List of the Mesozoic life of Texas

This list of the Mesozoic 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 252.17 and 66 million years of age.

A
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Acanthoceras
    † Acanthoceras
    • † Acanthoceras adkinsi
    • † Acanthoceras amphibolum
    • † Acanthoceras barcusi
    • † Acanthoceras eulessanum
    • † Acanthoceras johnsonanum
    • † Acanthoceras tarrantense
      • † Acanthoceras tarrantense nitidum
    • † Acanthoceras wintoni
    • † Acanthoceras worthense
  • Acesta
    • † Acesta sayeri
    • † Acesta sayrei
  • Acila
    • † Acila chicotana
  • Acirsa
    • † Acirsa flexicostata – tentative report
  • Acmaea
    • † Acmaea occidentalis
    • † Acmaea pilleolus
  • † Acompsoceras
  • Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus
    † Acrocanthosaurus
    • † Acrocanthosaurus atokensis
  • † Acrosmilia
  • Acteon
    • † Acteon nitidus – tentative report
    • † Acteon throckmortoni
  • † Acteonella
    • † Acteonella delgadoi
    • † Acteonella pecosensis
    • † Acteonella sublaevis – or unidentified comparable form
  • † Actinacis
    • † Actinacis valverdensis – type locality for species
  • † Actinastrea
    • † Actinastrea guadalupae
  • † Actinostreon
    • † Actinostreon gregareum
  • † Acutostrea
    • † Acutostrea plumosa
  • Life restoration of the Late Triassic synapsid (mammal precursor) Adelobasileus
    † Adelobasileus – type locality for genus
    • † Adelobasileus cromptoni – type locality for species
  • † Adinodon
    • † Adinodon pattersoni – type locality for species
  • † Adkinsella – type locality for genus
    • † Adkinsella edwardsensis – type locality for species
  • † Adkinsia
    • † Adkinsia bosquensis – type locality for species
    • † Adkinsia knikerae – type locality for species
  • † Adocus
  • † Aenona
    • † Aenona eufaulensis
  • † Aetodactylus – type locality for genus
    • † Aetodactylus halli – type locality for species
  • † Agerostrea
    • † Agerostrea mesenterica
  • † Aguileria
    • † Aguileria cumminsi
  • † Agujaceratops
    • † Agujaceratops mariscalensis – type locality for species
  • † Akera
    • † Akera constricta
  • Alamosaurus
    † Alamosaurus
    • † Alamosaurus sanjuanensis
  • † Albanerpeton
    • † Albanerpeton arthridion – type locality for species
    • † Albanerpeton gracilis
    • † Albanerpeton nexuosus
  • † Aliofusus
    • † Aliofusus balaniformis
    • † Aliofusus reagani
    • † Aliofusus reagani subtilis
    • † Aliofusus reagani tumidus
  • † Aliomactra
    • † Aliomactra compressa
  • † Alkaidia – type locality for genus
    • † Alkaidia sumralli – type locality for species
  • † Allocrioceras
    • † Allocrioceras annulatum
    • † Allocrioceras dentonense
    • † Allocrioceras larvatum
  • Alnus
    • † Alnus trina
  • Restorative model of the Late Cretaceous mammal Alphadon
    † Alphadon
    • † Alphadon halleyi – or unidentified comparable form
    • † Alphadon perexiguus – type locality for species
  • † Altairia – type locality for genus
    • † Altairia wintoni
  • † Amaurellina
    • † Amaurellina stephensoni
  • † Ambigostrea
    • † Ambigostrea tecticosta
  • † Ambrosea
    • † Ambrosea nitida
  • Ammobaculites
    • † Ammobaculites subcretaceous
    • † Ammobaculites subcretaceus
  • Fossilized shell of the Jurassic-Miocene sea snail Ampullina
    † Ampullina – or unidentified comparable form
    • † Ampullina abnormalis
    • † Ampullina densatus
    • † Ampullina lirata
  • Amuletum
    • † Amuletum boylei
    • † Amuletum curvocostatum
    • † Amuletum venustum
  • Amusium
    • † Amusium danei – tentative report
  • † Anacolosidites
  • † Anaklinoceras
    • † Anaklinoceras reflexum
  • † Anatimya
    • † Anatimya anteradiata
    • † Anatimya anteradiata texana
    • † Anatimya eulessana
    • † Anatimya longula
  • † Anchura
    • † Anchura bexarensis
    • † Anchura caddoensis
    • † Anchura campbelli
    • † Anchura elegans
    • † Anchura hoggi
    • † Anchura lamari
    • † Anchura modesta
    • † Anchura noackensis
    • † Anchura noakensis – tentative report
    • † Anchura substriata
    • † Anchura turricula
    • † Anchura whitneyensis
  • † Ancilla
    • † Ancilla acutula
  • † Angistorhinus
    • † Angistorhinus alticephalus – type locality for species
    • † Angistorhinus grandis
  • Reconstructive illustration of a fossilized skull of the Late Cretaceous duck-billed dinosaur Angulomastacator
    † Angulomastacator – type locality for genus
    • † Angulomastacator daviesi – type locality for species
  • † Anisoceras
    • † Anisoceras armatum
    • † Anisoceras perarmatum
  • † Anisomyon
    • † Anisomyon borealis – tentative report
    • † Anisomyon haydeni
  • † Anomalina
    • † Anomalina petita
    • † Anomalina torcerensis
  • † Anomalofusus
    • † Anomalofusus bellulus
    • † Anomalofusus lemniscatus
  • Anomia
    • † Anomia argentaria
    • † Anomia mexicana
    • † Anomia ornata
    • † Anomia ponticulana
    • † Anomia tellinoides
  • † Anomoeodus
  • † Anomotodon
    • † Anomotodon toddi – type locality for species
  • † Antillocaprina
  • † Apachesaurus
    • † Apachesaurus gregorii
  • † Aphrodina
    • † Aphrodina navarroana
    • † Aphrodina tippana
  • Aplousina
  • † Apsgnathus – type locality for genus
    • † Apsgnathus triptodon – type locality for species
  • † Aquilarhinus – type locality for genus[1]
    • † Aquilarhinus palimentus – type locality for species[2]
  • Arca
    • † Arca martindalensis
    • † Arca pergracilis
    • † Arca rostellata
    • † Arca securiculata
  • Architectonica
    • † Architectonica voragiformis
  • Arcopsis
    • † Arcopsis nolani
  • † Arctostrea
    • † Arctostrea falacata
  • † Areopsammia – type locality for genus
    • † Areopsammia bakerae – type locality for species
  • Restoration of the Late Triassic lungfish Arganodus with an anachronistic human to scale
    † Arganodus
    • † Arganodus dorotheae – type locality for species
  • Arrhoges
    • † Arrhoges cibolensis
    • † Arrhoges ciboloensis
    • † Arrhoges lobata media
    • † Arrhoges plenocosta
  • † Asciocythere
    • † Asciocythere rotunda
  • † Aspidoceras
    • † Aspidoceras laevigatum
  • † Astacodes
    • † Astacodes davisi
    • † Astacodes maxwelli
  • † Astandes
  • Astarte
    • † Astarte culebrensis
    • † Astarte malonensis
  • † Astartemya
    • † Astartemya fentressensis
  • Electron micrograph and gross view of an Astrangia stony coral
    Astrangia
    • † Astrangia cretacea
    • † Astrangia lamarensis – type locality for species
  • Astreopora – tentative report
    • † Astreopora leightoni – type locality for species
  • † Astrocoenia
    • † Astrocoenia budaensis – type locality for species
    • † Astrocoenia nidiformis
    • † Astrocoenia scyphoidea – type locality for species
  • † Astroconodon – type locality for genus
    • † Astroconodon denisoni – type locality for species
  • † Astrocratis – type locality for genus
    • † Astrocratis acutispina – type locality for species
  • Life restoration of the Early Cretaceous long-necked dinosaur Astrodon
    † Astrodon
    • † Astrodon johnstoni
  • † Astrophocaudia – type locality for genus
    • † Astrophocaudia slaughteri – type locality for species
  • † Atreta
    • † Atreta minor
  • † Aulastraeopora – type locality for genus
    • † Aulastraeopora harrisi – type locality for species
  • † Axonoceras
    • † Axonoceras compressum
    • † Axonoceras multicostatum
    • † Axonoceras multicostatum rotundum
    • † Axonoceras pingue
  • † Axosmilia
    • † Axosmilia craginiana – type locality for species
    • † Axosmilia whitneyi – type locality for species

B
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    † Baculites
    • † Baculites aquilaensis - or unidentified loosely related form
    • † Baculites claviformis
    • † Baculites haresi – or unidentified comparable form
    • † Baculites ovatus
    • † Baculites scotti
    • † Baculites taylorensis
    • † Baculites tippahensis
    • † Baculites undatus
  • † Baena – report made of unidentified related form or using admittedly obsolete nomenclature
  • † Banis
    • † Banis siniformis
  • Barbatia – tentative report
    • † Barbatia carolinensis
  • † Barroisiceras
  • Mounted fossilized skeleton of the Cretaceous turtle Basilemys
    † Basilemys
  • † Bathycyathus – tentative report
    • † Bathycyathus lloydi – type locality for species
  • † Bathytormus
    • † Bathytormus pteropsis
  • † Belemnitella
    • † Belemnitella americana
  • † Bellifusus
    • † Bellifusus angulicostatus – or unidentified related form
    • † Bellifusus buffaloensis
    • † Bellifusus coronatus
    • † Bellifusus crassicostatus
    • † Bellifusus deatsvillensis
    • † Bellifusus multicostatus
    • † Bellifusus robustus
    • † Bellifusus tennistriatus
  • † Belliscala
    • † Belliscala crideri
    • † Belliscala forbeyi
    • † Belliscala rockensis
  • † Belodon
    • † Belodon superciliosus – type locality for species
  • Fossilized skeleton of the Late Cretaceous bony fish Belonostomus
    † Belonostomus
  • † Beretra
    • † Beretra contracta
    • † Beretra elongata
    • † Beretra firma
    • † Beretra ornatula
    • † Beretra ripleyana
    • † Beretra striata
  • Life restoration of the Early Cretaceous crocodilian relative Bernissartia
    † Bernissartia – tentative report
  • † Betelgeusia – type locality for genus
    • † Betelgeusia reidi – type locality for species
  • † Borissiakoceras
    • † Borissiakoceras orbiculatum
  • † Bostrychoceras
    • † Bostrychoceras polyplocum
  • Botula
    • † Botula carolinensis
    • † Botula conchafodentis
    • † Botula plumosa
  • Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird
    † Brachauchenius
    • † Brachauchenius lucasi
  • Brachidontes
    • † Brachidontes arlingtonanus
    • † Brachidontes filisculptus
    • † Brachidontes filisculptus microcostae
    • † Brachidontes fulpensis
  • Brachiodontes
  • † Brachychampsa
  • † Brachycythere – tentative report
    • † Brachycythere subconcentrica
  • † Brachyrhizodus – type locality for genus
    • † Brachyrhizodus wichitaensis – type locality for species
  • † Brachysuchus – type locality for genus
    • † Brachysuchus megalodon – type locality for species
  • Life restoration of the Late Cretaceous horned dinosaur Bravoceratops
    † Bravoceratops – type locality for genus
    • † Bravoceratops polyphemus – type locality for species
  • † Breviarca
    • † Breviarca grandis
    • † Breviarca habita
    • † Breviarca minor
    • † Breviarca nolani
    • † Breviarca plummeri
  • † Brontopodus – type locality for genus
    • † Brontopodus birdi – type locality for species
  • † Buccinopsis
    • † Buccinopsis crassa
    • † Buccinopsis crassicostata
    • † Buccinopsis crassus
    • † Buccinopsis globosa
    • † Buccinopsis greenensis
    • † Buccinopsis perryi
    • † Buccinopsis solida
  • † Budaia – type locality for genus
    • † Budaia travisensis – type locality for species
  • † Budaiceras
    • † Budaiceras alticarinatum
    • † Budaiceras elegantior
    • † Budaiceras hyatti
  • † Burckhardtites
    • † Burckhardtites palmensis
  • Busycon – tentative report

