List of the Mesozoic life of Texas

From Wikipedia, the free encyclopedia

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 wintoni
    • †Acanthoceras worthense
  • Acesta
    • †
    • †
  • Acila
    • †
  • Acirsa
    • † – tentative report
  • Acmaea
    • †
    • †
  • †Acompsoceras
  • Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus
    †Acrocanthosaurus
    • †Acrocanthosaurus atokensis
  • †
  • Acteon
    • † – tentative report
    • †
  • †Acteonella
    • †
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    • † – or unidentified comparable form
  • †
    • † – type locality for species
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  • Life restoration of the Late Triassic synapsid (mammal precursor) Adelobasileus
    †Adelobasileus – type locality for genus
    • †Adelobasileus cromptoni – type locality for species
  • †
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Adkinsia
    • † – type locality for species
    • † – type locality for species
  • †Adocus
  • †Aenona
    • †
  • †Aetodactylus – type locality for genus
    • †Aetodactylus halli – type locality for species
  • †Agerostrea
    • †
  • †
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  • †Agujaceratops
    • †Agujaceratops mariscalensis – type locality for species
  • †Akera
    • †
  • Alamosaurus
    †Alamosaurus
    • †Alamosaurus sanjuanensis
  • †Albanerpeton
    • † – type locality for species
    • †Albanerpeton gracilis
    • †Albanerpeton nexuosus
  • †
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  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †Allocrioceras
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  • Alnus
    • †
  • Restorative model of the Late Cretaceous mammal Alphadon
    †Alphadon
    • †Alphadon halleyi – or unidentified comparable form
    • † – type locality for species
  • † – type locality for genus
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  • Fossilized shell of the Jurassic-Miocene sea snail Ampullina
    †Ampullina – or unidentified comparable form
    • †
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  • Amusium
    • † – tentative report
  • †
  • †Anaklinoceras
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    • † – tentative report
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  • † Ancilla
    • †
  • †Angistorhinus
    • † – 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
    • †
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  • †
    • † – tentative report
    • †
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  • Anomia
    • †
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  • †Anomoeodus
  • †Anomotodon
    • † – type locality for species
  • †
  • †Apachesaurus
    • †Apachesaurus gregorii
  • †
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †Aquilarhinus – type locality for genus[1]
    • †Aquilarhinus palimentus – type locality for species[2]
  • Arca
    • †
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  • Architectonica
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  • †
    • †
  • † – type locality for genus
    • † – 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
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  • †Aspidoceras
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  • Astarte
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  • †
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  • Electron micrograph and gross view of an Astrangia stony coral
    Astrangia
    • †
    • † – type locality for species
  • Astreopora – tentative report
    • † – type locality for species
  • †
    • † – type locality for species
    • †
    • † – type locality for species
  • †Astroconodon – type locality for genus
    • †Astroconodon denisoni – type locality for species
  • † – type locality for genus
    • † – 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
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †Axonoceras
    • †
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    • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species

B[]

  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    †Baculites
    • †Baculites aquilaensis - or unidentified loosely related form
    • †
    • †Baculites haresi – or unidentified comparable form
    • †Baculites ovatus
    • †Baculites scotti
    • †
    • †Baculites tippahensis
    • †
  • †Baena – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Banis
    • †
  • Barbatia – tentative report
    • †
  • †Barroisiceras
  • Mounted fossilized skeleton of the Cretaceous turtle Basilemys
    †Basilemys
  • †Bathycyathus – tentative report
    • † – type locality for species
  • †
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  • †Belemnitella
    • †Belemnitella americana
  • †
    • † – or unidentified related form
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  • †Belodon
    • † – type locality for species
  • Fossilized skeleton of the Late Cretaceous bony fish Belonostomus
    †Belonostomus
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  • Life restoration of the Early Cretaceous crocodilian relative Bernissartia
    †Bernissartia – tentative report
  • †Betelgeusia – type locality for genus
    • †Betelgeusia reidi – type locality for species
  • †
    • †
  • †Bostrychoceras
    • †
  • Botula
    • †Botula carolinensis
    • †Botula conchafodentis
    • †
  • Life restoration of the Late Cretaceous plesiosaur Brachauchenius hunting a hesperornithiform bird
    †Brachauchenius
    • †Brachauchenius lucasi
  • Brachidontes
    • †
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  • †Brachychampsa
  • † – tentative report
    • †
  • † – type locality for genus
    • † – 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
  • †
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  • †Brontopodus – type locality for genus
    • † – type locality for species
  • †
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  • † – type locality for genus
    • † – type locality for species
  • †
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  • Busycon – tentative report

