species
• † Paraenhydrocyon
  • † Paraenhydrocyon wallovianus
• † Parahippus
  • † Parahippus leonensis – type locality for species
• † Parahyus
  • † Parahyus vagus
• † Paralbula
  • † Paralbula marylandica
• † Paramerychyus
  • † Paramerychyus harrisonensis

• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon

  † Paramylodon
  • † Paramylodon harlani
• † Paramys
  • † Paramys delicatior – or unidentified comparable form
  • † Paramys excavatus
  • † Paramys leptodus
• † Paraoreomunea
• † Parapavo
  • † Parapavo californicus
• † Parapotos – type locality for genus
  • † Parapotos tedfordi – type locality for species
• † Paratoceras
  • † Paratoceras macadamsi – type locality for species
  • † Paratoceras wardi – type locality for species
• † Paratomarctus
  • † Paratomarctus euthos
  • † Paratomarctus temerarius
• Parbatmya – type locality for genus
  • † Parbatmya brazosensis
  • † Parbatmya fornicata – type locality for species
• † Parectypodus
  • † Parectypodus sloani
• † Pareumys
  • † Pareumys boskeyi
• † Paronychomys – tentative report
• † Parvitragulus
  • † Parvitragulus priscus
• † Parvobalanus – type locality for genus
  • † Parvobalanus gracilis – type locality for species
• † Patulaxis
  • † Patulaxis scrobiculata
• † Pauromys
  • † Pauromys simplex – type locality for species
  • † Pauromys texensis
• † Pediomeryx
  • † Pediomeryx hemphillensis – type locality for species

• 

  Fossilized skull of the Eocene-Oligocene lizard Peltosaurus

  † Peltosaurus – tentative report
• † Penetrigonias
  • † Penetrigonias dakotensis
• † Peraceras
  • † Peraceras hessei
  • † Peraceras superciliosum
• † Peradectes – tentative report
• † Peratherium
  • † Peratherium comstocki
  • † Peratherium marsupium
• Periploma
  • † Periploma collardi
  • † Periploma howei
• † Periptychus
  • † Periptychus carinidens
• Perognathus
  • † Perognathus carpenteri – type locality for species

  • 

    A living Perognathus flavus , or silky pocket mouse

    † Perognathus flavus
  • † Perognathus pearlettensis
  • † Perognathus rexroadensis – or unidentified comparable form
• Peromyscus
  • † Peromyscus boylii
  • † Peromyscus cragini
  • † Peromyscus difficilis
  • † Peromyscus eremicus
  • † Peromyscus gossypinus
  • † Peromyscus kansasensis
  • † Peromyscus leucopus
  • † Peromyscus maniculatus
  • † Peromyscus pectoralis
  • † Peromyscus progressus – or unidentified comparable form
• † Petauristodon
  • † Petauristodon jamesi
  • † Petauristodon minimus – or unidentified comparable form
• Petrophyllia
  • † Petrophyllia singleyi
• † Pewelagus
  • † Pewelagus dawsonae
• Phacoides
• Phaedon – or unidentified comparable form
• Phalium
  • † Phalium brevicostatum
  • † Phalium reklawensis – type locality for species
• † Phelopteria

• 

  Life restoration of the Paleocene-Eocene ungulate Phenacodus . Charles R. Knight (1898).

  † Phenacodus
  • † Phenacodus bisonensis
  • † Phenacodus grangeri
  • † Phenacodus matthewi
• Philine
• † Phlaocyon
  • † Phlaocyon annectens
  • † Phlaocyon minor
• Pholadomya
  • † Pholadomya harrisi
  • † Pholadomya leonensis
  • † Pholadomya petropolitana
• Pholas
• Phos
  • † Phos sagenum
  • † Phos texanum
• Phrynosoma
  • † Phrynosoma cornutum
• Phyllodus
• Physa
  • † Physa anatina
  • † Physa gyrina
• † Physocypria
  • † Physocypria pustulosa
• Pinna – tentative report
• Pisidium
  • † Pisidium nitidum

• 

  Shell of a Pitar venus clam

  Pitar
  • † Pitar angelinae
  • † Pitar biboraensis
  • † Pitar gazleyensis
  • † Pitar hawtofi
  • † Pitar juliae
  • † Pitar kempae
  • † Pitar nuttalliopsis
  • † Pitar petropolitanus
  • † Pitar pteleina
  • † Pitar pteleinus
  • † Pitar ripleyanus
  • † Pitar texacola
  • † Pitar texibrazus
  • † Pitar tornadonis
  • † Pitar trigoniata
  • † Pitar turneri – type locality for species
• Pituophis
  • † Pituophis melanoleucus
• † Plagiarca
  • † Plagiarca rhomboidella
  • † Plagiarca vaughani
• Plagiocardium – or unidentified comparable form
• Planorbis
  • † Planorbis andersoni
• † Planorbula
  • † Planorbula armigera