C
  • Cadulus
    • † Cadulus coonensis
    • † Cadulus obnutus
    • † Cadulus praetenuis
  • Caestocorbula
    • † Caestocorbula crassaplica
    • † Caestocorbula crassiplica
    • † Caestocorbula suffalciata
    • † Caestocorbula terramaria
    • † Caestocorbula torta
    • † Caestocorbula williardi
  • Callianassa
  • † Calliomphalus
    • † Calliomphalus americanus
    • † Calliomphalus bellulus
    • † Calliomphalus microcancelli
  • Callistina
    • † Callistina alta
    • † Callistina lamarensis
    • † Callistina munda
    • † Callistina taffi
  • † Callodus – type locality for genus
    • † Callodus coronatus – type locality for species
  • Callucina
    • † Callucina chatfieldana
    • † Callucina oleodorsum
    • † Callucina seminalis
  • † Calyptosuchus – type locality for genus
    • † Calyptosuchus wellesi – type locality for species
  • Three modern shells of Calyptraea, or Chinese hat snails
    Calyptraea
  • † Camptonectes
    • † Camptonectes bellisculptus
    • † Camptonectes bubonis
    • † Camptonectes burlingtonensis
    • † Camptonectes cavanus
    • † Camptonectes ellsworthensis
    • † Camptonectes kaufmanensis
    • † Camptonectes martinsensis
  • Cancellaria
    • † Cancellaria matroni – tentative report
  • † Cantabrigites
    • † Cantabrigites spinosum
    • † Cantabrigites subsimplex – or unidentified related form
  • Cantharus – tentative report
  • † Cantioscyllium
    • † Cantioscyllium meyeri – type locality for species
  • † Capellia – type locality for genus
    • † Capellia mauricei – type locality for species
  • Fossilized shell of the Cretaceous marine bivalve Caprina
    † Caprina
    • † Caprina coraloidea
    • † Caprina douvillei
  • † Caprinuloidea
    • † Caprinuloidea multitubifera
    • † Caprinuloidea perfecta
  • Capulus
    • † Capulus cuthandensis
    • † Capulus erectus
    • † Capulus microstriatus – tentative report
    • † Capulus spangleri
  • A living Carcharias sand tiger shark
    Carcharias
    • † Carcharias heathi – type locality for species
    • † Carcharias holmdelensis
    • † Carcharias samhammeri – or unidentified comparable form
  • † Cardiaster
    • † Cardiaster leonensis
  • Cardium
    • † Cardium wadei
  • † Caririchnium
    • † Caririchnium protohadrosaurichnos – type locality for species
  • Carota
    • † Carota biplicata
    • † Carota pendula
    • † Carota robusta
  • † Carycorbula
    • † Carycorbula martinae
  • Caryocorbula
    • † Caryocorbula ovisana
    • † Caryocorbula tradingensis
    • † Caryocorbula varia
  • A living Caryophyllia solitary coral
    Caryophyllia
    • † Caryophyllia comanchei – type locality for species
    • † Caryophyllia dentonensis – type locality for species
    • † Caryophyllia konincki – type locality for species
  • † Caseosaurus – type locality for genus
    • † Caseosaurus crosbyensis – type locality for species
  • † Casierius
    • † Casierius heckeli
    • † Casierius heckelii
  • † Catactegenys – type locality for genus
    • † Catactegenys solaster – type locality for species
  • † Catastomocystis
    • † Catastomocystis spinosa
  • Fossilized skeleton of the Permian-Early Cretaceous bony fish Caturus
    † Caturus
  • † Caveola
    • † Caveola acuta – tentative report
    • † Caveola bellsana
    • † Caveola producta
  • † Cedarosaurus
    • † Cedarosaurus weiskopfae
  • † Cenomanocarcinus
    • † Cenomanocarcinus refroae
    • † Cenomanocarcinus renfroae
    • † Cenomanocarcinus vanstraeleni
  • Life restoration of the Late Triassic-Eocene lungfish Ceratodus
    † Ceratodus
    • † Ceratodus americanus – or unidentified comparable form
  • Ceratotrochus – tentative report
  • † Ceriopora
  • Cerithiella
    • † Cerithiella nodoliratum – or unidentified related form
    • † Cerithiella semirugatum
  • Cerithium
    • † Cerithium simpsonensis
  • † Chamops
  • † Champsosaurus
  • † Chartecytis
  • † Cheloniceras
    • † Cheloniceras adkinsi
    • † Cheloniceras cornuelianum
  • Restoration of the Late Triassic theropod dinosaur Chindesaurus
    † Chindesaurus
    • † Chindesaurus bryansmalli
  • † Chinlea
    • † Chinlea sorenseni
  • † Chirostenotes
  • † Chondrodonta
    • † Chondrodonta glabra
    • † Chondrodonta munsoni
    • † Chondrodonta youngi – type locality for species
  • † Chupacabrachelys – type locality for genus
    • † Chupacabrachelys complexus – type locality for species
  • Cidaris
    • † Cidaris hemigranosus
    • † Cidaris texanus
  • † Cimexomys
  • † Cimoliasaurus
  • Life restoration of the Late Cretaceous pterosaur Cimoliopterus (left) stealing fish from another pterosaur
    † Cimoliopterus
    • † Cimoliopterus dunni – type locality for species
  • † Cimolodon
    • † Cimolodon electus – or unidentified comparable form
  • † Cimolomys
    • † Cimolomys clarki
  • † Cinulia
    • † Cinulia tarrantensis – or unidentified related form
  • † Cionichthys
    • † Cionichthys greeni – type locality for species
  • † Citharina
    • † Citharina kochii
  • † Cladoceramus
    • † Cladoceramus undulatoplicatus
  • † Cladophyllia
    • † Cladophyllia furcifera
  • † Clavipholas
    • † Clavipholas pectorosa
    • † Clavipholas whitfieldi
  • † Clevosaurus – or unidentified comparable form
    • † Clevosaurus latidens
  • Life restoration of the Late Cretaceous mosasaurid Clidastes
    † Clidastes
    • † Clidastes liodontus
  • Cliona
    • † Cliona microtuberum
    • † Cliona retiformis
  • † Clisocolus
    • † Clisocolus concentricum
  • † Coahomasuchus – type locality for genus
    • † Coahomasuchus kahleorum – type locality for species
  • † Coahuilites – tentative report
  • † Coalcomana
    • † Coalcomana ramosa
  • † Codiopsis
    • † Codiopsis stephensoni – type locality for species
  • † Coelodus
    • † Coelodus decaturensis – type locality for species
    • † Coelodus fabadens – type locality for species
  • Life restoration of the Late Triassic-Early Jurassic theropod dinosaur Coelophysis with an anachronistic human to scale
    † Coelophysis
  • † Coelosmilia
    • † Coelosmilia americana
    • † Coelosmilia texana
  • † Coilopoceras
    • † Coilopoceras springeri
  • † Collignoniceras
    • † Collignoniceras woollgari
  • † Colognathus – type locality for genus
    • † Colognathus obscurus – type locality for species
  • † Colombiceras
    • † Colombiceras robustum
  • † Columbiceras
    • † Columbiceras robustus
  • † Comptoniaster
    • † Comptoniaster adamsi
  • † Confusiscala – tentative report
  • † Coniasaurus
    • † Coniasaurus crassidens
  • † Connectastrea – tentative report
    • † Connectastrea infundibuliformis – type locality for species
  • Conopeum
  • † Continuoolithus
  • † Conulus
    • † Conulus stephensoni – type locality for species
  • † Convolosaurus – type locality for genus[3]
    • † Convolosaurus marri – type locality for species[4]
  • A living Corbicula basket clam
    Corbicula
  • Corbula
    • † Corbula amniculana
    • † Corbula dentonensis
    • † Corbula inflata
    • † Corbula linteroidea
    • † Corbula ponsana
    • † Corbula pulvinata
    • † Corbula rockensis
    • † Corbula senecta
    • † Corbula starana
    • † Corbula subradiata
    • † Corbula subradiata texana
    • † Corbula torta – or unidentified related form
    • † Corbula williardi – tentative report
    • † Corbula woodi
  • † Coskinolinoides
    • † Coskinolinoides texanus
  • † Costellacesta
    • † Costellacesta sayrei
  • † Coupatezia
    • † Coupatezia turneri – type locality for species
  • † Craginia
    • † Craginia turriformis
  • Crassatella
    • † Crassatella hodgei
    • † Crassatella quinlanensis
    • † Crassatella vadosa
    • † Crassatella vadosa bexarensis
    • † Crassatella vadosa cedarensis
    • † Crassatella vadosa chatfieldensis
    • † Crassatella vadosa manorensis
  • Fossilized shell of the Cretaceous-modern oyster Crassostrea
    Crassostrea
    • † Crassostrea cortex
    • † Crassostrea cusseta
    • † Crassostrea trigonalis
  • † Crateraster
    • † Crateraster quinqueloba
    • † Crateraster texensis
  • † Crenella
    • † Crenella elegantula
    • † Crenella serica
    • † Crenella subcircularis
  • † Creonella
    • † Creonella deusseni
    • † Creonella triplicata
    • † Creonella whitei
  • † Cretacoranina
    • † Cretacoranina dichrous
  • Fossil of the Early Cretaceous-Eocene shark Cretolamna
    † Cretolamna
    • † Cretolamna appendiculata
    • † Cretolamna maroccana
  • † Cretorectolobus
    • † Cretorectolobus olsoni – or unidentified comparable form
  • † Crosbysaurus – type locality for genus
    • † Crosbysaurus harrisae – type locality for species
  • Ctena
    • † Ctena parvilineata
  • Shell of a Cucullaea, or false ark shell
    Cucullaea
    • † Cucullaea blanpiedi
    • † Cucullaea capax
    • † Cucullaea deatvillensis
    • † Cucullaea kingsensis
    • † Cucullaea murrayi
    • † Cucullaea powersi
  • † Cuna
    • † Cuna texana
  • † Curtocaprina – type locality for genus
    • † Curtocaprina clabaughikinsorum – type locality for species
  • Cuspidaria
    • † Cuspidaria alaeformis
    • † Cuspidaria ampulla
    • † Cuspidaria grandis
    • † Cuspidaria grovensis
  • † Cyathomorpha – tentative report
    • † Cyathomorpha damoni – type locality for species
  • † Cyathophora
    • † Cyathophora haysensis – type locality for species
    • † Cyathophora olssoni – type locality for species
  • † Cyclorisma
    • † Cyclorisma orbiculata
    • † Cyclorisma parva
    • † Cyclorisma pumila
  • † Cyclothyris
    • † Cyclothyris americana
  • Cylichna
    • † Cylichna incisa
    • † Cylichna secalina
  • Fossilized shell of the Late Jurassic-Oligocene nautiloid cephalopod Cymatoceras
    † Cymatoceras
    • † Cymatoceras hilli – or unidentified comparable form
    • † Cymatoceras texanum
  • † Cymbophora
    • † Cymbophora appressa
    • † Cymbophora berryi
    • † Cymbophora cancellosa
    • † Cymbophora inflata
    • † Cymbophora puteana
    • † Cymbophora saccellana
    • † Cymbophora scabellum
    • † Cymbophora schucherti
    • † Cymbophora securis
    • † Cymbophora simpsonensis
    • † Cymbophora spooneri
    • † Cymbophora subtilis
    • † Cymbophora wordeni
  • † Cymella
    • † Cymella bella
    • † Cymella bella texana
    • † Cymella ironensis
  • † Cypridae
    • † Cypridae wyomingensis – or unidentified related form
  • † Cyprimeria
    • † Cyprimeria alta
    • † Cyprimeria coonensis
    • † Cyprimeria depressa
    • † Cyprimeria patella
  • Cythere
    • † Cythere concentrica
  • † Cythereis
    • † Cythereis dentonensis
    • † Cythereis hawleyi
    • † Cythereis nuda
    • † Cythereis ornatissima
    • † Cythereis paupera
    • † Cythereis pustulosissima
    • † Cythereis worthensis
  • Cytherella
    • † Cytherella comanchensis
  • Cytherelloidea
    • † Cytherelloidea reticulata
    • † Cytherelloidea williamsoniana
  • Cytheropteron
    • † Cytheropteron rugosalatum
  • Cyzicus – tentative report
    • † Cyzicus shupei