C[]

  • Cadulus
    • †
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  • Caestocorbula
    • †Caestocorbula crassaplica
    • †Caestocorbula crassiplica
    • †Caestocorbula suffalciata
    • †Caestocorbula terramaria
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  • Callianassa
  • †Calliomphalus
    • †Calliomphalus americanus
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  • †Callodus – type locality for genus
    • † – type locality for species
    • †
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  • †Calyptosuchus – type locality for genus
    • †Calyptosuchus wellesi – type locality for species
  • Three modern shells of Calyptraea, or Chinese hat snails
    Calyptraea
  • †
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  • Cancellaria
    • † – tentative report
  • †
    • †
    • † – or unidentified related form
  • Cantharus – tentative report
  • †Cantioscyllium
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • Fossilized shell of the Cretaceous marine bivalve Caprina
    †Caprina
    • †
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  • †
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  • Capulus
    • †
    • †
    • † – tentative report
    • †
  • A living Carcharias sand tiger shark
    Carcharias
    • † – type locality for species
    • †
    • † – or unidentified comparable form
  • †
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  • †Caririchnium
    • † – type locality for species
  • Carota
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  • Caryocorbula
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  • A living Caryophyllia solitary coral
    Caryophyllia
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †Caseosaurus – type locality for genus
    • †Caseosaurus crosbyensis – type locality for species
  • †Casierius
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  • †Catactegenys – type locality for genus
    • † – type locality for species
  • †
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  • Fossilized skeleton of the Permian-Early Cretaceous bony fish Caturus
    †Caturus
  • †Caveola
    • † – tentative report
    • †
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  • †Cedarosaurus
    • †Cedarosaurus weiskopfae
  • †
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  • Life restoration of the Late Triassic-Eocene lungfish Ceratodus
    †Ceratodus
    • † – or unidentified comparable form
  • Ceratotrochus – tentative report
  • †
  • Cerithiella
    • †Cerithiella nodoliratum – or unidentified related form
    • †Cerithiella semirugatum
  • Cerithium
    • †
  • †Chamops
  • †Champsosaurus
  • †
  • †
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  • Restoration of the Late Triassic theropod dinosaur Chindesaurus
    †Chindesaurus
    • †Chindesaurus bryansmalli
  • †Chinlea
    • †
  • †Chirostenotes
  • †
    • †
    • †
    • † – type locality for species
  • †Chupacabrachelys – type locality for genus
    • † – type locality for species
  • Cidaris
    • †
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  • †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
  • †
    • † – or unidentified related form
  • †
    • † – type locality for species
  • †
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  • †Cladoceramus
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  • †
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  • †Clevosaurus – or unidentified comparable form
    • †
  • Life restoration of the Late Cretaceous mosasaurid Clidastes
    †Clidastes
    • †Clidastes liodontus
  • Cliona
    • †
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  • †
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  • †Coahomasuchus – type locality for genus
    • †Coahomasuchus kahleorum – type locality for species
  • † – tentative report
  • †
    • †
  • †
    • † – type locality for species
  • †Coelodus
    • † – type locality for species
    • † – type locality for species
  • Life restoration of the Late Triassic-Early Jurassic theropod dinosaur Coelophysis with an anachronistic human to scale
    †Coelophysis
  • †
    • †
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  • †Coilopoceras
    • †Coilopoceras springeri
  • †Collignoniceras
    • †Collignoniceras woollgari
  • †Colognathus – type locality for genus
    • † – type locality for species
  • †
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  • † – tentative report
  • †Coniasaurus
    • †
  • † – tentative report
    • † – type locality for species
  • Conopeum
  • †Continuoolithus
  • †Conulus
    • † – type locality for species
  • †Convolosaurus – type locality for genus[3]
    • †Convolosaurus marri – type locality for species[4]
  • A living Corbicula basket clam
    Corbicula
  • Corbula
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    • †
    • †
    • † – or unidentified related form
    • † – tentative report
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  • †Coupatezia
    • † – type locality for species
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  • Fossilized shell of the Cretaceous-modern oyster Crassostrea
    Crassostrea
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  • † Crenella
    • †Crenella elegantula
    • †Crenella serica
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  • Fossil of the Early Cretaceous-Eocene shark Cretolamna
    †Cretolamna
    • †Cretolamna appendiculata
    • †
  • †Cretorectolobus
    • †Cretorectolobus olsoni – or unidentified comparable form
  • †Crosbysaurus – type locality for genus
    • †Crosbysaurus harrisae – type locality for species
  • Ctena
    • †
  • Shell of a Cucullaea, or false ark shell
    Cucullaea
    • †
    • †Cucullaea capax
    • †
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    • †Cucullaea powersi
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Cuspidaria
    • †
    • †Cuspidaria ampulla
    • †Cuspidaria grandis
    • †Cuspidaria grovensis
  • † – tentative report
    • † – type locality for species
  • † Cyathophora
    • † – type locality for species
    • † – type locality for species
  • †
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  • †Cyclothyris
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  • Cylichna
    • †Cylichna incisa
    • †
  • Fossilized shell of the Late Jurassic-Oligocene nautiloid cephalopod Cymatoceras
    †Cymatoceras
    • † – or unidentified comparable form
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  • †Cymella
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    • † – or unidentified related form
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  • Cytherella
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  • Cyzicus – tentative report
    • †

