List of the Cenozoic life of Texas

• †Abdounia • †Abdounia enniskilleni • †Abdounia recticona • Abra • †Abra nitens • †Abra petropolitana • 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 • 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 • , 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 • '', 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 • . 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 • †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 • †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 • 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 • †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 • , 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 • 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 • †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 ==B==

• †Baioconodon • Baiomys • †Baiomys rexroadi • †Baiotomeus • †Baiotomeus douglassi • Bairdia • †Bairdia oviformis • stony coral Balanophyllia'' • †Balanophyllia augustinensis – type locality for species • †Balanophyllia desmophyllum • †Balanophyllia irrorata • †Balanophyllia ponderosa • Balanus • Balcis • †Balcis exilis • †Balcis tenua • †Balcis wheeleri • †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 • †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 • , 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 • †Blancotherium buckneri – type locality for species. Formerly known as Gnathabelodon buckneri. • Blarina • †Blarina brevicauda – or unidentified comparable form • †Blastomeryx • †Blastomeryx vigoratus – type locality for species • †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 • 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 • †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 • (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 ==C==

• 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 • †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 • †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 • †Capromeryx'' • †Capromeryx furcifer • Capulus • †Capulus americanus • Carapus • †Carapus smithvillensis – type locality for species • Carcharhinus • †Carcharhinus gibbesi • Cardiomya • †Cardiomya fredsmithi – type locality for species • '''' • †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 • 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 • . 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 • †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 • 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 • 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 • , 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 • 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 • †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 • 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 • 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 • , 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 • , 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 • †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 • †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==

• †Dakotaophis • †Dakotaophis greeni • †Daphoenictis • †Daphoenodon • †Daphoenodon notionastes • †Daphoenus • †Daphoenus lambei – or unidentified comparable form • Dasyatis • Dasypus • , 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 • 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 • †Duchesneodus'' • †Duchesneodus uintensis ==E==

• †Eburneopecten • †Eburneopecten scintillatus • †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 • keyhole limpet Emarginula'' – or unidentified comparable form • Endochironomus • Endopachys • †Endopachys maclurii • Engelhardia • †Engelhardia trinitiensis – type locality for species • †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 • †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 • , 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 • (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 • 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 ==F==

• Falsifusus • †Falsifusus apicalis • †Falsifusus bastropensis • †Falsifusus harrisi • †Falsifusus houstonensis • †Falsifusus ludlovicianus • †Falsifusus ottonis • †Falsifusus perobliquus • †Falsifusus tobar • , 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 • , 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 • sea snail Fusinus'' • †Fusinus claibornica – type locality for species • †Fusoficula • †Fusoficula angelinensis • Fustiaria • †Fustiaria aciculata – type locality for species ==G==

• Gadila • †Gadila palmerae • Galeocerdo • †Galeocerdo eaglesomei • †Galeocerdo latidens • 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 • †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 • †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. • †Gnathabelodon buckneri – type locality for species. Later reclassified as Blancotherium buckneri • †Gomphopages • †Gomphopages turneri • †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 • †Gustafsonia'' • †Gustafsonia cognita • Guttulina • †Guttulina problema • Gyraulus • †Gyraulus circumstriatus • †Gyraulus parvus ==H==

• †Hadrianus • †Haimesiastraea • †Haimesiastraea conferta • †Haplaletes • †Haplaletes disceptatrix • †Haploconus • †Haploconus angustus • Haplocytheridea • †Haplocytheridea habropapillosa • †Haplocytheridea lisbonensis • †Haplocytheridea stenzeli • †Haplohippus'' • †Haplohippus texanus • Harpa • †Harpactocarcinus • †Harpactocarcinus americanus • †Harpactocarcinus rathbunnae • †Harpagolestes • †Harpagolestes uintensis • †Harrisianella • †Harrisianella plicifera • 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 • †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 • 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 • †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 • . Heinrich Harder (1920). †Hipparion'' • †Hipparion brevidontus • †Hipparion shirleyae • †Hipparion tehonense • †Hippidion • Hippodamia • †Hippodamia convergens – tentative report • Hipponix • †Hipponix pygmaeus • †Hippotherium • Holbrookia • 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 • . 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 • . Heinrich Harder (1920). †Hyracotherium'' • †Hyracotherium vasacciense ==I==