D
  • Life restoration of the Late Cretaceous primitive mosasaur Dallasaurus
    † Dallasaurus – type locality for genus
    • † Dallasaurus turneri – type locality for species
  • † Darwinula
  • Dasmosmilia
    • † Dasmosmilia kochii – type locality for species
  • Dasyatis
    • † Dasyatis commercensis – type locality for species
  • † Dathmila
    • † Dathmila lineola
  • † Dawsonius
    • † Dawsonius tigris
  • Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus
    † Deinosuchus
    • † Deinosuchus riograndensis
    • † Deinosuchus rugosus – type locality for species
  • † Deltaichthys
    • † Deltaichthys albuloides
  • † Dendrosmilia – tentative report
    • † Dendrosmilia texana
  • † Denebia – type locality for genus
    • † Denebia americana
  • Dentalina
    • † Dentalina communis
  • Dentalium
    • † Dentalium inornatum
    • † Dentalium leve
    • † Dentalium minor
    • † Dentalium navarroi
    • † Dentalium pauperculum
    • † Dentalium sublineatum
    • † Dentalium vaughani
  • † Dentonia
    • † Dentonia leveretti
  • Restoration of the Late Triassic aetosaur Desmatosuchus with an anachronistic human to scale
    † Desmatosuchus
    • † Desmatosuchus haplocerus
    • † Desmatosuchus smalli – type locality for species
    • † Desmatosuchus spurensis – type locality for species
  • † Desmoceras
  • † Deussenia
    • † Deussenia bellalirata
    • † Deussenia ciboloensis
    • † Deussenia corbis
    • † Deussenia multilirae
    • † Deussenia travisana
  • † Dhondtichlamys
    • † Dhondtichlamys venustus
  • † Dichastopollenites
  • † Dictyoconus
    • † Dictyoconus walnutensis
  • † Dimorpharaea
    • † Dimorpharaea manchacaensis – type locality for species
  • † Dimorphastrea
    • † Dimorphastrea stantoni – type locality for species
  • † Dinogymnium
    • † Dinogymnium acuminatum
    • † Dinogymnium euclaense
  • Diodora – tentative report
    • † Diodora bartonvillensis
  • Fossilized skeleton of the Late Triassic tuatara relative Diphydontosaurus
    † Diphydontosaurus – or unidentified related form
  • † Diploastrea
    • † Diploastrea harrisi – type locality for species
    • † Diploastrea hilli – type locality for species
    • † Diploastrea vaughani – type locality for species
  • † Diplolonchidion – type locality for genus
    • † Diplolonchidion murryi – type locality for species
  • † Diplomoceras
    • † Diplomoceras trabeatus
  • † Discofascigera
  • Discorbis
    • † Discorbis correcta
    • † Discorbis minima
  • † Discoscaphites
    • † Discoscaphites conradi
    • † Discoscaphites erucoideus
  • † Distefanella – or unidentified comparable form
  • Mounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops
    † Dolichorhynchops
    • † Dolichorhynchops bonneri
  • !-- Doswellia: Automatic taxobox --> † Doswellia
  • † Douvilleiceras
    • † Douvilleiceras grandense
    • † Douvilleiceras mammillatum
    • † Douvilleiceras offarcinatum – or unidentified comparable form
    • † Douvilleiceras orbignyi – or unidentified comparable form
    • † Douvilleiceras quitmanense
    • † Douvilleiceras rex
    • † Douvilleiceras spathi
  • † Douvillelia – tentative report
    • † Douvillelia skeltoni
  • Shell of a Dreissena freshwater mussel
    † Dreissena
    • † Dreissena tippana
  • † Drepanocheilus
    • † Drepanocheilus corbetensis
    • † Drepanocheilus cuthandensis
    • † Drepanocheilus texanus
  • † Drepanochilus
    • † Drepanochilus corbetensis
    • † Drepanochilus davidsi
    • † Drepanochilus martini
    • † Drepanochilus texanus
    • † Drepanochilus triliratus
  • † Drilluta
    • † Drilluta brevispira
    • † Drilluta crassicostata
    • † Drilluta crassicostata longa
    • † Drilluta distans
    • † Drilluta major – or unidentified comparable form
    • † Drilluta paucicostata
  • Restoration of the Late Triassic dinosaur relative Dromomeron
    † Dromomeron
    • † Dromomeron gregorii – type locality for species
  • † Dryptosaurus
  • † Dufrenoyia
    • † Dufrenoyia justinae
    • † Dufrenoyia rebeccae
  • † Durania

E
  • † Echinocorys
    • † Echinocorys texanus
  • † Ecoacteon
    • † Ecoacteon linteus
  • † Ecphora
    • † Ecphora proquadricostata
  • Fossilized partial skeleton of the Late Cretaceous mosasaur Ectenosaurus
    † Ectenosaurus
  • † Edmontonia – or unidentified comparable form
  • † Elea – tentative report
  • † Elephantaria
    • † Elephantaria simondsi – type locality for species
  • † Ellipsoscapha
    • † Ellipsoscapha mortoni
    • † Ellipsoscapha striatella
  • Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring"
    † Enchodus
  • † Endoplocytia
  • † Endoptygma
    • † Endoptygma leprosa
  • † Endostoma
    • † Endostoma mexicana – or unidentified comparable form
  • † Engonoceras
    • † Engonoceras complicatum
    • † Engonoceras elegans
    • † Engonoceras gibbosum
    • † Engonoceras hilli
    • † Engonoceras retardum
    • † Engonoceras serpentinum
    • † Engonoceras stolleyi
    • † Engonoceras subjectum – or unidentified related form
  • † Enoploclytia
    • † Enoploclytia triglypta
    • † Enoploclytia wintoni
  • † Entolium
  • † Eoacteon
  • † Eodouvilleiceras
  • † Eomunidopsis
    • † Eomunidopsis limonitica
  • Eonavicula
    • † Eonavicula newspecies1
    • † Eonavicula rostellata
  • † Eoradiolites
    • † Eoradiolites davidsoni
  • † Eosiderastrea
    • † Eosiderastrea cuyleri – type locality for species
  • † Eoursivivas
    • † Eoursivivas harveyi
  • † Epiaster
    • † Epiaster whitei
  • † Epiphaxum
    • † Epiphaxum labyrinthicum – type locality for species
  • † Episcoposaurus – type locality for genus
    • † Episcoposaurus haplocerus – type locality for species
  • † Epistomina
    • † Epistomina charlottae
    • † Epistomina lacunosa
  • † Epistreptophyllum
    • † Epistreptophyllum boesei – type locality for species
    • † Epistreptophyllum budaensis – type locality for species
    • † Epistreptophyllum shumardi – type locality for species
  • † Epitonium
    • † Epitonium sillimani
  • † Etea
    • † Etea corsicana
    • † Etea peasi
  • † Ethmocardium
    • † Ethmocardium welleri
  • † Eubaculites
    • † Eubaculites carinatus
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras
    † Eubostrychoceras
    • † Eubostrychoceras reevesi
  • † Eucalycoceras
    • † Eucalycoceras templetonense – type locality for species
  • † Eufistulana
    • † Eufistulana ripleyana
  • † Eufistulina
    • † Eufistulina ripleyana
  • † Eugyra
    • † Eugyra cuyleri – type locality for species
  • † Euhoplites – tentative report
  • † Eulima
    • † Eulima clara
    • † Eulima laevigata
  • † Euomphaloceras
    • † Euomphaloceras alvaradoense
    • † Euomphaloceras lonsdalei
    • † Euomphaloceras septemseriatum
  • † Eupachydiscus
    • † Eupachydiscus grossouvrei
  • Shell of a Euspira moon sea snail
    † Euspira
    • † Euspira dorothiensis
    • † Euspira dorothiensis pendula
    • † Euspira rectilabrum
    • † Euspira rectilabrum texanus
    • † Euspira rivulana
  • Euthriofusus – or unidentified related form
    • † Euthriofusus convexus
  • † Eutrephoceras
    • † Eutrephoceras dekayi
    • † Eutrephoceras perlatus
    • † Eutrephoceras planoventer
  • † Ewingia – type locality for genus
    • † Ewingia problematica – type locality for species
  • Fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
    † Exogyra
    • † Exogyra americana
    • † Exogyra arientina
    • † Exogyra cancellata
    • † Exogyra columbella
    • † Exogyra columbella levis
    • † Exogyra costata
    • † Exogyra costata spinifera
    • † Exogyra erraticostata
    • † Exogyra potosina
    • † Exogyra spinifera
    • † Exogyra texana

F
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Fagesia
    † Fagesia
    • † Fagesia catinus
  • † Faraudiella
    • † Faraudiella franciscoensis
    • † Faraudiella roermeri
  • † Faujasia
    • † Faujasia chelonium – type locality for species
  • † Favia
    • † Favia texana
  • † Feldmannia
    • † Feldmannia wintoni
  • † Ficheuria
    • † Ficheuria pernoni – or unidentified related form
  • † Fictoacteon
    • † Fictoacteon alveolanus
    • † Fictoacteon humilispira
    • † Fictoacteon imlayi
    • † Fictoacteon saxanus
  • Filisparsa
  • † Flaventia
    • † Flaventia ludana
  • † Flemingostrea
    • † Flemingostrea pratti
    • † Flemingostrea subspatula
    • † Flemingostrea subspatulata
  • † Flexomornis – type locality for genus
    • † Flexomornis howei – type locality for species
  • † Flickia
    • † Flickia simplex – type locality for species
  • † Fomalhautia – type locality for genus
    • † Fomalhautia hortensae – type locality for species
  • † Forbesiceras
    • † Forbesiceras beaumontianum
    • † Forbesiceras brundrettei
    • † Forbesiceras conlini
  • † Forresteria
    • † Forresteria castellense – type locality for species
    • † Forresteria forresteri – type locality for species
    • † Forresteria sevierense – type locality for species
  • † Frenelopsis
    • † Frenelopsis ramosissima
  • † Fulgerca
    • † Fulgerca attenuata – or unidentified related form
    • † Fulgerca venusta
  • † Fulpia
    • † Fulpia pinguis
  • † Fungella
  • † Fuscinapedis – type locality for genus
    • † Fuscinapedis woodbinensis – type locality for species
  • † Fusimilis
    • † Fusimilis robustus
  • A living Fusinus sea snail
    Fusinus
    • † Fusinus cornelianus
    • † Fusinus macnairyensis – or unidentified related form

G
  • A living Galeorhinus galeus school shark
    Galeorhinus
    • † Galeorhinus girardoti – or unidentified related form
  • † Gallolestes
    • † Gallolestes agujaensis – type locality for species
  • † Garramites
    • † Garramites nitidus
  • Gastrochaena
  • Gaudryina
    • † Gaudryina austinana
    • † Gaudryina cushmani
    • † Gaudryina ellisorae
  • Gegania
    • † Gegania manzaneti
  • † Geltena
    • † Geltena nitida
    • † Geltena obesa
    • † Geltena prunoides
    • † Geltena subcompressa
    • † Geltena subequilatera
    • † Geltena sybcompressa
  • † Gerdalia
  • Fossilized shell of the Carboniferous-Eocene bivalve Gervillia
    † Gervillia
    • † Gervillia bryani
    • † Gervillia wellsi – tentative report
  • † Gervilliopsis
    • † Gervilliopsis ensiformis
    • † Gervilliopsis ensiformis extensa
    • † Gervilliopsis invaginata
  • Ginglymostoma
  • † Glenrosa
    • † Glenrosa pagiophylloides
    • † Glenrosa texensis
  • † Globator
    • † Globator vaughani – type locality for species
  • Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens
    † Globidens
    • † Globidens dakotensis
  • Globigerina
    • † Globigerina cretacea
    • † Globigerina washitaensis
  • Glossus
    • † Glossus bulbosa
    • † Glossus hendersoni
    • † Glossus irelandi
    • † Glossus shumardi
    • † Glossus slatana
    • † Glossus slatana parva
  • Glycymeris
    • † Glycymeris rotundata
    • † Glycymeris rotundata kaufmanensis
  • Fossilized skull and shell of the Late Jurassic-Early Cretaceous turtle Glyptops
    † Glyptops – tentative report
  • † Glyptoxoceras
    • † Glyptoxoceras texanum
  • † Gobiates
  • † Goniochasma
    • † Goniochasma scaphoides
  • † Goniocylichna
  • † Goniophorus
    • † Goniophorus scotti
  • † Graciliala
    • † Graciliala calcaris
    • † Graciliala cooki
    • † Graciliala johnsoni – tentative report
  • † Grammatodon
    • † Grammatodon adkinsi
    • † Grammatodon bowiei
  • † Granocardium
    • † Granocardium bowenae
    • † Granocardium conradi
    • † Granocardium deltanum
    • † Granocardium dumosum
    • † Granocardium kuemmeli
    • † Granocardium kummeli
    • † Granocardium lowei
    • † Granocardium rossae
    • † Granocardium tholi
    • † Granocardium tippananum
  • † Graphidula
    • † Graphidula gabrielensis – tentative report
    • † Graphidula hoggi
    • † Graphidula lynnensis
    • † Graphidula multicostata
    • † Graphidula terebriformis
  • † Graptocarcinus
    • † Graptocarcinus texanus
  • † Graysonia
    • † Graysonia bergquisti
  • † Graysonites
    • † Graysonites adkinsi
    • † Graysonites wacoense
  • † Gryphaea
    • † Gryphaea aucella – or unidentified related form
    • † Gryphaea gibberosa
    • † Gryphaea marcoui
    • † Gryphaea pitcheri
    • † Gryphaea washitaensis
  • † Gryphaeostrea
    • † Gryphaeostrea vomer
  • Restorative portrait of the Late Cretaceous duck-billed dinosaur Gryposaurus.
    † Gryposaurus – tentative report
    • † Gryposaurus alsatei
  • † Guembelina
    • † Guembelina globulosa
    • † Guembelina paucistriata
  • † Gumbelina
  • † Gymnentome
    • † Gymnentome valida
    • † Gymnentome valida brevis
  • † Gypsichnites
    • † Gypsichnites titanopelopatidus
  • Gyrodes
    • † Gyrodes abyssinus
    • † Gyrodes americanus
    • † Gyrodes major
    • † Gyrodes petrosus
    • † Gyrodes rotundus
    • † Gyrodes spillmani
    • † Gyrodes subcarinatus
    • † Gyrodes supraplicatus
    • † Gyrodes tramitensis
  • † Gyronchus
    • † Gyronchus dumblei
  • † Gyrostrea
    • † Gyrostrea cortex