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
    • † – type locality for species
  • †
    • †
  • †
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  • Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus
    †Deinosuchus
    • †Deinosuchus riograndensis
    • †Deinosuchus rugosus – type locality for species
  • †
    • †
  • † – tentative report
    • †
  • † – type locality for genus
    • †
    • †
  • Dentalium
    • †
    • †Dentalium leve
    • †
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    • †Dentalium pauperculum
    • †
    • †
  • †
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  • 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
  • †
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  • †
    • †
  • †
  • †
    • †
  • †
    • † – type locality for species
  • †
    • † – type locality for species
  • †
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  • Diodora – tentative report
    • †
  • Fossilized skeleton of the Late Triassic tuatara relative Diphydontosaurus
    †Diphydontosaurus – or unidentified related form
  • †Diploastrea
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • †
  • Discorbis
    • †
    • †
  • †Discoscaphites
    • †Discoscaphites conradi
    • †
  • † – or unidentified comparable form
  • Mounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops
    †Dolichorhynchops
    • †Dolichorhynchops bonneri
  • !-- Doswellia: Automatic taxobox --> †Doswellia
  • †Douvilleiceras
    • †
    • †
    • † – or unidentified comparable form
    • † – or unidentified comparable form
    • †
    • †
    • †
  • † – tentative report
    • †
  • Shell of a Dreissena freshwater mussel
    †Dreissena
    • †
  • †
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  • †
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    • †
    • †
    • †
    • † – or unidentified comparable form
    • †
  • Restoration of the Late Triassic dinosaur relative Dromomeron
    †Dromomeron
    • †Dromomeron gregorii – type locality for species
  • †Dryptosaurus
  • †Dufrenoyia
    • †Dufrenoyia justinae
    • †
  • †Durania

E[]