• 

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

  † Platygonus
  • † Platygonus bicalcaratus
  • † Platygonus compressus
  • † Platygonus pollenae
  • † Platygonus vetus
• Platytrochus
  • † Platytrochus primaevus – type locality for species
  • † Platytrochus stokesi
• † Pleiolama
  • † Pleiolama vera
• † Plesiocolopirus
  • † Plesiocolopirus hancocki – or unidentified comparable form
• † Plesiogulo
  • † Plesiogulo marshalli
• † Plesiolestes
  • † Plesiolestes nacimienti
• † Plesiosminthus
• † Pleuofusia – tentative report
  • † Pleuofusia huppertzi – type locality for species
• Pleurocera
  • † Pleurocera acutum
• Pleurofusia
  • † Pleurofusia huppertzi
  • † Pleurofusia longirostropis
  • † Pleurofusia prosseri
• † Pleurolicus
  • † Pleurolicus sellardsi
• † Pleuroliria
• Pleuromeris
  • † Pleuromeris leonensis

• 

  Shell in multiple views of a Pleuroploca sea snail

  Pleuroploca
  • † Pleuroploca plummeri – or unidentified related form
• † Pleurostoma
  • † Pleurostoma adolescens
• Pleurotomella
  • † Pleurotomella veatchi
  • † Pleurotomella whitfieldi
• Plicatula
  • † Plicatula filamentosa
  • † Plicatula pustula – type locality for species
• Pliciscala
  • † Pliciscala albitesta
• † Plinthicus

• 

  Fossilized skull of the Miocene horse Pliohippus

  † Pliohippus
  • † Pliohippus fossulatus
  • † Pliohippus nobilis
  • † Pliohippus pernix
  • † Pliohippus spectans – tentative report
• † Pliometanastes
  • † Pliometanastes protistus – or unidentified comparable form
• † Pliosaccomys
  • † Pliosaccomys higginsensis
• † Pliotaxidea
  • † Pliotaxidea nevadensis – or unidentified comparable form
• † Plotophysops – tentative report
  • † Plotophysops angularis – type locality for species
• † Poabromylus
  • † Poabromylus kayi
• Podomys
  • † Podomys oklahomensis

• 

  Life restoration of the Eocene-Oligocene camel Poebrotherium

  † Poebrotherium
  • † Poebrotherium chadronense – type locality for species
  • † Poebrotherium franki – type locality for species
• † Polidevcia
  • † Polidevcia magna
• Polinices
  • † Polinices aratus
  • † Polinices eminulus
  • † Polinices harrisii
  • † Polinices julianna
  • † Polinices onustus – type locality for species
• Polydora
• Polygyra
  • † Polygyra texasiana
• Polymorphina
  • † Polymorphina gibba
  • † Polymorphina regularis
• Polyschides
  • † Polyschides margarita

• 

  Living Porites stony coral

  Porites
  • † Porites douvillei
• Poromya – or unidentified related form
• † Postalia
  • † Postalia americana – type locality for species
• † Potamides
  • † Potamides matsoni
• † Pratilepus
  • † Pratilepus kansasensis
• † Preophidion – type locality for genus
  • † Preophidion petropolis
  • † Preophidion stintoni – type locality for species
• Prionocidaris
  • † Prionocidaris cojimarensis
• † Priscocamelus
  • † Priscocamelus wilsoni
• † Priscoficus
  • † Priscoficus juvenis
• † Pristichampsus
• Pristis
• † Probassariscus
• † Problastomeryx
  • † Problastomeryx primus
• † Procamelus
  • † Procamelus grandis
  • † Procamelus leptognathus
  • † Procamelus occidentalis
• † Procastoroides
  • † Procastoroides sweeti
• † Procynodictis
  • † Procynodictis vulpiceps – or unidentified comparable form
• Procyon
  • † Procyon lotor
  • † Procyon rexroadensis
• † Prodipodomys
  • † Prodipodomys centralis
• † Progeomys
  • † Progeomys sulcatus – type locality for species
• † Prohesperocyon
  • † Prohesperocyon wilsoni
• † Proheteromys
  • † Proheteromys sabinensis – type locality for species
  • † Proheteromys toledoensis – type locality for species
• † Prolapsus
  • † Prolapsus junctionis – type locality for species
  • † Prolapsus sibilatoris – type locality for species
• † Promathildia
  • † Promathildia parvilis – or unidentified comparable form
  • † Promathildia parvula – or unidentified comparable form
• Promenetus
  • † Promenetus exacuous
• † Promioclaenus
  • † Promioclaenus acolytus
• † Proneofiber
  • † Proneofiber guildayi – type locality for species