H
  • Shell of Haminoea bubble shell sea snail
    Haminoea – tentative report
    • † Haminoea simpsonensis
  • † Hamites
  • † Hamrabatis
    • † Hamrabatis weltoni – type locality for species
  • † Hamulus
    • † Hamulus huntensis
    • † Hamulus onyx
    • † Hamulus squamosus
  • † Haplostiche
    • † Haplostiche texana
  • † Haplovoluta
    • † Haplovoluta bicarinata
  • † Harduinia
    • † Harduinia bexari
    • † Harduinia dalli
    • † Harduinia mortonis
  • † Helicoceras
    • † Helicoceras navarroense
  • † Helopanoplia
  • Hemiaster
    • † Hemiaster benhurensis
    • † Hemiaster bexari
    • † Hemiaster jacksoni
    • † Hemiaster sabinal – type locality for species
    • † Hemiaster texanus
    • † Hemiaster wetherbyi
  • † Hemicalypterus – tentative report
    • † Hemicalypterus weiri
  • Hemicerithium
    • † Hemicerithium insigne
    • † Hemicerithium interlineatum
  • † Hercorhynchus
    • † Hercorhynchus malleiformis
  • † Hercorhyncus
    • † Hercorhyncus coronale
    • † Hercorhyncus malleiformis
    • † Hercorhyncus mundum
    • † Hercorhyncus nodosum
    • † Hercorhyncus tippanus
    • † Hercorhyncus vadosum
  • † Heterocoenia – tentative report
    • † Heterocoenia hilli – type locality for species
    • † Heterocoenia washitaensis – type locality for species
  • Heterodontus
    • † Heterodontus granti – type locality for species
  • † Heteromorpha
    • † Heteromorpha ammonite
  • Illustration of a living Hexanchus, or sixgill shark
    Hexanchus
  • † Hillites
    • † Hillites multilirae
    • † Hillites septarianus
  • † Hindeastraea
    • † Hindeastraea discoidea
  • † Holaster
    • † Holaster simplex
  • † Holoclemensia – type locality for genus
    • † Holoclemensia texana – type locality for species
  • Fossil of the Late Cretaceous lobster Hoploparia bearpawensis
    Homarus
    • † Homarus brittonetris
    • † Homarus davisi
    • † Homarus travisensis
  • † Homoeosolen
  • † Homomya
    • † Homomya thrusheri – tentative report
  • † Hoplochelys
  • † Hoploscaphites
    • † Hoploscaphites pumilis
  • † Huetamia
    • † Huetamia buitronae
  • Life restoration of two of the Permian-Late Cretaceous cartilaginous fish Hybodus
    --> † Hybodus
    • † Hybodus brevicostatus – or unidentified comparable form
    • † Hybodus butleri – type locality for species
  • † Hydnophora – tentative report
    • † Hydnophora styriaca – type locality for species
  • † Hydrotribulus
    • † Hydrotribulus asper
  • † Hylaeobatis – or unidentified comparable form
    • † Hylaeobatis ornata
  • † Hypacanthoplites
    • † Hypacanthoplites bakeri
    • † Hypacanthoplites chihuahuaensis
    • † Hypacanthoplites cragini
    • † Hypacanthoplites quitmanensis
    • † Hypacanthoplites rugosus
    • † Hypacanthoplites sellardsi
    • † Hypacanthoplites umbilicostatus
  • † Hypolophus
    • † Hypolophus mcnultyi – type locality for species
  • † Hypophylloceras
    • † Hypophylloceras tanit – or unidentified comparable form
  • † Hypoturrilites
    • † Hypoturrilites youngi

I
  • † Ichthyodectes
  • Restoration of the Late Cretaceous toothed bird Ichthyornis
    † Ichthyornis
    • † Ichthyornis dispar
  • † Idoceras
    • † Idoceras clarki
    • † Idoceras schucherti
  • † Iguanodon – or unidentified comparable form
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    † Inoceramus
    • † Inoceramus anomalus – or unidentified comparable form
    • † Inoceramus arnoldi
    • † Inoceramus arvanus
    • † Inoceramus balticus
    • † Inoceramus biconstrictus
    • † Inoceramus cordiformis – or unidentified comparable form
    • † Inoceramus cummingsi
    • † Inoceramus deformis
    • † Inoceramus dimidius
    • † Inoceramus eulessanus
    • † Inoceramus fragilis
    • † Inoceramus prefragilis
    • † Inoceramus vanuxemi – tentative report
  • † Irenesauripus
    • † Irenesauripus glenrosensis
  • † Isastrea
    • † Isastrea whitneyi – type locality for species
  • † Ischyrhiza
    • † Ischyrhiza avonicola
    • † Ischyrhiza mira
    • † Ischyrhiza monasterica – type locality for species
  • † Isomicraster
    • † Isomicraster danei
    • † Isomicraster rossi – type locality for species

J
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
    † Jeletzkytes
    • † Jeletzkytes brevis
  • Juliacorbula
    • † Juliacorbula linteroidea
    • † Juliacorbula monmouthensis

K
  • † Kamerunoceras
    • † Kamerunoceras calvertense
    • † Kamerunoceras eschii – or unidentified comparable form
  • † Kasanskyella
    • † Kasanskyella cuchillensis – tentative report
    • † Kasanskyella fosteri
    • † Kasanskyella spathi
    • † Kasanskyella whitneyi – tentative report
  • † Kazanskyella
    • † Kazanskyella cuchillense
    • † Kazanskyella fosteri
    • † Kazanskyella minima
    • † Kazanskyella trinitensis
    • † Kazanskyella whitneyi
  • † Kermackia – type locality for genus
    • † Kermackia texana – type locality for species
  • † Kimbleia
    • † Kimbleia albrittoni
    • † Kimbleia capacis
  • † Koskinonodon – type locality for genus
    • † Koskinonodon perfectus – type locality for species
  • Life restoration of the Late Cretaceous duck-billed dinosaur Kritosaurus
    † Kritosaurus

L
  • † Laevigyra
    • † Laevigyra dhondtae
  • † Lamellaerhynchia
    • † Lamellaerhynchia indi – type locality for species
    • † Lamellaerhynchia viae – type locality for species
  • A modern Lamna mackerel shark
    Lamna
    • † Lamna sulcata – or unidentified related form
  • † Lanieria
    • † Lanieria uvaldana – type locality for species
  • † Lasalichthys
    • † Lasalichthys hillsi
  • Laternula
    • † Laternula bartoni
    • † Laternula johnsonana
    • † Laternula robusta
    • † Laternula sublevis
    • † Laternula sulcatina
    • † Laternula tofana
    • † Laternula virgata
  • † Latiala
    • † Latiala lobata
  • † Latiastrea
    • † Latiastrea whitneyi
  • Shells in multiple views of Latiaxis coral sea snails
    Latiaxis
  • † Latiscopus – type locality for genus
    • † Latiscopus disjunctus – type locality for species
  • † Laxispira
    • † Laxispira lumbricalis
    • † Laxispira monilifera
  • † Legumen
    • † Legumen ellipticum
    • † Legumen ligula
  • Lenticulina
    • † Lenticulina cyprina
    • † Lenticulina gaultina
  • † Lepidotes
  • Lepisosteus
  • † Leptarbacia
    • † Leptarbacia argutus
  • Leptomaria
    • † Leptomaria austinensis
    • † Leptomaria robusta
Fossilized foot bones of the Late Cretaceous oviraptorosaur Leptorhynchos

† Leptorhynchos – type locality for genus

  • † Leptosolen
    • † Leptosolen angustus
    • † Leptosolen biplicata
    • † Leptosolen levis
    • † Leptosolen linguliformis
    • † Leptosolen quadrilaterus
    • † Leptosolen quadriliratus
  • † Leptostyrax
    • † Leptostyrax bicuspidatus
    • † Leptostyrax macrorhiza
  • Fossilized skull of the Late Triassic phytosaur Leptosuchus
    † Leptosuchus
    • † Leptosuchus crosbiensis – type locality for species
    • † Leptosuchus imperfecta – type locality for species
    • † Leptosuchus studeri – type locality for species
  • † Levicerithium
    • † Levicerithium altum
    • † Levicerithium basicostae
    • † Levicerithium breviforme
    • † Levicerithium microlirae – tentative report
    • † Levicerithium planum
    • † Levicerithium timberanum
  • † Lewesiceras
  • † Lewyites
    • † Lewyites clinensis
  • † Leyvachelys
    • † Leyvachelys cipadi
  • † Libognathus – type locality for genus
    • † Libognathus sheddi – type locality for species
  • Life restoration of the Late Cretaceous plesiosaur Libonectes with an anachronistic scuba diver to scale
    † Libonectes
    • † Libonectes morgani – type locality for species
  • Lima
    • † Lima acutilineata texana
    • † Lima coahuilensis
    • † Lima cokei
    • † Lima deatsvillensis
    • † Lima generosa
    • † Lima geronimioensis
    • † Lima geronimoensis
    • † Lima guadalupensis
    • † Lima pelagica
    • † Lima wacoensis
  • Limatula
    • † Limatula acutilineata
  • Limea
    • † Limea reticulata
  • Limopsis
    • † Limopsis meeki
  • † Linearia
    • † Linearia crebelli
  • † Linearis
    • † Linearis concentrica
    • † Linearis metastriata
    • † Linearis navarroana
    • † Linearis pectinis
    • † Linearis wieserae
  • Lingula
    • † Lingula subspatulata
  • † Linter
    • † Linter acutata
  • † Linthia
    • † Linthia variabilis
  • A modern Linuparus spiny lobster
    Linuparus
    • † Linuparus adkinsi
    • † Linuparus grimmeri
    • † Linuparus watkinsi
  • † Lioestheria – tentative report
  • † Liopeplum
    • † Liopeplum cretaceum
    • † Liopeplum eiodermum
    • † Liopeplum leioderma
    • † Liopeplum leioderma breve
    • † Liopeplum leioderma longum
    • † Liopeplum leioderma tabulatum
    • † Liopeplum rugosum
  • † Liopistha
    • † Liopistha alternata
    • † Liopistha formosa
    • † Liopistha protexta
  • † Liothyris
    • † Liothyris carolinensis – or unidentified comparable form
    • † Liothyris navarroana
  • Liquidambar – tentative report
  • † Lirosoma
    • † Lirosoma cretacea
  • † Lispodesthes
    • † Lispodesthes lirata
    • † Lispodesthes panda
    • † Lispodesthes patula
  • † Lissodus
    • † Lissodus babulski – or unidentified related form
  • Lithacoceras
    † Lithacoceras
    • † Lithacoceras malonianum
  • Lithophaga
  • † Lomirosa
    • † Lomirosa cretacea
  • † Lonchidion
    • † Lonchidion anitae – type locality for species
    • † Lonchidion humblei – type locality for species
    • † Lonchidion selachos
  • † Longoconcha
    • † Longoconcha dalli
    • † Longoconcha navarroensis
  • Mounted fossilized skeleton of the Late Triassic aetosaur Longosuchus
    † Longosuchus
    • † Longosuchus meadei – type locality for species
    • † Longosuchus meadi
  • Lopha
    • † Lopha falcata
    • † Lopha mesenterica
    • † Lopha subovata
  • † Loriolia
    • † Loriolia rosana
  • † Lowenstamia
    • † Lowenstamia subplanus – or unidentified comparable form
  • † Loxostomoides
    • † Loxostomoides cushmani
  • † Lucasuchus – type locality for genus
    • † Lucasuchus hunti – type locality for species
  • Lucina
    • † Lucina aspera
    • † Lucina chatfieldana
    • † Lucina dentonana
    • † Lucina glebula
    • † Lucina oleodorsum
    • † Lucina potosina
    • † Lucina seminolis
  • † Luisogalathea
    • † Luisogalathea cretacea
  • † Lupira
    • † Lupira pyriformis
  • † Lutema
    • † Lutema geniculata
    • † Lutema hubbardi
    • † Lutema munda
    • † Lutema simpsonensis
  • † Lycettia
    • † Lycettia tippana
    • † Lycettia tippanus
  • † Lyriochlamys – tentative report