  • †Echinocorys
    • †
  • †
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  • †Ecphora
    • †
  • Fossilized partial skeleton of the Late Cretaceous mosasaur Ectenosaurus
    †Ectenosaurus
  • †Edmontonia – or unidentified comparable form
  • † – tentative report
  • †
    • † – type locality for species
  • †
    • †
    • †
  • Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring"
    †Enchodus
  • †
  • †
    • †
  • †
    • † – or unidentified comparable form
  • †
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    • †
    • †
    • †
    • †
    • † – or unidentified related form
  • †
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  • †
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    • †
    • †
  • †
    • †
  • †
    • † – type locality for species
  • †
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  • †Epiphaxum
    • † – type locality for species
  • †Episcoposaurus – type locality for genus
    • †Episcoposaurus haplocerus – type locality for species
  • †
    • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †Epitonium
    • †Epitonium sillimani
  • †
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  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras
    †Eubostrychoceras
    • †
  • †Eucalycoceras
    • † – type locality for species
  • †
    • †
  • †
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  • †Eugyra
    • † – type locality for species
  • †Euhoplites – tentative report
  • †Eulima
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  • †Euomphaloceras
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  • †Eupachydiscus
    • †
  • Shell of a Euspira moon sea snail
    †Euspira
    • †
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    • †
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  • – or unidentified related form
    • †
  • †Eutrephoceras
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  • †Ewingia – type locality for genus
    • † – type locality for species
  • Fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
    †Exogyra
    • †
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    • †Exogyra cancellata
    • †
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    • †Exogyra costata
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    • †

F[]

  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Fagesia
    †Fagesia
    • †
  • †
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  • †Faujasia
    • † – type locality for species
  • †Favia
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  • †
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    • † – or unidentified related form
  • †
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  • †Flexomornis – type locality for genus
    • †Flexomornis howei – type locality for species
  • †Flickia
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Forbesiceras
    • †
    • †
    • †
  • †Forresteria
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †
    • †
  • †
    • † – or unidentified related form
    • †
  • †
    • †
  • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
  • A living Fusinus sea snail
    Fusinus
    • †
    • † – or unidentified related form

G[]

  • A living Galeorhinus galeus school shark
    Galeorhinus
    • † – or unidentified related form
  • †
    • † – type locality for species
  • †
    • †
  • Gastrochaena
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  • Gegania
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  • †
  • Fossilized shell of the Carboniferous-Eocene bivalve Gervillia
    †Gervillia
    • †
    • † – tentative report
  • †
    • †
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  • Ginglymostoma
  • †
    • †
    • †
  • †
    • † – type locality for species
  • Illustration of a reconstructed skull of the Late Cretaceous mosasaur Globidens
    †Globidens
    • †Globidens dakotensis
  • Globigerina
    • †Globigerina cretacea
    • †
  • Glossus
    • †
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    • †
    • †
    • †
  • Glycymeris
    • †Glycymeris rotundata
    • †
  • Fossilized skull and shell of the Late Jurassic-Early Cretaceous turtle Glyptops
    †Glyptops – tentative report
  • †
    • †
  • †Gobiates
  • †
    • †
  • †
  • †
    • †
  • †
    • †
    • †
    • † – tentative report
  • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • † – tentative report
    • †
    • †
    • †
    • †
  • †
    • †
  • †
    • †
  • †
    • †
    • †
  • †Gryphaea
    • † – or unidentified related form
    • †
    • †
    • †
    • †
  • †
    • †
  • Restorative portrait of the Late Cretaceous duck-billed dinosaur Gryposaurus.
    †Gryposaurus – tentative report
    • †Gryposaurus alsatei
  • †
    • †
    • †
  • †
  • †
    • †
    • †
  • †Gypsichnites
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †Gyronchus
    • †
  • †
    • †

H[]