• †Icacorea • †Icacorea prepaniculata • Ictalurus • †Ictalurus punctatus • †Ictiobus • †Ignacius • †Ignacius frugivorus • †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 ==J==

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

• †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 • Kuphus'' ==L==

• †Lacinia • †Lacinia alveata • †Lacunaria • †Lacunaria lithae • †Laevibuccinum • †Laevibuccinum constrictum • †Laevibuccinum lineatum • †Lambdoceras • †Lambdoceras trinitiensis • †Lambertocyon • †Lambertocyon eximius • , 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 • 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 • †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 • , 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 • , 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 • , 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 • 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 • , or bobcat †Lynx rufus'' • Lyria • †Lyrosurcula • †Lyrosurcula gibbera • †Lyrosurcula vaughani • Lytta ==M==

• †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 • , 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 • . 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 • †Meliosma berryi – type locality for species • †Menetus • †Menetus dilataus • †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 • . 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 • . 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 • 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 • , 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 • , 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 • , 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 • †Mixotoxodon • 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 • †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 ==N==

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

• Oculina • †Oculina singleyi – type locality for species • Odocoileus • , 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 • , 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 • , 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 • †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 • . Robert Bruce Horsfall (1913). †Oxydactylus'' • †Oxydactylus benedentatus – type locality for species ==P==

• †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 • †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 • 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 • †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 • , 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 • . 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 • 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 • 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 • 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 • †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 • †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 • 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 • 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 • (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 • †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 • †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 • †Ptilodus'' • †Ptilodus mediaevus • Ptinus • Puma • †Puma concolor • Pupilla • †Pupilla blandi • Pupoides • †Pupoides albilabris • Pycnodonte • †Pycnodonte sylvaerupis • †Pylodictis • , 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 ==Q==

• †Quadratomus • †Quadratomus gigans • freshwater mussel †Quadrula'' • †Quadrula frustulosa • †Quadrula speciosa • Quinqueloculina • †Quinqueloculina claiborniana • †Quinqueloculina seminulum • †Quinqueloculina vulgaris ==R==

• Raja • 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 • 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 • †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 ==S==

• Saccella • †Saccella atakta • Salvadora • †Salvadora paleolineata • †Sapindus • †Sapindus linearifolius • 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 • , 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 • , 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 • , 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 • †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 • †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 • , 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 • (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 • †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 • †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 • †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 • †Symplocos amoena – type locality for species • †Symplocos fritschii – type locality for species • †Symplocos martinettoi – type locality for species • †Symplocos platycarpa – type locality for species • †Symplocos rothwelii – type locality for species • †Symplocos trinitiensis – type locality for species • †Symplocos trisulcata – type locality for species • Synaptomys • †Synaptomys australis – or unidentified comparable form • †Synaptomys cooperi • †Syncyclonema • †Synthetoceras'' • †Synthetoceras tricornatus – type locality for species • Syrphus – or unidentified comparable form • Syrrhophus • †Syrrhophus marnocki ==T==

• Tantilla • Tanytarsus – tentative report • , or tapir Tapirus'' • †Tapirus haysii • †Tapirus veroensis • Taxidea • †Taxidea taxus • Teinostoma • †Teinostoma barryi – type locality for species • †Teinostoma eoa • †Teinostoma texanum • †Teleoceras'' • †Teleoceras fossiger • †Teleoceras guymonense • †Teleoceras hicksi • †Teleoceras major • †Teleoceras medicornutum • †Teleoceras meridianum • , 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 • 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 • †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 • †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 • †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 • , 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 • 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 • †Turpinia tiffneyi – type locality for species • Turricula • †Turricula floweri • †Turricula nasuta • †Turricula plenta • 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 • , or prairie chicken Tympanuchus'' • Typhina • †Typhina palmerae • †Typodus • †Typodus thyroidea • Tyto • †Tyto furcata ==U==