M
  • † Macraster
    • † Macraster arguilera
    • † Macraster elegans
    • † Macraster nodopyda
  • † Macrepistius
  • † Macrocerithium
    • † Macrocerithium tramitense
  • † Macromesodon
    • † Macromesodon dumblei
  • † Magadiceramus
    • † Magadiceramus complicatus
    • † Magadiceramus crenelatus
    • † Magadiceramus crenistriatus – or unidentified comparable form
    • † Magadiceramus subquadratus
  • † Magnoavipes – type locality for genus
    • † Magnoavipes lowei – type locality for species
  • Life restoration of the Late Triassic reptile Malerisaurus
    † Malerisaurus
  • Malletia
    • † Malletia littlei
    • † Malletia longfrons
    • † Malletia longifrons
    • † Malletia stephensoni
  • † Mammites
    • † Mammites powelli – type locality for species
  • † Mantelliceras
    • † Mantelliceras cantianum
    • † Mantelliceras martimpreyi – or unidentified comparable form
    • † Mantelliceras saxbii
  • † Margaritella
    • † Margaritella pumila
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Mariella
    † Mariella
    • † Mariella bosquensis
    • † Mariella brazoensis
    • † Mariella camachoensis
    • † Mariella cenomanensis – or unidentified comparable form
    • † Mariella davisense
    • † Mariella rhacioformis
    • † Mariella wysogorskii
  • † Mataxa
    • † Mataxa subteres
    • † Mataxa valida
    • † Mataxa valida multilirae
  • † Mathilda
    • † Mathilda cedarensis
    • † Mathilda corona
  • † Meandraraea
    • † Meandraraea plummeri – type locality for species
    • † Meandraraea tulae – or unidentified comparable form
  • † Medionapus
    • † Medionapus elongatus
  • Megalomphalus – or unidentified comparable form
  • † Megalosauropus – tentative report
    • † Megalosauropus titanopelobatidus – type locality for species
  • Melanatria
    • † Melanatria venusta
  • † Melicertites
  • Membranipora
  • Membraniporidra
  • † Menabites
    • † Menabites austinensis
    • † Menabites danei
    • † Menabites delawarensis
    • † Menabites vanuxemi
  • Fossilized skull of the Late Cretaceous multituberculate mammal Meniscoessus
    † Meniscoessus
  • † Menuites
  • Mesalia
    • † Mesalia shumardi
  • † Mesodma
  • † Mesomorpha
    • † Mesomorpha excavata
    • † Mesomorpha vaughani – type locality for species
  • † Metengonoceras
    • † Metengonoceras acutum
    • † Metengonoceras ambiguum
    • † Metengonoceras bravoense
    • † Metengonoceras dumbli
    • † Metengonoceras inscriptum
  • † Metoicoceras
    • † Metoicoceras crassicostae
    • † Metoicoceras geslinianum
    • † Metoicoceras latoventer
    • † Metoicoceras swallovi
    • † Metoicoceras swallovii
    • † Metoicoceras swallovii macrum
  • Life restoration of the Late Triassic amphibian Metoposaurus with an anachronistic human to scale
    † Metoposaurus
    • † Metoposaurus bakeri – type locality for species
    • † Metoposaurus fraasi
    • † Metoposaurus jonesi – type locality for species
    • † Metoposaurus perfecta
  • † Mexicaprina
    • † Mexicaprina cornuta
  • † Micrabacia
    • † Micrabacia marylandica
    • † Micrabacia radiata – type locality for species
  • † Micraster
    • † Micraster americanus
    • † Micraster uddeni – type locality for species
  • † Microsolena
    • † Microsolena texana – type locality for species
  • † Microsulcatoceras
    • † Microsulcatoceras texanum – type locality for species
  • † Miocardiopsis
    • † Miocardiopsis hendersoni
    • † Miocardiopsis shumardi
  • Fossilized shell of the Devonian-modern marine bivalve Modiolus, or horsemussel
    † Modiolus
    • † Modiolus sedesclaris
    • † Modiolus sedesclarus
    • † Modiolus sedisclarus
  • Monodonta – tentative report
    • † Monodonta cancellosa
  • † Monopleura – tentative report
  • † Monroea
    • † Monroea castellana
  • Montastrea
    • † Montastrea comalensis
    • † Montastrea edwardsensis – type locality for species
    • † Montastrea pecosensis – type locality for species
    • † Montastrea roemeriana – type locality for species
    • † Montastrea texana
    • † Montastrea travisensis
    • † Montastrea whitneyi
  • † Morea
    • † Morea cancellaria
    • † Morea cancellaria corsicanensis
    • † Morea cancellaria crassa
    • † Morea marylandica
    • † Morea marylandica bella
    • † Morea marylandica languida
    • † Morea transenna
  • † Moremanoceras
    • † Moremanoceras elgini
    • † Moremanoceras flexuosum – type locality for species
  • † Morphastrea
    • † Morphastrea barcenai – or unidentified comparable form
  • † Mortoniceras
    • † Mortoniceras austinensis
    • † Mortoniceras drakei
    • † Mortoniceras maxima
    • † Mortoniceras minima
    • † Mortoniceras perinflatum
    • † Mortoniceras rostratum
    • † Mortoniceras wintoni
  • Life restoration of two of the Late Cretaceous Mosasaurus
    † Mosasaurus
    • † Mosasaurus maximus
    • † Mosasaurus missouriensis – tentative report
  • † Muensterella[5]
    • †Muensterella jillae – type locality for species[5]
  • † Myobarbum
    • † Myobarbum laevigatum
  • † Myriophyllia – tentative report
    • † Myriophyllia dumblei – type locality for species
  • Myrtea
    • † Myrtea stephensoni
  • † Mytiloides
    • † Mytiloides columbianus
  • † Mytilus

N
  • † Naomichelys
  • † Napulus
    • † Napulus octoliratus
    • † Napulus tuberculatus
  • Multiple views of a fossilized shell belonging to a Natica moon snail
    Natica
    • † Natica dorothiensis
    • † Natica humilis
    • † Natica rivulana
    • † Natica striaticostata
  • Nebrius
  • † Neithea
    • † Neithea bexarensis
    • † Neithea quinquecostata
  • † Nelltia
    • † Nelltia stenzeli
  • † Nemocardium
    • † Nemocardium fragile
    • † Nemocardium guadalupense
    • † Nemocardium marcosensis
    • † Nemocardium tenue
  • † Nemodon
    • † Nemodon adkinsi
    • † Nemodon bowiei
    • † Nemodon eufalensis
    • † Nemodon eufaulensis
    • † Nemodon eufaulensis lineatus
    • † Nemodon grandis
    • † Nemodon grandis navarroanus
    • † Nemodon martindalensis
    • † Nemodon navarroanus
    • † Nemodon punctus
  • † Neobrites
    • † Neobrites nodocostatus
  • † Neocardioceras
    • † Neocardioceras juddii
  • † Neodeshayesites
    • † Neodeshayesites comalensis
    • † Neodeshayesites mayfieldensis
  • † Neogauthiericeras
    • † Neogauthiericeras zafimahovai
  • Opalized guard of the belemnoid cephalopod Neohibolites
    † Neohibolites
  • † Neophlycticeras
    • † Neophlycticeras archerae – type locality for species
    • † Neophlycticeras blancheti – or unidentified comparable form
    • † Neophlycticeras fascicostatum – type locality for species
    • † Neophlycticeras roemeri
    • † Neophlycticeras texanum
  • † Neoptychites
  • † Nerinea – tentative report
  • Nerita
    • † Nerita ornata
    • † Nerita semilevis
  • Living Neritina or nerite snails
    Neritina
    • † Neritina ambrosana
    • † Neritina insolita
  • Nodosaria
    • † Nodosaria barkeri
  • † Nonactaeonina
    • † Nonactaeonina deflexa
    • † Nonactaeonina graphoides
    • † Nonactaeonina tensa
    • † Nonactaeonina triticea
  • † Nonaphalagodus – type locality for genus
    • † Nonaphalagodus trinitiensis – type locality for species
  • Restoration of several species of the Late Cretaceous ammonoid cephalopod Nostoceras
    † Nostoceras
    • † Nostoceras approximans
    • † Nostoceras colubriformis
    • † Nostoceras draconsis
    • † Nostoceras helicinum crassum
    • † Nostoceras helicinum humile
    • † Nostoceras helicinus
    • † Nostoceras hyatti
    • † Nostoceras splendidum
    • † Nostoceras stantoni aberrans
    • † Nostoceras stantoni prematurum
  • † Notodonax
  • † Notopoides – tentative report
    • † Notopoides pflugervillensis – type locality for species
  • † Nucleopygus
    • † Nucleopygus texanus
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • † Nucula camia
    • † Nucula chatfieldensis
    • † Nucula chatsfieldensis
    • † Nucula ciboloensis
    • † Nucula cuneifrons
    • † Nucula microstriata
    • † Nucula nacatochana
    • † Nucula percrassa
    • † Nucula perequalis
    • † Nucula rivulana
    • † Nucula stantoni
    • † Nucula waltonensis
  • Nuculana
    • † Nuculana coloradoensis
    • † Nuculana corbetensis
    • † Nuculana corsicana
    • † Nuculana houstoni
    • † Nuculana mutuata
    • † Nuculana protexta
    • † Nuculana rostratruncata
    • † Nuculana travisana
    • † Nuculana whitfieldi
  • † Nudivagus – tentative report
  • † Nymphalucina
    • † Nymphalucina linearia
    • † Nymphalucina parva
  • † Nyssa

O
  • † Odaxosaurus
    • † Odaxosaurus piger
  • A living Odontaspis sand shark
    Odontaspis
    • † Odontaspis aculeatus
  • † Ogilviastraea – tentative report
    • † Ogilviastraea richardsi – type locality for species
  • † Oklatheridium
    • † Oklatheridium minax
    • † Oklatheridium szalayi
  • † Oligoptycha
    • † Oligoptycha americana – tentative report
  • † Onchopristis
    • † Onchopristis dunklei
  • Fossilized vertebrae of the Cretaceous sawfish Onchosaurus
    † Onchosaurus
  • † Opertochasma
    • † Opertochasma scaphoides
    • † Opertochasma subconicum
    • † Opertochasma venustum
  • † Ophiomorpha
  • † Ophiopsis – tentative report
  • Ophiura
    • † Ophiura graysonensis
    • † Ophiura texana
    • † Ophiura travisana – type locality for species
  • † Opis
    • † Opis elevata – tentative report
  • Life restoration of the Late Cretaceous ostrich dinosaur Ornithomimus
    † Ornithomimus
  • † Ornopsis
    • † Ornopsis digressa
    • † Ornopsis maxeyi
    • † Ornopsis pulchra
    • † Ornopsis solistella
  • † Ostlingoceras
    • † Ostlingoceras brandi
  • Shell of an Ostrea, or oyster
    Ostrea
    • † Ostrea alternans
    • † Ostrea bella
    • † Ostrea beloiti
    • † Ostrea carica
    • † Ostrea carinata – or unidentified related form
    • † Ostrea crenulimargo
    • † Ostrea leveretti
    • † Ostrea lugubris
    • † Ostrea owenana
    • † Ostrea panda
    • † Ostrea rubradiata
    • † Ostrea soleniscus
    • † Ostrea subovata
    • † Ostrea subradiata
  • † Otischalkia – type locality for genus
    • † Otischalkia elderae – type locality for species
  • † Ovalastrea – type locality for genus
    • † Ovalastrea fredericksburgensis – type locality for species
    • † Ovalastrea pecosensis – type locality for species
  • † Oxyrhina
    • † Oxyrhina extenta
  • † Oxytropidoceras
    • † Oxytropidoceras acuticarinatum
    • † Oxytropidoceras acutocarinatum
    • † Oxytropidoceras bravoensis
    • † Oxytropidoceras carbonarium
    • † Oxytropidoceras diazi
    • † Oxytropidoceras moorei
    • † Oxytropidoceras multifidum
    • † Oxytropidoceras pandalense – or unidentified comparable form
    • † Oxytropidoceras powelli
    • † Oxytropidoceras salasi
    • † Oxytropidoceras stenzeli
    • † Oxytropidoceras supani
    • † Oxytropidoceras texanum
    • † Oxytropidoceras uddeni