  • Shell of Haminoea bubble shell sea snail
    Haminoea – tentative report
    • †
  • †Hamites
  • †
    • † – type locality for species
  • †Hamulus
    • †
    • †
    • †
  • †
    • †
  • †
    • †
  • †
    • †
    • †
    • †
  • †Helicoceras
    • †Helicoceras navarroense
  • †
    • †
    • †
    • †
    • † – type locality for species
    • †
    • †
  • †Hemicalypterus – tentative report
    • †
    • †
    • †
  • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
  • † – tentative report
    • † – type locality for species
    • † – type locality for species
  • Heterodontus
    • † – type locality for species
  • † Heteromorpha
    • †
  • Illustration of a living Hexanchus, or sixgill shark
    Hexanchus
  • †
    • †
    • †
  • †
    • †
  • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Fossil of the Late Cretaceous lobster
    Homarus
    • †
    • †
    • †
  • †
  • †
    • † – tentative report
  • †Hoplochelys
  • †Hoploscaphites
    • †
  • †
    • †
  • Life restoration of two of the Permian-Late Cretaceous cartilaginous fish Hybodus
    --> †Hybodus
    • † – or unidentified comparable form
    • † – type locality for species
  • †Hydnophora – tentative report
    • † – type locality for species
  • †
    • †
  • † – or unidentified comparable form
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †Hypolophus
    • † – type locality for species
  • †Hypophylloceras
    • † – or unidentified comparable form
  • †
    • †

I[]

  • †Ichthyodectes
  • Restoration of the Late Cretaceous toothed bird Ichthyornis
    †Ichthyornis
    • †Ichthyornis dispar
  • †Idoceras
    • †
    • †
  • †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 cordiformis – or unidentified comparable form
    • †
    • †Inoceramus deformis
    • †Inoceramus dimidius
    • †
    • †Inoceramus fragilis
    • †Inoceramus prefragilis
    • †Inoceramus vanuxemi – tentative report
  • †Irenesauripus
    • †
  • †Isastrea
    • † – type locality for species
  • †Ischyrhiza
    • †Ischyrhiza avonicola
    • †Ischyrhiza mira
    • † – type locality for species
  • †
    • †
    • † – type locality for species

J[]

  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
    †Jeletzkytes
    • †Jeletzkytes brevis
    • †
    • †

K[]

  • †Kamerunoceras
    • †
    • † – or unidentified comparable form
  • †
    • † – tentative report
    • †
    • †
    • † – tentative report
  • †
    • †
    • †
    • †
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
  • †Koskinonodon – type locality for genus
    • † – type locality for species
  • Life restoration of the Late Cretaceous duck-billed dinosaur Kritosaurus
    †Kritosaurus

L[]

  • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species
  • A modern Lamna mackerel shark
    Lamna
    • † – or unidentified related form
  • †
    • † – type locality for species
  • †
    • †
  • Laternula
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • †
    • †
  • Shells in multiple views of Latiaxis coral sea snails
    Latiaxis
  • †Latiscopus – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
  • †Lepidotes
  • Lepisosteus
  • †
    • †
    • †
    • †
Fossilized foot bones of the Late Cretaceous oviraptorosaur Leptorhynchos

† Leptorhynchos – type locality for genus

    • †Leptorhynchos gaddisi – type locality for species
  • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †Leptostyrax
    • †
    • †
  • 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
  • †
    • †
    • †
    • †
    • † – tentative report
    • †
    • †
  • †Lewesiceras
  • †
    • †
  • †Leyvachelys
    • †Leyvachelys cipadi
  • †Libognathus – type locality for genus
    • † – 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
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • Limatula
    • †
  • Limea
    • †
  • Limopsis
    • †
  • †
    • †
  • †Linearis
    • †
    • †
    • †
    • †
    • †
  • Lingula
    • †
  • †
    • †
  • †Linthia
    • †
  • A modern Linuparus spiny lobster
    Linuparus
    • †
    • †
    • †
  • †Lioestheria – tentative report
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
  • †
    • † – or unidentified comparable form
    • †
  • Liquidambar – tentative report
  • †
    • †
  • †
    • †
    • †
    • †
  • †Lissodus
    • † – or unidentified related form
  • Lithacoceras
    †Lithacoceras
    • †
  • Lithophaga
  • †
    • †
  • †Lonchidion
    • † – type locality for species
    • † – type locality for species
    • †
  • †
    • †
    • †
  • Mounted fossilized skeleton of the Late Triassic aetosaur Longosuchus
    †Longosuchus
    • †Longosuchus meadei – type locality for species
    • †
  • Lopha
    • †Lopha falcata
    • †Lopha mesenterica
    • †
  • †
    • †
  • †
    • † – or unidentified comparable form
  • †
    • †
  • †Lucasuchus – type locality for genus
    • †Lucasuchus hunti – type locality for species
  • Lucina
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • †
    • †
  • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
  • † – tentative report