• 

  Fossilized shells of the Triassic-modern marine bivalve Propeamussium

  Propeamussium
  • † Propeamussium alabamense
• † Prosigmodon
• † Prosimnia
  • † Prosimnia naviculae
• † Prosthennops
  • † Prosthennops serus
  • † Prosthennops xiphodonticus
• † Prosynthetoceras
  • † Prosynthetoceras francisi – type locality for species
  • † Prosynthetoceras orthrionanus – type locality for species
  • † Prosynthetoceras texanus – type locality for species
• † Proterixoides
• † Prothryptacodon
• † Protictis

• 

  Restorative models in multiple views of the Eocene brontothere Protitanotherium (figure 3)

  † Protitanotherium
  • † Protitanotherium emarginatum
• † Protoceras – tentative report
• † Protocitta
  • † Protocitta ajax – type locality for species
• † Protohippus
  • † Protohippus gidleyi
  • † Protohippus perditus
  • † Protohippus supremus – type locality for species
  • † Protohippus vetus
• † Protolabis
  • † Protolabis coartatus
• † Protoreodon
  • † Protoreodon parvus
  • † Protoreodon petersoni
  • † Protoreodon pumilus
• † Protosciurus
• † Protoscutella
  • † Protoscutella mississippiensis
• † Protoselene – or unidentified comparable form
• † Protospermophilus
  • † Protospermophilus quatalensis
• † Protosurcula
  • † Protosurcula aurora – type locality for species
  • † Protosurcula gabbii
  • † Protosurcula tenuirostris
• † Protylopus – tentative report
• Pseudacris
  • † Pseudacris clarki
  • † Pseudacris ocularis
  • † Pseudacris streckeri
• † Pseudaelurus – tentative report

• 

  Replica of a fossilized cranium of the Miocene horse Pseudhipparion

  † Pseudhipparion
  • † Pseudhipparion curtivallum
  • † Pseudhipparion hessei – type locality for species
  • † Pseudhipparion skinneri
• † Pseudoceras
  • † Pseudoceras skinneri
• Pseudochama
• † Pseudocylindrodon
  • † Pseudocylindrodon neglectus
  • † Pseudocylindrodon pintoensis – or unidentified related form
  • † Pseudocylindrodon texanus – type locality for species
• Pseudoliva
  • † Pseudoliva ostrarupis
  • † Pseudoliva santander
  • † Pseudoliva scalina
  • † Pseudoliva vetusta
• Pseudomalaxis
  • † Pseudomalaxis acuta – type locality for species
  • † Pseudomalaxis plummerae
  • † Pseudomalaxis reklawensis – type locality for species
  • † Pseudomalaxis texana
• † Pseudometula – type locality for genus
  • † Pseudometula gradus – type locality for species
• † Pseudoparablastomeryx
  • † Pseudoparablastomeryx scotti

• 

  Fossilized skeleton of the Eocene protoceratid mammal Pseudoprotoceras

  † Pseudoprotoceras
  • † Pseudoprotoceras minor
• † Pseudotheridomys
• † Pseudotomus
  • † Pseudotomus johanniculi
  • † Pseudotomus petersoni – or unidentified comparable form
• † Psittacotherium
  • † Psittacotherium multifragum
• Pteria
  • † Pteria deusseni
  • † Pteria limula
  • † Pteria petropolitana
• Pteris
  • † Pteris dentata
• † Pteropsella
  • † Pteropsella lapidosa
  • † Pteropsella praelapidosa
• † Pterosphenus
  • † Pterosphenus schucherti
• Pterothrissus
  • † Pterothrissus truncatus
• Pterynotus
  • † Pterynotus sabinola
  • † Pterynotus stenzeli – type locality for species

• 

  Illustration of a fossilized skull of the Paleocene multituberculate mammal Ptilodus

  † Ptilodus
  • † Ptilodus mediaevus
• Ptinus
• Puma
  • † Puma concolor
• Pupilla
  • † Pupilla blandi
• Pupoides
  • † Pupoides albilabris
• Pycnodonte
  • † Pycnodonte sylvaerupis
• † Pylodictis