P
  • † Pachycheilosuchus – type locality for genus
    • † Pachycheilosuchus trinquei – type locality for species
  • † Pachydesmoceras
  • † Pachydiscus
    • † Pachydiscus arkansanus
    • † Pachydiscus paulsoni
    • † Pachydiscus scotti
    • † Pachydiscus travisi
  • Restorative portrait of the Early Jurassic synapsid (mammal precursor) Pachygenelus
    † Pachygenelus
    • † Pachygenelus milleri – type locality for species
  • † Pachymelania
  • † Pachymya
  • Pagurus
    • † Pagurus travisensis
  • † Paladmete
    • † Paladmete alta
    • † Paladmete cancellaria
    • † Paladmete cancelleria
    • † Paladmete corbuliformis
    • † Paladmete elegans
    • † Paladmete gardnerae
    • † Paladmete inequalis
  • Fossilized skeleton of the Early Cretaceous-Eocene bony fish Palaeobalistum
    † Palaeobalistum
    • † Palaeobalistum geiseri – type locality for species
    • † Palaeobalistum rectidens – type locality for species
  • † Palaeoctonus
    • † Palaeoctonus dumblianus – type locality for species
    • † Palaeoctonus orthodon – type locality for species
  • † Palaeocypraea
    • † Palaeocypraea corsicanana
    • † Palaeocypraea nuciformis
  • † Palaeogaleus
    • † Palaeogaleus navarroensis – type locality for species
  • † Paleollanosaurus – type locality for genus
    • † Paleollanosaurus fraseri – type locality for species
  • † Paleomolops
    • † Paleomolops langstoni – type locality for species
  • † Paleopsephaea
    • † Paleopsephaea decorosa
    • † Paleopsephaea patens
    • † Paleopsephaea sinuosa
    • † Paleopsephaea vadoana
  • Life restoration of the Late Triassic phytosaur Paleorhinus
    † Paleorhinus
    • † Paleorhinus sawini – type locality for species
  • † Paluxysuchus – type locality for genus
    • † Paluxysuchus newmani – type locality for species
  • † Panis
    • † Panis cuneiformis
  • Panopea
    • † Panopea anacachoensis – type locality for species
    • † Panopea subplicata
  • † Pantojaloria
    • † Pantojaloria sphaerica
  • † Pappotherium – type locality for genus
    • † Pappotherium pattersoni – type locality for species
  • † Paracimexomys
  • Paracyprideis
    • † Paracyprideis graysonensis
  • Paracypris
    • † Paracypris alta
  • † Parafusus – tentative report
  • † Parahoplites
    • † Parahoplites thomasi
    • † Parahoplites wintoni
  • † Paraisurus
    • † Paraisurus compressus
  • † Paramicrodon – type locality for genus
    • † Paramicrodon estesi – type locality for species
  • † Parandiceras
    • † Parandiceras indicum – or unidentified comparable form
  • † Paranecrocarcinus
    • † Paranecrocarcinus moseleyi
  • † Paranecrocarinus
    • † Paranecrocarinus ovalis
  • † Paranomia
    • † Paranomia scabra
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size
    † Parapuzosia
    • † Parapuzosia americana – type locality for species
    • † Parapuzosia bosei – type locality for species
    • † Parapuzosia sealei – type locality for species
  • † Parasaniwa – or unidentified comparable form
    • † Parasaniwa wyomingensis
  • Parasmilia
    • † Parasmilia austinensis
    • † Parasmilia bullardi – type locality for species
    • † Parasmilia graysonensis – type locality for species
  • † Parasuchus
    • † Parasuchus bransoni
  • Mounted fossilized skeleton of the Late Triassic aetosaur Paratypothorax
    † Paratypothorax
  • † Paraxiopsis
    • † Paraxiopsis erugatus
  • † Parengonoceras
    • † Parengonoceras roemeri
  • † Parmicorbula
    • † Parmicorbula corneliana
    • † Parmicorbula hillensis
    • † Parmicorbula numerosa
    • † Parmicorbula rupana
    • † Parmicorbula sinuosa
    • † Parmicorbula suffalciata
    • † Parmicorbula terramaria
    • † Parmicorbula vokesi
  • † Paronychodon
    • † Paronychodon lacustris – or unidentified comparable form
  • Parvamussium
    • † Parvamussium danei
  • † Parvivoluta – tentative report
  • Patellina
    • † Patellina subcretacea
  • Fossilized skull in multiple views of the Early Cretaceous armored dinosaur Pawpawsaurus
    † Pawpawsaurus – type locality for genus
    • † Pawpawsaurus campbelli – type locality for species
  • † Pecten
    • † Pecten bellula
    • † Pecten bellulus
    • † Pecten catherina
    • † Pecten georgetownensis
    • † Pecten moodyi
    • † Pecten subalpinus
    • † Pecten texanus
    • † Pecten venustus
    • † Pecten wrighti
  • † Pedinopsis
    • † Pedinopsis pondi
  • † Peilinia
    • † Peilinia quadriplicata
  • † Pekinosaurus – or unidentified related form
    • † Pekinosaurus olseni
  • † Peneteius
  • Periploma
    • † Periploma edwardsi
  • † Periplomya
    • † Periplomya sulcatina
  • Perna – report made of unidentified related form or using admittedly obsolete nomenclature
    • † Perna texana
  • † Perrisonota
    • † Perrisonota littlei
    • † Perrisonota protexta
  • Petrophyllia
  • † Phacellocoenia – tentative report
    • † Phacellocoenia tolmachoffana – type locality for species
  • Phacoides
    • † Phacoides mattiformis
  • † Pharodina
    • † Pharodina ferrana
  • † Phelopteria
    • † Phelopteria dalli
    • † Phelopteria linguaeformis
    • † Phelopteria timberensis
  • Pholadidea
    • † Pholadidea ragsdalensis
  • Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
    Pholadomya
    • † Pholadomya coahuilensis
    • † Pholadomya goldenensis
    • † Pholadomya ingens
    • † Pholadomya littlei
    • † Pholadomya occidentalis
    • † Pholadomya shattucki
  • Pholas
    • † Pholas scaphoides
  • † Phyllobrissus
    • † Phyllobrissus cubensis
  • Phymosoma
    † Phymosoma
    • † Phymosoma hilli
  • † Phytosaurus
  • † Piestochilus
    • † Piestochilus curviliratus
    • † Piestochilus levis
  • † Pinella
    • † Pinella reticulata
  • † Pinna
    • † Pinna laqueata
  • † Pirsila
    • † Pirsila decora
    • † Pirsila simpla
    • † Pirsila tensa
  • Pitar
    • † Pitar yoakumi
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras
    † Placenticeras
  • Placopsilina
    • † Placopsilina minima
  • † Placotrochus
    • † Placotrochus texanus
  • Plagioecia
  • † Planocephalosaurus
    • † Planocephalosaurus lucasi – type locality for species
  • Planulina
    • † Planulina eaglefordensis
  • Restoration of the Late Cretaceous mosasaur Platecarpus
    † Platecarpus
    • † Platecarpus planifrons
    • † Platecarpus somenensis – or unidentified comparable form
    • † Platecarpus tympaniticus
  • † Platiknemiceras
    • † Platiknemiceras flexuosum
  • † Platyceramus
    • † Platyceramus cycloides
    • † Platyceramus mantelli - or unidentified loosely related form
  • Life restoration of the Early-Late Cretaceous ichthyosaur Platypterygius
    † Platypterygius
  • † Plesiacanthoceras
    • † Plesiacanthoceras bellsanum
  • † Plesiosaurus
  • † Pleuriocardia
    • † Pleuriocardia eufaulense
    • † Pleuriocardia eufaulensis huntanum
  • † Pleurocora
    • † Pleurocora coalescens
  • † Pleuromya
    • † Pleuromya inconstans
  • † Pleurosmilia
    • † Pleurosmilia quaylei – type locality for species
    • † Pleurosmilia saxifisi – type locality for species
  • Fossilized shell of a Pleurotomaria slit snail
    Pleurotomaria
    • † Pleurotomaria macilenta
  • † Plicatolamna – or unidentified comparable form
    • † Plicatolamna arcuata
  • † Plicatoscyllium – type locality for genus
    • † Plicatoscyllium antiquum – type locality for species
    • † Plicatoscyllium derameei – type locality for species
  • Plicatula
    • † Plicatula clarki
    • † Plicatula dentonensis
    • † Plicatula goldenana
    • † Plicatula incongrua
    • † Plicatula mullicaensis
    • † Plicatula tetrica
  • † Plioaxius
    • † Plioaxius texensis
  • Life restoration of the Late Cretaceous mosasaur Plioplatecarpus
    † Plioplatecarpus – tentative report
  • † Poecilocrinus
    • † Poecilocrinus dispandus
  • Polinices
    • † Polinices kummeli
    • † Polinices stephensoni
  • † Pollex
    • † Pollex angulatus
    • † Pollex obesus
  • † Polyacrodus
    • † Polyacrodus parvidens – or unidentified related form
  • † Polyptychodon
    • † Polyptychodon hudsoni – type locality for species
  • † Polytremacis
    • † Polytremacis hancockensis – type locality for species
    • † Polytremacis urgonensis
  • † Pontocyprella
    • † Pontocyprella alexanderi
  • † Poposaurus
    • † Poposaurus gracilis
    • † Poposaurus langstoni
  • † Porituberoolithus
  • † Postligata
  • Restoration of the Late Triassic crocodile relative Postosuchus with an anachronistic human to scale
    † Postosuchus – type locality for genus
    • † Postosuchus kirkpatricki – type locality for species
  • † Praeleda
    • † Praeleda compar
  • † Prionocyclites
    • † Prionocyclites mite
  • † Prionocyclus
    • † Prionocyclus albinus
    • † Prionocyclus hyatti
    • † Prionocyclus macombi
    • † Prionocyclus wyomingensis
  • † Priontropis
    • † Priontropis woolgari – or unidentified related form
  • † Priscomactra
    • † Priscomactra cymba
    • † Priscomactra munda
  • † Procardia
    • † Procardia torta
  • † Procheloniceras
    • † Procheloniceras albrechtiaustriae – or unidentified related form
  • Life restoration of the Late Cretaceous mosasaur Prognathodon preying upon an ammonoid cephalopod
    † Prognathodon – tentative report
  • † Promystriosuchus – type locality for genus
    • † Promystriosuchus ehleri – type locality for species
  • † Proraster
    • † Proraster dalli
  • † Proscincetes
    • † Proscincetes texanus
  • † Prosiren – type locality for genus
    • † Prosiren elinorae – type locality for species
  • † Protarca
    • † Protarca tramitensis
  • † Protecovasaurus – type locality for genus
    • † Protecovasaurus lucasi – type locality for species
  • † Protexanites
    • † Protexanites planatus
  • † Protoavis – type locality for genus
    • † Protoavis texensis – type locality for species
  • † Protocallianassa
    • † Protocallianassa pleuralum – type locality for species
  • † Protocardia
    • † Protocardia guadalupense
    • † Protocardia hillana
    • † Protocardia marcosensis
    • † Protocardia spillmani
    • † Protocardia texana
    • † Protocardia timberensis
    • † Protocardia torta
    • † Protocardia wadei
  • † Protodonax
    • † Protodonax lingulatus
    • † Protodonax lingulatus tensus
    • † Protodonax robustus
  • † Protohadros – type locality for genus
    • † Protohadros byrdi – type locality for species
  • † Protoplatyrhina
    • † Protoplatyrhina renae
  • Life restoration of the Late Cretaceous bony fish Protosphyraena
    † Protosphyraena
  • † Proxestops
  • † Pseudananchys
    • † Pseudananchys stephensoni – type locality for species
  • † Pseudaspidoceras
    • † Pseudaspidoceras flexuosum
  • † Pseudocalycoceras
    • † Pseudocalycoceras angolaense
  • † Pseudoclavulina
    • † Pseudoclavulina clavata
  • † Pseudocoeniopsis – tentative report
    • † Pseudocoeniopsis wintoni – type locality for species
  • Fossilized teeth of the Cretaceous shark Pseudocorax
    † Pseudocorax
    • † Pseudocorax granti
  • † Pseudogaudryinella
    • † Pseudogaudryinella capitosa
  • † Pseudohypolophus
  • † Pseudolimea
    • † Pseudolimea kimbroensis
    • † Pseudolimea reticulata
    • † Pseudolimea sellardsi
  • Pseudomalaxis
    • † Pseudomalaxis patens
    • † Pseudomalaxis pateriformis
  • Fossilized shell of a Pseudomelania sea snail
    † Pseudomelania
    • † Pseudomelania basicostata
    • † Pseudomelania ferrata
    • † Pseudomelania roanokana
  • † Pseudoncrocarcinus
    • † Pseudoncrocarcinus scotti
  • † Pseudoperna
    • † Pseudoperna congesta
  • † Pseudopetalodontia
    • † Pseudopetalodontia felixi
  • † Pseudoptera
    • † Pseudoptera hornensis
    • † Pseudoptera hornesis
    • † Pseudoptera rushana
    • † Pseudoptera serrata
    • † Pseudoptera viana
  • † Psilomya
    • † Psilomya concentrica
    • † Psilomya levis
  • Life restoration of the Late Cretaceous pterosaur Pteranodon
    † Pteranodon – or unidentified comparable form
  • † Pteria
    • † Pteria linguaeformis – tentative report
    • † Pteria rhombica
  • † Pterocerella
    • † Pterocerella densatus
    • † Pterocerella densatus nacatochanus
    • † Pterocerella poinsettiformis
    • † Pterocerella robustus
  • † Pterot
    • † Pterot castrovillensis – or unidentified related form
  • Fossilized shell of the Jurassic-Cretaceous marine bivalve Pterotrigonia
    † Pterotrigonia
    • † Pterotrigonia castrovillensis
    • † Pterotrigonia eufalensis
    • † Pterotrigonia eufaulensis
    • † Pterotrigonia eufaulensis gabbi
    • † Pterotrigonia marionensis
    • † Pterotrigonia stantoni
  • † Ptychomya
    • † Ptychomya stantonii
  • † Ptychotrygon
    • † Ptychotrygon vermiculata
    • † Ptychotrygon winni – type locality for species
  • † Pugnellus
    • † Pugnellus densatus
    • † Pugnellus goldmani
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Puzosia
    † Puzosia
    • † Puzosia crebrisulcata – or unidentified comparable form
  • Pycnodonte
    • † Pycnodonte belli
    • † Pycnodonte mutabilis
    • † Pycnodonte vesicularis
  • † Pycnomicrodon
    • † Pycnomicrodon texanus
  • † Pyrgulifera
    • † Pyrgulifera costata
    • † Pyrgulifera costata sublevis
    • † Pyrgulifera costata tuberata
    • † Pyrgulifera ornata
  • † Pyrifusus
  • † Pyrina
    • † Pyrina parryi
  • † Pyropsis
    • † Pyropsis lanhami
    • † Pyropsis proxima – or unidentified related form