M[]

  • †
    • †
    • †
    • †
  • †Macrepistius
  • †
    • †
  • †
    • †
  • †
    • †
    • †
    • † – or unidentified comparable form
    • †
  • †Magnoavipes – type locality for genus
    • † – type locality for species
  • Life restoration of the Late Triassic reptile Malerisaurus
    †Malerisaurus
    • †
    • †
    • †
    • †
  • †Mammites
    • † – type locality for species
  • †Mantelliceras
    • †Mantelliceras cantianum
    • † – or unidentified comparable form
    • †
  • †
    • †
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Mariella
    †Mariella
    • †
    • †
    • †
    • † – or unidentified comparable form
    • †
    • †
    • †
  • †
    • †
    • †
    • †
  • † Mathilda
    • †
    • †
  • †
    • † – type locality for species
    • † – or unidentified comparable form
  • †
    • †
  • Megalomphalus – or unidentified comparable form
  • †Megalosauropus – tentative report
    • † – type locality for species
  • Melanatria
    • †
  • †
  • Membranipora
  • †
    • †
    • †
    • †
    • †
  • Fossilized skull of the Late Cretaceous multituberculate mammal Meniscoessus
    †Meniscoessus
  • †Menuites
  • Mesalia
    • †
  • †Mesodma
  • †
    • †
    • † – type locality for species
  • †
    • †
    • †
    • †
    • †
    • †
  • †Metoicoceras
    • †
    • †Metoicoceras geslinianum
    • †
    • †
    • †
    • †
  • Life restoration of the Late Triassic amphibian Metoposaurus with an anachronistic human to scale
    †Metoposaurus
    • †Metoposaurus bakeri – type locality for species
    • †
    • † – type locality for species
    • †
  • †
    • †
  • †
    • †
    • † – type locality for species
  • †Micraster
    • †
    • † – type locality for species
  • †
    • † – type locality for species
  • †
    • † – type locality for species
  • †
    • †
    • †
  • Fossilized shell of the Devonian-modern marine bivalve Modiolus, or horsemussel
    † Modiolus
    • †Modiolus sedesclaris
    • †Modiolus sedesclarus
    • †
  • Monodonta – tentative report
    • †
  • †Monopleura – tentative report
  • †
    • †
  • Montastraea
    • †
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
    • †
    • †
    • †
  • †Morea
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • † – type locality for species
  • †
    • † – or unidentified comparable form
  • †Mortoniceras
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • Life restoration of two of the Late Cretaceous Mosasaurus
    †Mosasaurus
    • †
    • †Mosasaurus missouriensis – tentative report
  • †Muensterella[5]
    • † – type locality for species[5]
  • †
    • †
  • † – tentative report
    • † – type locality for species
    • †
  • †
    • †
  • † Mytilus

N[]