  • 

    A living Pylodictis olivaris , or flathead catfish

    † Pylodictis olivaris
• Pyramidella
  • † Pyramidella bastropensis
  • † Pyramidella dalli
  • † Pyramidella filamentosa – type locality for species
  • † Pyramidella perexilis
  • † Pyramidella pirum – type locality for species
  • † Pyramidella propeacicula
  • † Pyramidella pseudopymaea
  • † Pyramidella tundrae – type locality for species
• † Pyramimitra
  • † Pyramimitra eocenica – type locality for species
  • † Pyramimitra terebraeformis
• † Pyricythereis
  • † Pyricythereis alabamensis
  • † Pyricythereis delicata – type locality for species
  • † Pyricythereis foveovalva – type locality for species
  • † Pyricythereis seminuda – type locality for species
  • † Pyricythereis smithvillensis – type locality for species
  • † Pyricythereis subtriangularis – type locality for species

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
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• M
• N
• O
• P
• Q
• R
• S
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• X
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• † Quadratomus
  • † Quadratomus gigans

• 

  A living Quadrula freshwater mussel

  † Quadrula
  • † Quadrula frustulosa
  • † Quadrula speciosa
• Quinqueloculina
  • † Quinqueloculina claiborniana
  • † Quinqueloculina seminulum
  • † Quinqueloculina vulgaris

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Contents

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
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• Raja

  • 

    A living Raja texana also known as a roundel skate or Texas clearnose skate

    † Raja texana – type locality for species
• † Rana
  • †Rana catesbiana – lapsus calami of Rana catesbeiana
  • † Rana pipiens
• Ranularia
  • † Ranularia hula
• Raphitoma
  • † Raphitoma bastropensis – type locality for species
  • † Raphitoma bellula
  • † Raphitoma fannae
  • † Raphitoma georgei – type locality for species
  • † Raphitoma iuventae – type locality for species
  • † Raphitoma rebecella
  • † Raphitoma sabinia
  • † Raphitoma specus
• Reithrodontomys
  • † Reithrodontomys fulvescens
  • † Reithrodontomys megalotis
  • † Reithrodontomys montanus
  • † Reithrodontomys moorei
  • † Reithrodontomys rexroadensis – or unidentified comparable form
• † Retinella
  • † Retinella indentata

• 

  A living Retusa barrel bubble sea snail

  Retusa
  • † Retusa adamsi
  • † Retusa adamski – or unidentified comparable form
  • † Retusa emoryi
  • † Retusa galba
  • † Retusa jacksonensis
  • † Retusa kellogii
  • † Retusa notata – type locality for species
  • † Retusa sylvaerupis
• † Rhabdopitaria
  • † Rhabdopitaria astartoides
  • † Rhabdopitaria pricei
  • † Rhabdopitaria texangelina
• Rhinobatos
• Rhinocheilus
  • † Rhinocheilus lecontei
• Rhinoptera
• Rhizorus
  • † Rhizorus conradianus
  • † Rhizorus loisae
  • † Rhizorus minutissimus
  • † Rhizorus smithvillensis
  • † Rhizorus volutatus

• 

  Restoration of the Miocene-Pliocene elephant relative Rhynchotherium

  † Rhynchotherium – tentative report
• Rimella
  • † Rimella laqueatus
  • † Rimella texanum
• Ringicula
  • † Ringicula alabamensis
  • † Ringicula butleriana – tentative report
  • † Ringicula dubia
  • † Ringicula trapaquara
• † Rooneyia – type locality for genus
  • † Rooneyia viejaensis – type locality for species
• † Rotalia
  • † Rotalia beccarii
• † Rotularia
• † Rudiscala

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Contents

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• B
• C
• D
• E
• F
• G
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• M
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• Saccella
  • † Saccella atakta
• Salvadora
  • † Salvadora paleolineata
• † Sapindus
  • † Sapindus linearifolius

• 

  Shell of a Sassia triton sea snail

  Sassia
  • † Sassia nucleoides – type locality for species
  • † Sassia septemdentata
  • † Sassia septendentata
• † Saxolucina
  • † Saxolucina claytonia
• Scalina
  • † Scalina dolosa
  • † Scalina trapaquara
• Scalopus
  • † Scalopus aquaticus
• Scaphander
• Scaphella
  • † Scaphella newcombiana
  • † Scaphella showalteri