Q
  • † Quayia – or unidentified comparable form
    • † Quayia zideki
  • Mounted fossilized skeleton of the Late Cretaceous pterosaur Quetzalcoatlus
    † Quetzalcoatlus – type locality for genus
    • † Quetzalcoatlus northropi – type locality for species
  • † Quitmaniceras
    • † Quitmaniceras reaseri
  • † Quitmanites
    • † Quitmanites ceratitosus
    • † Quitmanites evolutus

R
  • † Rachiosoma
    • † Rachiosoma hondoensis – type locality for species
  • † Radiopecten
    • † Radiopecten mississippiensis
  • Raja
    • † Raja farishi – type locality for species
  • † Ramsetia
    • † Ramsetia whitfieldi
  • † Raninella
  • † Remera
    • † Remera decora
    • † Remera juncea
    • † Remera microstriata
  • † Remnita
    • † Remnita anomalocostata
    • † Remnita biacuminata
  • † Remondia
    • † Remondia robbinsi
  • Reophax
    • † Reophax deckeri
  • † Reptomulticava
  • † Restes
  • † Rewaconodon – or unidentified related form
    • † Rewaconodon tikiensis
  • † Rhamphidoceras – type locality for genus
    • † Rhamphidoceras saxatilis – type locality for species
  • Rhinobatos
    • † Rhinobatos craddocki – type locality for species
    • † Rhinobatos uvulatus – type locality for species
  • Restoration of the Late Cretaceous-Paleocene ray Rhombodus
    † Rhombodus
    • † Rhombodus binkhorsti
  • † Rhytidohoplites
    • † Rhytidohoplites robertsi
  • † Rhytophorus – tentative report
  • † Richardoestesia
    • † Richardoestesia gilmorei
    • † Richardoestesia isosceles – type locality for species
  • † Rileymillerus – type locality for genus
    • † Rileymillerus cosgriffi – type locality for species
  • A living Ringicula sea snail
    Ringicula
    • † Ringicula anfractoline
    • † Ringicula arlingtonensis
    • † Ringicula culbertsoni
    • † Ringicula pulchella
    • † Ringicula sufflata
  • Rogerella
    • † Rogerella cragini – type locality for species
  • † Romaniceras
    • † Romaniceras aguilerai
    • † Romaniceras zacatecana
  • Rostellaria – tentative report
    • † Rostellaria robertsi
  • † Russellosaurus – type locality for genus
    • † Russellosaurus coheni – type locality for species
  • Life restoration of the Late Triassic phytosaur Rutiodon
    † Rutiodon

S
  • Salenia
    • † Salenia hondoensis – type locality for species
  • † Sanmiguelia
  • † Sanoarca
    • † Sanoarca faucana
    • † Sanoarca grandis
  • † Sargana
    • † Sargana stantoni
  • Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale
    † Sauroposeidon
    • † Sauroposeidon proteles
  • † Saurornitholestes
    • † Saurornitholestes langstoni – or unidentified comparable form
  • † Sauvagesia – tentative report
    • † Sauvagesia hilli
  • † Saynella
    • † Saynella hilli
  • Scalpellum – tentative report
  • † Scambula
    • † Scambula perplana
  • Restoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus
    † Scapanorhynchus
    • † Scapanorhynchus texanus
    • † Scapanorhynchus textanus
  • † Scapherpeton
  • † Scaphites
    • † Scaphites bosquensis – type locality for species
    • † Scaphites brittonensis
    • † Scaphites hippocrepis - or unidentified loosely related form
    • † Scaphites rugosus
    • † Scaphites warreni
    • † Scaphites yorkensis
  • † Schizobasis
  • Scintilla – tentative report
    • † Scintilla ramoni
  • † Sciponoceras
    • † Sciponoceras gracile
  • Fossilized snout of the Late Cretaceous ray relative Sclerorhynchus
    † Sclerorhynchus
    • † Sclerorhynchus pettersi – type locality for species
  • †Scolomastax – type locality for genus[6]
    • †Scolomastax sahlsteini – type locality for species[7]
  • Scyliorhinus
    • † Scyliorhinus ivagrantae – type locality for species
  • † Selaginella – or unidentified comparable form
  • † Seminodicrescis
  • † Seminola – tentative report
  • † Semiometra
    • † Semiometra minuta
  • † Semionotus – or unidentified comparable form
  • † Senis
    • † Senis elongata
    • † Senis elongatus
  • Serpula
    • † Serpula cretacea
    • † Serpula implicata
    • † Serpula lineata
  • † Serratolamna
    • † Serratolamna serrata
  • † Sexta
    • † Sexta ethelana
    • † Sexta navicula
  • † Sharpeiceras
    • † Sharpeiceras schlueteri
    • † Sharpeiceras tlahualiloense
  • † Shuparoceras
  • Life restoration of the Late Triassic distant crocodilian relative Shuvosaurus
    † Shuvosaurus – type locality for genus
    • † Shuvosaurus inexpectatus – type locality for species
  • † Siderastrea
    • † Siderastrea tuckerae – type locality for species
  • † Siderofungia
    • † Siderofungia irregularis
  • † Sierritasuchus – type locality for genus
    • † Sierritasuchus macalpini – type locality for species
  • † Sinonia
    • † Sinonia levis
  • † Siphodictyum
  • Siphotextularia
    • † Siphotextularia washitaensis
  • Fossils of the Cambrian-modern worm burrow ichnogenus Skolithos
    † Skolithos
  • Smilotrochus
    • † Smilotrochus palmerae – type locality for species
  • † Solanocrinites
    • † Solanocrinites wertheimi
  • Solemya
    • † Solemya bilix – tentative report
  • † Solenoceras
    • † Solenoceras multicostatum
    • † Solenoceras reesidei
    • † Solenoceras texanum
  • † Solyma
    • † Solyma bilix
    • † Solyma elliptica
    • † Solyma gardnerae
    • † Solyma parva
    • † Solyma stewarti
  • † Spalacotheroides – type locality for genus
    • † Spalacotheroides bridwelli – type locality for species
  • † Spathites
    • † Spathites coahuilaensis
    • † Spathites rioensis
  • † Specus
    • † Specus fimbriatus
  • Opalized shell of the Late Cretaceous ammonoid cephalopod Sphenodiscus
    † Sphenodiscus
    • † Sphenodiscus intermedius
    • † Sphenodiscus lobatus
    • † Sphenodiscus pleurisepta
    • † Sphenodiscus tirensis
  • † Spinosuchus – type locality for genus
    • † Spinosuchus caseanus – type locality for species
  • † Spironema
    • † Spironema perryi
  • Spiroplectammina
    • † Spiroplectammina ammovitrea
    • † Spiroplectammina goodlandana
  • Spondylus
    • † Spondylus hilli
    • † Spondylus munitus
    • † Spondylus siccus – type locality for species
  • Fossilized tooth of the Late Cretaceous shark Squalicorax
    Squalicorax
    • † Squalicorax kaupi
    • † Squalicorax pristodontus
  • Squalus
    • † Squalus huntensis – type locality for species
  • † Squatigaleus
    • † Squatigaleus sulphurensis – type locality for species
  • † Squatirhina
    • † Squatirhina americana
  • † Stamenocella
  • † Stantonella
    • † Stantonella interrupta
  • † Stearnsia
    • † Stearnsia robbinsi
  • † Stelidioseris
    • † Stelidioseris bellensis – type locality for species
    • † Stelidioseris pattoni – type locality for species
    • † Stelidioseris whitneyi – type locality for species
  • † Stellatopollis
  • † Steorrosia
    • † Steorrosia aspera
  • Stephanocoenia – tentative report
  • † Stephanomorpha – tentative report
    • † Stephanomorpha saxirotundi – type locality for species
  • † Stoliczkaia
    • † Stoliczkaia argonautiformis
    • † Stoliczkaia conlini – type locality for species
    • † Stoliczkaia crotaloides
    • † Stoliczkaia scotti
    • † Stoliczkaia texana – type locality for species
  • Stomatopora
  • † Stomohamites – tentative report
  • Striarca
    • † Striarca cuneata
    • † Striarca plummeri
    • † Striarca saffordi
    • † Striarca webbervillensis
  • † Striaticostatum
    • † Striaticostatum bexarense
    • † Striaticostatum pondi
    • † Striaticostatum sparsum
  • Life restoration of the Late Cretaceous ostrich dinosaur Struthiomimus
    † Struthiomimus – or unidentified comparable form
  • † Suarodon
  • † Sumitomoceras
    • † Sumitomoceras bentonianum
  • † Syncyclonema
    • † Syncyclonema archeri
    • † Syncyclonema kingi
    • † Syncyclonema simplicius
    • † Syncyclonema travisanus
  • † Synorichthys – tentative report
    • † Synorichthys stewarti