  • †Naomichelys
  • †
    • †
    • †
  • Multiple views of a fossilized shell belonging to a Natica moon snail
    Natica
    • †
    • †
    • †
    • †
  • Nebrius
  • †Neithea
    • †Neithea bexarensis
    • †Neithea quinquecostata
  • †
    • †
  • †Nemocardium
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • †Neocardioceras
    • †Neocardioceras juddii
  • †
    • †
    • †
  • †
    • †
  • Opalized guard of the belemnoid cephalopod Neohibolites
    †Neohibolites
  • †
    • † – type locality for species
    • † – or unidentified comparable form
    • † – type locality for species
    • †
    • †
  • †Neoptychites
  • †Nerinea – tentative report
  • Nerita
    • †
    • †
  • Living Neritina or nerite snails
    Neritina
    • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • Restoration of several species of the Late Cretaceous ammonoid cephalopod Nostoceras
    †Nostoceras
    • †Nostoceras approximans
    • †
    • †
    • †
    • †
    • †
    • †
    • †Nostoceras splendidum
    • †
    • †
  • †
  • † – tentative report
    • † – type locality for species
  • †
    • †
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • †Nucula camia
    • †
    • †
    • †
    • †Nucula cuneifrons
    • †
    • †
    • †Nucula percrassa
    • †
    • †
    • †
    • †
  • Nuculana
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • † – tentative report
  • †
    • †
    • †
  • † Nyssa

O[]

  • †Odaxosaurus
    • †Odaxosaurus piger
  • A living Odontaspis sand shark
    Odontaspis
    • †
  • † – tentative report
    • † – type locality for species
  • †Oklatheridium
    • †Oklatheridium minax
    • †Oklatheridium szalayi
  • †
    • † – tentative report
  • †Onchopristis
    • †
  • Fossilized vertebrae of the Cretaceous sawfish Onchosaurus
    †Onchosaurus
  • †
    • †
    • †
    • †
  • †Ophiomorpha
  • †Ophiopsis – tentative report
  • Ophiura
    • †
    • †
    • † – type locality for species
  • †Opis
    • † – tentative report
  • Life restoration of the Late Cretaceous ostrich dinosaur Ornithomimus
    †Ornithomimus
  • †
    • †
    • †
    • †
    • †
  • †Ostlingoceras
    • †
  • Shell of an Ostrea, or oyster
    Ostrea
    • †
    • †
    • †
    • †
    • † – or unidentified related form
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †Otischalkia – type locality for genus
    • †Otischalkia elderae – type locality for species
  • † – type locality for genus
    • † – type locality for species
    • † – type locality for species
  • †Oxyrhina
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • † – or unidentified comparable form
    • †
    • †
    • †
    • †
    • †
    • †

P[]