• 

  A living Scaphiopus , or North American spadefoot toad

  Scaphiopus
• † Scaphites
• Sceloporus
  • † Sceloporus olivaceus
  • † Sceloporus undulatus
• † Scenopagus
  • † Scenopagus edenensis – or unidentified comparable form
• † Schedocardia
  • † Schedocardia hatchetigbeensis
• † Schizorthosecos
  • † Schizorthosecos interstitia
• Sciurus

  • 

    A living Sciurus carolinensis , or eastern gray squirrel

    † Sciurus carolinensis
  • † Sciurus niger
• Scobinella
  • † Scobinella reticulatoides
• † Selaginella
• Selenophorus – or unidentified comparable form
• Semele
  • † Semele australina
• † Semiactaeon
  • † Semiactaeon texanum – type locality for species
• † Septastrea
  • † Septastrea kerioides – type locality for species
• Serpulorbis
  • † Serpulorbis gonioides
  • † Serpulorbis multiclavus – type locality for species
• Sigatica
  • † Sigatica harrisi
• Sigmodon
  • † Sigmodon curtisi – or unidentified comparable form

  • 

    A living Sigmodon hispidus , or hispid cotton rat

    † Sigmodon hispidus
  • † Sigmodon hudspethensis – type locality for species
  • † Sigmodon minor
• † Signata – type locality for genus
  • † Signata nicoli – type locality for species
  • † Signata stenzeli – type locality for species
• Siliqua
  • † Siliqua simondsi
• † Simidectes
  • † Simidectes magnus
• † Similisciurus
  • † Similisciurus maxwelli – type locality for species
• † Simimys – or unidentified comparable form
• Simnia
  • † Simnia texana
• Sincola
  • † Sincola galvestonensis
• Sinodia
  • † Sinodia eocaenica

• 

  Fossilized skeleton of the Eocene-Oligocene creodont mammal Sinopa

  † Sinopa
  • † Sinopa major
• Sinum
  • † Sinum arctatum
  • † Sinum bilix
  • † Sinum declive
  • † Sinum fiski – type locality for species
  • † Sinum inconstans
  • † Sinum moveum – type locality for species
  • † Sinum taylori – type locality for species
• Siphonalia
  • † Siphonalia newtonensis
  • † Siphonalia plummeri
• Siren
  • † Siren miotexana – type locality for species
• † Skaptotion
  • † Skaptotion reklawensis – type locality for species
• Skena
  • † Skena pignus
• Skenea
  • † Skenea dalli

• 

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

  † Smilodon
  • † Smilodon fatalis
• † Soergelia
  • † Soergelia mayfieldi
• Solariella
  • † Solariella aldrichiana
  • † Solariella tricostata
• Solariorbis
  • † Solariorbis conicus – type locality for species
  • † Solariorbis discoides – type locality for species
  • † Solariorbis parsnaticoide – type locality for species
  • † Solariorbis parsnaticoides – type locality for species
  • † Solariorbis proius
  • † Solariorbis velarum – type locality for species
• † Solastella – type locality for genus
  • † Solastella cookei – type locality for species
• Solemya
  • † Solemya bilix
• Solen
  • † Solen pendletonensis
• Solena
  • † Solena shirleyi – type locality for species
• † Sophora
  • † Sophora wilcoxiana
• Sorex
  • † Sorex cinereus
  • † Sorex cudahyensis
  • † Sorex lacustris
  • † Sorex megapalustris

  • 

    A living Sorex palustris , or American water shrew

    † Sorex palustris
  • † Sorex pratensis
  • † Sorex taylori
  • † Sorex vagrans
• Spermophilus
  • † Spermophilus elegans – or unidentified comparable form
  • † Spermophilus finlayensis
  • † Spermophilus howelli – or unidentified comparable form
  • † Spermophilus mcgheei
  • † Spermophilus spilosoma

  • 

    A living Ictidomys tridecemlineatus (formerly Spermophilus tridecemlineatus), or thirteen-lined ground squirrel

    † Spermophilus tridecemlineatus
  • † Spermophilus variegatus
• Sphaerium
  • † Sphaerium striatinum
• † Sphyreana
• Spilogale
  • † Spilogale microdens
  • † Spilogale putorius
  • † Spilogale rexroadi
• † Spinizoncolpites
  • † Spinizoncolpites prominatus
• Spirorbis
  • † Spirorbis leptostoma
• Spirotropis
  • † Spirotropis claibornica – type locality for species
• Spisula
  • † Spisula parilis
• Sportella – tentative report
  • † Sportella divaricata
• Stagnicola
  • † Stagnicola bulimoides
  • † Stagnicola exilis
  • † Stagnicola reflexa