T
  • † Tancredia – tentative report
  • † Tanyosphaeridium
    • † Tanyosphaeridium salpinx
  • † Tarrantites
    • † Tarrantites adkinsi
  • † Tarrantoceras
    • † Tarrantoceras cuspidum
    • † Tarrantoceras sellardsi
  • † Tarsomordeo – type locality for genus[8]
    • † Tarsomordeo winkleri – type locality for species[9]
  • † Technosaurus – type locality for genus
    • † Technosaurus smalli – type locality for species
  • † Tecovasaurus – type locality for genus
    • † Tecovasaurus murryi – type locality for species
  • † Tecovasuchus – type locality for genus
    • † Tecovasuchus chatterjeei – type locality for species
  • Teinostoma
  • Shell of a Tellina, or tellin
    Tellina
    • † Tellina duganensis
    • † Tellina dugansensis
    • † Tellina munda
    • † Tellina parkerana
    • † Tellina patula
    • † Tellina rivana
    • † Tellina stabulana
  • † Tellinimera
    • † Tellinimera buboana
    • † Tellinimera gabbi
    • † Tellinimera munda
  • † Tenea
    • † Tenea parilis
    • † Tenea patula
  • Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
    † Tenontosaurus
    • † Tenontosaurus dossi – type locality for species
  • † Tentontosaurus
  • † Tenuipteria
    • † Tenuipteria argentea
    • † Tenuipteria argenteus
  • Terebratulina
    • † Terebratulina filosa
    • † Terebratulina noackensis
  • † Terebrimya
    • † Terebrimya lamarana
  • Teredolites
  • † Terlinguachelys – type locality for genus
    • † Terlinguachelys fischbecki – type locality for species
  • Fossilized skull of the Late Cretaceous crocodilian relative Terminonaris
    † Terminonaris
    • † Terminonaris robusta – or unidentified comparable form
  • † Tetragonites
    • † Tetragonites brazoensis – type locality for species
  • † Texabatis – type locality for genus
    • † Texabatis corrugata – type locality for species
  • † Texacephale – type locality for genus
    • † Texacephale langstoni – type locality for species
  • † Texagryphea
  • † Texanites
    • † Texanites dentatocarinatum
    • † Texanites gallicus
    • † Texanites vanhoepeni
  • † Texasetes – type locality for genus
    • † Texasetes pleurohalio – type locality for species
  • † Texasia
    • † Texasia dartoni
  • † Texicaprina
    • † Texicaprina vivari
  • † Texigryphaea
    • † Texigryphaea sashitaensis
  • † Texigryphea
    • † Texigryphea washitaensis
  • Fossilized shell of the Carboniferous-modern foraminiferan Textularia
    Textularia
    • † Textularia losangica
    • † Textularia rioensis
  • † Thamnasteria
    • † Thamnasteria hoffmeisteri – type locality for species
  • † Thamnoseris – tentative report
    • † Thamnoseris morchella – type locality for species
  • † Thecosmilia – tentative report
  • † Thomasites
    • † Thomasites adkinsi
  • † Thomelites
  • †Thryptodus[10]
    • †Thryptodus loomisi – type locality for species[10]
  • † Thylacus
    • † Thylacus cretaceus
  • † Thyracella
  • † Tiarasmilia – type locality for genus
    • † Tiarasmilia casteri – type locality for species
  • † Tibiaporrhais – tentative report
    • † Tibiaporrhais cooperensis
  • † Tintorium
    • † Tintorium pogodaformis – or unidentified comparable form
  • † Titanosarcolites
    • † Titanosarcolites oddsensis
  • † Tornatellaea
    • † Tornatellaea cretacea
    • † Tornatellaea eretacea
    • † Tornatellaea eretacea appressa
    • † Tornatellaea gramdis
    • † Tornatellaea scatesi
  • † Toucasia
    • † Toucasia hancockensis
    • † Toucasia texana
  • † Tovula
    • † Tovula microlirae
  • † Trachybaculites
    • † Trachybaculites columna
  • Trachycardium
    • † Trachycardium eufaulensis
    • † Trachycardium tinninense
  • † Trachyscaphites
    • † Trachyscaphites densicostatus – type locality for species
    • † Trachyscaphites porchi
    • † Trachyscaphites spiniger
  • Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
    † Triceratops
    • † Triceratops utahensis – or unidentified comparable form
  • † Trigonarca – tentative report
  • † Trigonia
    • † Trigonia clavigera
    • † Trigonia emoryi
    • † Trigonia goodellii
    • † Trigonia munita
    • † Trigonia proscabra
    • † Trigonia stantoni
    • † Trigonia vyschetzkii
  • † Trilophosaurus – type locality for genus
    • † Trilophosaurus buettneri – type locality for species
    • † Trilophosaurus jacobsi
  • Life restoration of the Late Cretaceous plesiosaur Trinacromerum
    † Trinacromerum – type locality for genus
    • † Trinacromerum bentonianum – type locality for species
  • † Trinitichelys – type locality for genus
    • † Trinitichelys hiatti – type locality for species
  • † Triodus
    • † Triodus moorei
  • † Triopticus – type locality for genus
    • † Triopticus primus – type locality for species
  • † Tristix
    • † Tristix gigantea
    • † Tristix quadrata
  • Fossilized shell in multiple views of the Early-Late Cretaceous sea snail Trochactaeon
    † Trochactaeon
    • † Trochactaeon cumminsi
  • Trochocyathus
    • † Trochocyathus gardnerae – type locality for species
    • † Trochocyathus scottianus – type locality for species
    • † Trochocyathus sellardsi – type locality for species
    • † Trochocyathus taylorensis – type locality for species
    • † Trochocyathus wintoni – type locality for species
    • † Trochocyathus woolmani
  • † Trochoseris
    • † Trochoseris shattucki – type locality for species
  • † Trochosmilia
    • † Trochosmilia stainbrooki – type locality for species
  • † Troostella
    • † Troostella brevispira
    • † Troostella sublinearis
  • Tryonia
    • † Tryonia valida
  • † Tundora
    • † Tundora tuberculata
  • Turboella
    • † Turboella crebricostata
    • † Turboella tallahatchiensis
  • † Turgidodon
    • † Turgidodon lillegraveni – or unidentified comparable form
  • † Turrilites
    • † Turrilites acutus
    • † Turrilites saudersorum
  • Fossilized shells of the Late Jurassic-modern tower snail Turritella
    Turritella
    • † Turritella anstini
    • † Turritella bilira
    • † Turritella delriensis
    • † Turritella forgemoli – or unidentified comparable form
    • † Turritella hilgardi
    • † Turritella houstonia
    • † Turritella macnairyensis
    • † Turritella marnochi
    • † Turritella paravertebroides
    • † Turritella quadrilira
    • † Turritella seriatimgranulata
    • † Turritella shuleri
    • † Turritella trilira
    • † Turritella vertebroides
    • † Turritella vertebroides jonesi
    • † Turritella winchelli
  • † Turseodus – tentative report
  • † Tylosaurus
    • † Tylosaurus kansasensis
    • † Tylosaurus nepaeolicus
    • † Tylosaurus proriger – or unidentified comparable form
  • † Typothorax
  • Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
    † Tyrannosaurus
    • † Tyrannosaurus rex

U
  • † Uddenia
  • † Uktenadactylus
    • † Uktenadactylus wadleighi – type locality for species
  • † Unicardium
    • † Unicardium concentricum
  • Unio
  • A living Upogebia mud shrimp
    † Upogebia
    • † Upogebia rhacheochir
  • † Urceolabrum
    • † Urceolabrum mantachieensis – tentative report
    • † Urceolabrum tuberculatum
  • † Ursirivus
    • † Ursirivus arlingtonanus
    • † Ursirivus fannensis
    • † Ursirivus fanninensis

V
  • Vaginulina
  • Valvulineria
    • † Valvulineria asterigerinoides
  • Life restoration of the Late Triassic reptile Vancleavea
    † Vancleavea
    • † Vancleavea campi
  • † Vascellum
    • † Vascellum elegans
    • † Vascellum fortispirae
    • † Vascellum leve
    • † Vascellum magnum
    • † Vascellum minusculum
    • † Vascellum mundum
    • † Vascellum mundum subteres
    • † Vascellum pingue
    • † Vascellum procerum
    • † Vascellum rivanum
    • † Vascellum robustum
    • † Vascellum subleve
    • † Vascellum tensum
    • † Vascellum vascellum
    • † Vascellum vascellum pressulum
    • † Vascellum vascellum subornatum
    • † Vascellum vianum
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Vascoceras
    † Vascoceras
    • † Vascoceras cauvini – or unidentified comparable form
    • † Vascoceras proprium
    • † Vascoceras silvanense
  • Venericardia
    • † Venericardia uvaldana
  • † Veniella
    • † Veniella conradi
    • † Veniella lineata
  • † Vetericardiella
    • † Vetericardiella crenalirata
    • † Vetericardiella webbervillensis
  • † Vicarya
  • † Vinella
  • Shell of a Viviparus freshwater snail
    Viviparus – tentative report
  • Volsella
    • † Volsella alveolana
    • † Volsella modesta
    • † Volsella tarrantana
    • † Volsella uddeni
  • † Volutomorpha
    • † Volutomorpha aspera
    • † Volutomorpha conradi
    • † Volutomorpha graysonensis
    • † Volutomorpha retifera
  • † Voysa
    • † Voysa compacta
    • † Voysa constricta
    • † Voysa eulessana
    • † Voysa lepida
    • † Voysa minor
    • † Voysa planolata
    • † Voysa savoiana
    • † Voysa speciosa
    • † Voysa varia
    • † Voysa varia extensa
    • † Voysa varia levicostae
    • † Voysa varia nodosa
  • Vulsella
    • † Vulsella alveolana
    • † Vulsella tarrantana

W
  • † Wadeopsammia
    • † Wadeopsammia nodosa
  • Fossilized partial skulls of the Early Cretaceous crocodilian Wannchampsus
    † Wannchampsus – type locality for genus
    • † Wannchampsus kirpachi – type locality for species
  • † Wannia
    • † Wannia scurriensis – type locality for species
  • † Washitaster
    • † Washitaster longisulcus
  • † Weeksia
    • † Weeksia lubbocki
  • † Woodbinax
    • † Woodbinax texanus
  • † Woodbinesuchus – type locality for genus
    • † Woodbinesuchus byersmauricei – type locality for species
  • † Worthoceras
    • † Worthoceras gibbosum
    • † Worthoceras vermiculum – or unidentified comparable form
  • † Wrightoceras
    • † Wrightoceras munieri

X
  • Xanthosia
    • † Xanthosia pawpawensis
    • † Xanthosia reidi
    • † Xanthosia wintoni
  • † Xenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
  • Xenophora
  • Life restoration of the Cretaceous bony fish Xiphactinus
    † Xiphactinus
  • † Xylophagella
    • † Xylophagella whitneyi

Y
  • † Yezoites
    • † Yezoites subevolutus
  • Yoldia
    • † Yoldia septariana
    • † Yoldia subacuta


gollark: So, hmm, how to improve my staff application...
gollark: one two three four five six seven eight nine ten eleven twelve™ thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twentyone twentytwo twentythree twentyfour twentyfive twentysix twentyseven twentyeight twentynine thirty
gollark: Why not? I do count. Sometimes I count to 12.
gollark: Yes, deleting 2000 messages because of [REDACTED] is totally not causing any problems.
gollark: As they should be.

References
  1. Albert Prieto-Márquez; Jonathan R. Wagner; Thomas Lehman (2019). "An unusual 'shovel-billed' dinosaur with trophic specializations from the early Campanian of Trans-Pecos Texas, and the ancestral hadrosaurian crest". Journal of Systematic Palaeontology. Online edition: 1–38. doi:10.1080/14772019.2019.1625078.
  2. Albert Prieto-Márquez; Jonathan R. Wagner; Thomas Lehman (2019). "An unusual 'shovel-billed' dinosaur with trophic specializations from the early Campanian of Trans-Pecos Texas, and the ancestral hadrosaurian crest". Journal of Systematic Palaeontology. Online edition: 1–38. doi:10.1080/14772019.2019.1625078.
  3. Kate A. Andrzejewski; Dale A. Winkler; Louis L. Jacobs (2019). "A new basal ornithopod (Dinosauria: Ornithischia) from the Early Cretaceous of Texas". PLoS ONE. 14 (3): e0207935. Bibcode:2019PLoSO..1407935A. doi:10.1371/journal.pone.0207935. PMC 6413910. PMID 30860999.
  4. Kate A. Andrzejewski; Dale A. Winkler; Louis L. Jacobs (2019). "A new basal ornithopod (Dinosauria: Ornithischia) from the Early Cretaceous of Texas". PLoS ONE. 14 (3): e0207935. Bibcode:2019PLoSO..1407935A. doi:10.1371/journal.pone.0207935. PMC 6413910. PMID 30860999.
  5. Dirk Fuchs; Yasuhiro Iba; Alexander Heyng; Masaya Iijima; Christian Klug; Neal L. Larson; Günter Schweigert (2019). "The Muensterelloidea: phylogeny and character evolution of Mesozoic stem octopods". Papers in Palaeontology. Online edition. doi:10.1002/spp2.1254.
  6. Christopher R. Noto; Stephanie K. Drumheller; Thomas L. Adams; Alan H. Turner (2019). "An enigmatic small neosuchian crocodyliform from the Woodbine Formation of Texas". The Anatomical Record. in press. doi:10.1002/ar.24174. PMID 31173481.
  7. Christopher R. Noto; Stephanie K. Drumheller; Thomas L. Adams; Alan H. Turner (2019). "An enigmatic small neosuchian crocodyliform from the Woodbine Formation of Texas". The Anatomical Record. in press. doi:10.1002/ar.24174. PMID 31173481.
  8. Thomas L. Adams (2019). "Small terrestrial crocodyliform from the Lower Cretaceous (late Aptian) of central Texas and its implications on the paleoecology of the Proctor Lake dinosaur locality". Journal of Vertebrate Paleontology. Online edition: e1623226. doi:10.1080/02724634.2019.1623226.
  9. Thomas L. Adams (2019). "Small terrestrial crocodyliform from the Lower Cretaceous (late Aptian) of central Texas and its implications on the paleoecology of the Proctor Lake dinosaur locality". Journal of Vertebrate Paleontology. Online edition: e1623226. doi:10.1080/02724634.2019.1623226.
  10. Kenshu Shimada (2019). "A new species and biology of the Late Cretaceous 'blunt-snouted' bony fish, Thryptodus (Actinopterygii: Tselfatiiformes), from the United States". Cretaceous Research. 101: 92–107. doi:10.1016/j.cretres.2019.04.011.
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