• 

  Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon

  † Stegomastodon
  • † Stegomastodon mirificus
• † Steneofiber
  • † Steneofiber barbouri – or unidentified comparable form
  • † Steneofiber fossor
  • † Steneofiber hesperus
• † Stenomylus
• † Stenotrema
  • † Stenotrema leai
  • † Stenotrema monodon
• Sternotherus
• Sthenictis
• † Stintonia
  • † Stintonia brazosia

• 

  Mounted fossilized skeleton of the fossil pronghorn Stockoceros

  † Stockoceros – or unidentified comparable form
• Storeria
  • † Storeria dekayi
• † Strepsidura
  • † Strepsidura contorea
  • † Strepsidura ficus
  • † Strepsidura harrisi – type locality for species
• Striarca
  • † Striarca stearnsii
  • † Striarca webbervillensis
• † Striatolamia
  • † Striatolamia macrota
• Strobilops
  • † Strobilops texasiana
• † Stygimys
  • † Stygimys vastus – type locality for species

• 

  Life restoration of the Eocene taeniodont mammal Stylinodon mirus

  † Stylinodon
• Succinea
  • † Succinea avara
• † Sulcocypraea
  • † Sulcocypraea kennedyi
• Surculites
  • † Surculites cabezai
  • † Surculites lapillus – type locality for species
• † Surculoma
  • † Surculoma dumblei
  • † Surculoma falsabenes
  • † Surculoma imbricata – type locality for species
  • † Surculoma kellogii
  • † Surculoma leoncola
  • † Surculoma penrosei
• † Sycostoma
  • † Sycostoma texana – type locality for species
• Sylvilagus
  • † Sylvilagus audubonii
  • † Sylvilagus floridanus
  • † Sylvilagus hibbardi
• † Symmetrodontomys
  • † Symmetrodontomys beckensis
  • † Symmetrodontomys simplicidens
• † Symplocos ^[2]
  • † Symplocos amoena – type locality for species ^[2]
  • † Symplocos fritschii – type locality for species ^[2]
  • † Symplocos martinettoi – type locality for species ^[2]
  • † Symplocos platycarpa – type locality for species ^[2]
  • † Symplocos rothwelii – type locality for species ^[2]
  • † Symplocos trinitiensis – type locality for species ^[2]
  • † Symplocos trisulcata – type locality for species ^[2]
• Synaptomys
  • † Synaptomys australis – or unidentified comparable form
  • † Synaptomys cooperi
• † Syncyclonema

• 

  Life restoration of the Miocene even-toed ungulate Synthetoceras

  † Synthetoceras
  • † Synthetoceras tricornatus – type locality for species
• Syrphus – or unidentified comparable form
• Syrrhophus
  • † Syrrhophus marnocki

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• Tantilla
• Tanytarsus – tentative report

• 

  A living Tapirus , or tapir

  Tapirus
  • † Tapirus haysii
  • † Tapirus veroensis
• Taxidea
  • † Taxidea taxus
• Teinostoma
  • † Teinostoma barryi – type locality for species
  • † Teinostoma eoa
  • † Teinostoma texanum

• 

  Restoration of the Miocene-Pliocene rhinoceros Teleoceras

  † Teleoceras
  • † Teleoceras fossiger
  • † Teleoceras guymonense
  • † Teleoceras hicksi
  • † Teleoceras major
  • † Teleoceras medicornutum
  • † Teleoceras meridianum

• 

  Shell of a Tellina , or tellin

  Tellina
  • † Tellina cherokeensis
  • † Tellina leana
  • † Tellina makelloides
  • † Tellina petropolitana
  • † Tellina quihi
  • † Tellina santander
  • † Tellina semipapyra – or unidentified comparable form
  • † Tellina semipapyria
  • † Tellina tallicheti
  • † Tellina trumani

• 

  Shell in multiple views of a Tenagodus sea snail

  Tenagodus
  • † Tenagodus texanus
• † Tenuimactra – type locality for genus
  • † Tenuimactra hodgkinsoni – type locality for species
• † Tephrocyon
  • † Tephrocyon scitulus
• Terebellum
• Terebra
  • † Terebra texagyra
• † Terebrifusus
  • † Terebrifusus amoenus
  • † Terebrifusus multiplicatus
• Teredo
  • † Teredo maverickensis
  • † Teredo ringens
• Terminalia
  • † Terminalia hilgardiana
• † Ternstroemites
  • † Ternstroemites preclaibornensis
• Terrapene
  • † Terrapene carolina
  • † Terrapene ornata
• Testudo

• 

  Restoration of the Pleictocene pronghorn Tetrameryx

  † Tetrameryx
  • † Tetrameryx knoxensis
  • † Tetrameryx shuleri
• † Texasophis – type locality for genus
  • † Texasophis fossilis – type locality for species
• † Texmelanatria
  • † Texmelanatria angeloi
  • † Texmelanatria texana
• † Texoceros
  • † Texoceros altidens – type locality for species
• † Texodon
  • † Texodon meridianus – type locality for species
• † Texomys
  • † Texomys ritchiei – type locality for species
• Thamnophis
  • † Thamnophis proximus
  • † Thamnophis saurita
  • † Thamnophis sirtalis
• Theodoxus
  • † Theodoxus domicilium – type locality for species

• 

  Mounted fossilized skeleton of the Miocene-Pliocene ground sloth Thinobadistes

  † Thinobadistes
  • † Thinobadistes wetzeli
• † Thisbemys
  • † Thisbemys corrugatus
• Thomomys
  • † Thomomys bottae
  • † Thomomys talpoides – or unidentified comparable form
• † Tibiella – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Tibiella texana
• † Tiburnus
  • † Tiburnus texanus
• † Ticholeptus
  • † Ticholeptus rileyi – type locality for species

• 

  Life restoration of the Paleocene pantodont mammal Titanoides

  † Titanoides
  • † Titanoides gidleyi – or unidentified comparable form
• † Tomarctus
  • † Tomarctus brevirostris
• † Tornatellaea
  • † Tornatellaea leai
  • † Tornatellaea quercollis – tentative report
  • † Tornatellaea texana
• † Tornatina – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Tornatina angelinae
• † Toromeryx
  • † Toromeryx marginensis – type locality for species
• † Toxotherium
  • † Toxotherium hunteri
• † Transovula
  • † Transovula scobina – type locality for species
• † Trichiuris
• † Trigonias – tentative report
• † Trigonictis
  • † Trigonictis cookii
• Trigonostoma
  • † Trigonostoma babylonicum
  • † Trigonostoma elegantissima – type locality for species
  • † Trigonostoma gemmatum
  • † Trigonostoma harrisi
  • † Trigonostoma herbae – type locality for species
  • † Trigonostoma jonesae – type locality for species
  • † Trigonostoma panones
  • † Trigonostoma penrosei
  • † Trigonostoma sabinetownense
  • † Trigonostoma sabinetownensis – type locality for species
• Trigonulina
  • † Trigonulina satex
• † Trimalaxis – type locality for genus
  • † Trimalaxis ora – type locality for species
• † Trinacria
  • † Trinacria microcancellata – type locality for species
• † Tripia
  • † Tripia anteatripla – tentative report
• † Triplopus – tentative report
  • † Triplopus implicatus – or unidentified comparable form
• Trochita
  • † Trochita aperta
• Trochocyathus
  • † Trochocyathus coloradoensis – type locality for species
  • † Trochocyathus uber – type locality for species

• 

  A living Tropidoclonion , or lined snake

  Tropidoclonion
  • † Tropidoclonion lineatum
• † Tropisurcula
  • † Tropisurcula crenula – tentative report
  • † Tropisurcula grandis – type locality for species
  • † Tropisurcula milamensis – type locality for species
  • † Tropisurcula planus – type locality for species
• † Truncilla
  • † Truncilla truncata
• † Trygon
  • † Trygon alveolatus – type locality for species
• † Trypanotoma
  • † Trypanotoma longispira
  • † Trypanotoma terebriformis
• † Trypanotopsis
  • † Trypanotopsis texana
• † Tuba
  • † Tuba antiquata
• Tubiola
  • † Tubiola gracilis – type locality for species

• 

  Shell of a Tucetona bittersweet clam

  Tucetona
  • † Tucetona sabinensis
• † Turbinolia
  • † Turbinolia pharetra
  • † Turbinolia subtercisa – type locality for species
  • † Turbinolia tenuis
• Turboella
• Turbonilla
  • † Turbonilla clinensis
  • † Turbonilla meta – type locality for species
  • † Turbonilla neglecta – type locality for species
• Turpinia ^[2]
  • † Turpinia tiffneyi – type locality for species ^[2]
• Turricula
  • † Turricula floweri
  • † Turricula nasuta
  • † Turricula plenta

• 

  Shell in multiple views of a Turris sea snail

  Turris
  • † Turris bimaniofus – or unidentified comparable form
  • † Turris capax
  • † Turris mediavia
  • † Turris nadoideus
  • † Turris nasuta – or unidentified comparable form
  • † Turris rockscreekensis
  • † Turris specus
• Turritella
  • † Turritella – type locality for species informal
  • † Turritella bellifera
  • † Turritella biplicata – or unidentified comparable form
  • † Turritella chirena
  • † Turritella cortezi
  • † Turritella dutexata
  • † Turritella eurynome
  • † Turritella femina
  • † Turritella hilli
  • † Turritella houstonia
  • † Turritella humerosa
  • † Turritella kincaidensis
  • † Turritella nasuta
  • † Turritella nerinexa
  • † Turritella ola
  • † Turritella plummeri
  • † Turritella polysticha
  • † Turritella prehumerosa
  • † Turritella premortoni
  • † Turritella turneri
• † Tylotrochus

• 

  A living Tympanuchus , or prairie chicken

  Tympanuchus
• Typhina
  • † Typhina palmerae
• † Typodus
  • † Typodus thyroidea
• Tyto
  • † Tyto alba

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  Life restoration of the Eocene mammal Uintatherium

  † Uintatherium – or unidentified comparable form
  • † Uintatherium anceps
• Umbraculum
  • † Umbraculum planulatum
  • † Umbraculum tomaculum – type locality for species
• Unio
• Urocyon
  • † Urocyon cinereoargenteus – or unidentified comparable form
  • † Urocyon galushai
• Uromitra
  • † Uromitra brazosana
• Ursus
  • † Ursus americanus
• † Ustatochoerus
  • † Ustatochoerus leptoscelos
  • † Ustatochoerus major

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• 

  A living Vallonia land snail

  Vallonia
  • † Vallonia gracilicosta
  • † Vallonia parvula
• † Varicobela
  • † Varicobela filum – type locality for species
• Venericardia
  • † Venericardia bashiplata
  • † Venericardia densata – type locality for species
  • † Venericardia dua
  • † Venericardia eoa
  • † Venericardia horatiana
  • † Venericardia jewelli
  • † Venericardia mediaplata
  • † Venericardia planicosta
  • † Venericardia rotunda
  • † Venericardia smithi
  • † Venericardia smithii
  • † Venericardia stewarti
  • † Venericardia texalana
• Verticordia
  • † Verticordia satex – or unidentified comparable form
• Vertigo

  • 

    Illustration of the opening of the shell of a Vertigo ovata land snail, or ovate vertigo

    † Vertigo ovata
• † Vetericardiella
  • † Vetericardiella webbervillensis
• Vibracellina
  • † Vibracellina capillaria
• † Viejadjidaumo
  • † Viejadjidaumo magniscopuli – type locality for species
• † Viridomys
• † Vokesula
  • † Vokesula aldrichi
  • † Vokesula smithvillensis
• † Volutostrombus – type locality for genus
  • † Volutostrombus eocenica – type locality for species
• † Volvaria
  • † Volvaria gabbiana
  • † Volvaria reticulata
• † Volvariella
  • † Volvariella milamensis – type locality for species
• Volvulella
  • † Volvulella reklawensis – type locality for species
• Vulpes
  • † Vulpes stenognathus

  • 

    A living Vulpes velox , or swift fox

    † Vulpes velox
  • † Vulpes vulpes

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• † Xenochelys

• 

  Fossilized skull of the Pliocene-Pleistocene wolf Xenocyon

  † Xenocyon
  • † Xenocyon texanus
• Xenophora

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• Yoldia
  • † Yoldia houstonia
  • † Yoldia kindlei
  • † Yoldia praecompsa
• Yua ^[2]
  • † Yua texana – type locality for species ^[2]
• † Yumaceras
  • † Yumaceras figginsi – or unidentified comparable form

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• † Zanthopsis
  • † Zanthopsis peytoni
• † Zanycteris – tentative report
• Zonitoides

  • 

    Living Zonitoides arboreus land snails

    † Zonitoides arboreus

References

1. Steven R. May (2019). "The Lapara Creek Fauna: Early Clarendonian of south Texas, USA". Palaeontologia Electronica. 22 (1): Article number 22.1.15. doi: 10.26879/929 .
2. Indah B. Huegele; Steven R. Manchester (2019). "Newly recognized diversity of fruits and seeds from the late Paleogene flora of Trinity County, East Texas, USA". International Journal of Plant Sciences. 180 (7): 681–708. doi:10.1086/704358. S2CID   201199597.

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