  • †Pachycheilosuchus – type locality for genus
    • †Pachycheilosuchus trinquei – type locality for species
  • †Pachydesmoceras
  • †Pachydiscus
    • †
    • †
    • †
    • †
  • Restorative portrait of the Early Jurassic synapsid (mammal precursor) Pachygenelus
    †Pachygenelus
    • † – type locality for species
  • †Pachymelania
  • †
  • Pagurus
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • Fossilized skeleton of the Early Cretaceous-Eocene bony fish Palaeobalistum
    †Palaeobalistum
    • † – type locality for species
    • † – type locality for species
  • †Palaeoctonus
    • † – type locality for species
    • † – type locality for species
  • †
    • †
    • †
  • †
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †
    • † – type locality for species
  • †
    • †
    • †
    • †
    • †
  • 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
    • †
  • Panopea
    • † – type locality for species
    • †
  • †
    • †
  • †Pappotherium – type locality for genus
    • † – type locality for species
  • †Paracimexomys
    • †
    • †
  • † – tentative report
  • †
    • †
    • †
  • †Paraisurus
    • †
  • †Paramicrodon – type locality for genus
    • † – type locality for species
  • †
    • † – or unidentified comparable form
  • †
    • †
  • †
    • †
  • †
    • †
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size
    †Parapuzosia
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • † – or unidentified comparable form
    • †
    • †
    • † – type locality for species
    • † – type locality for species
  • †Parasuchus
    • †
  • Mounted fossilized skeleton of the Late Triassic aetosaur Paratypothorax
    †Paratypothorax
  • †
    • †
  • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †Paronychodon
    • †Paronychodon lacustris – or unidentified comparable form
    • †
  • † – tentative report
    • †
  • Fossilized skull in multiple views of the Early Cretaceous armored dinosaur Pawpawsaurus
    †Pawpawsaurus – type locality for genus
    • †Pawpawsaurus campbelli – type locality for species
  • † Pecten
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • †
    • †
  • †Pekinosaurus – or unidentified related form
    • †Pekinosaurus olseni
  • †
  • Periploma
    • †
  • †
    • †
  • Perna – report made of unidentified related form or using admittedly obsolete nomenclature
    • †
  • †
    • †
    • †
  • Petrophyllia
  • † – tentative report
    • † – type locality for species
  • Phacoides
    • †
  • †
    • †
  • †
    • †
    • †
    • †
  • Pholadidea
    • †
  • Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
    Pholadomya
    • †
    • †
    • †
    • †
    • †Pholadomya occidentalis
    • †
  • Pholas
    • †
  • †
    • †
  • Phymosoma
    †Phymosoma
    • †
  • †Phytosaurus
  • †
    • †
    • †
  • †
    • †
  • † Pinna
    • †
  • †
    • †
    • †
    • †
  • Pitar
    • †
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras
    †Placenticeras
    • †
    • †Placenticeras meeki
    • †
    • †
  • †
    • †
  • †Planocephalosaurus
    • † – type locality for species
    • †
  • Restoration of the Late Cretaceous mosasaur Platecarpus
    †Platecarpus
    • †Platecarpus planifrons
    • †Platecarpus somenensis – or unidentified comparable form
    • †Platecarpus tympaniticus
  • †
    • †
  • †Platyceramus
    • †Platyceramus cycloides
    • †Platyceramus mantelli - or unidentified loosely related form
  • Life restoration of the Early-Late Cretaceous ichthyosaur Platypterygius
    †Platypterygius
  • †
    • †
  • †Plesiosaurus
  • †
    • †
    • †
  • †
    • †
  • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species
  • Fossilized shell of a Pleurotomaria slit snail
    Pleurotomaria
    • †
  • † – or unidentified comparable form
    • †
  • †Plicatoscyllium – type locality for genus
    • † – type locality for species
    • † – type locality for species
  • Plicatula
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
  • Life restoration of the Late Cretaceous mosasaur Plioplatecarpus
    †Plioplatecarpus – tentative report
  • †
    • †
  • Polinices
    • †
    • †
  • †
    • †
    • †
  • †
    • † – or unidentified related form
  • †Polyptychodon
    • † – type locality for species
  • †
    • † – type locality for species
    • †
  • †
    • †
  • †Poposaurus
    • †Poposaurus gracilis
    • †
  • †Porituberoolithus
  • †
  • Restoration of the Late Triassic crocodile relative Postosuchus with an anachronistic human to scale
    †Postosuchus – type locality for genus
    • †Postosuchus kirkpatricki – type locality for species
  • †
    • †
  • †
    • †
  • †
    • †
    • †
    • †
    • †
  • †
    • † – or unidentified related form
  • †
    • †
    • †
  • †Procardia
    • †
  • †
    • † – 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
    • † – type locality for species
  • †Proraster
    • †
  • †
    • †
  • †Prosiren – type locality for genus
    • † – type locality for species
  • †
    • †
  • †Protecovasaurus – type locality for genus
    • †Protecovasaurus lucasi – type locality for species
  • †
    • †
  • †Protoavis – type locality for genus
    • †Protoavis texensis – type locality for species
  • †
    • † – type locality for species
  • †Protocardia
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
  • †Protohadros – type locality for genus
    • †Protohadros byrdi – type locality for species
  • †
    • †
  • Life restoration of the Late Cretaceous bony fish Protosphyraena
    †Protosphyraena
  • †
  • †
    • † – type locality for species
  • †
    • †
  • †
    • †
  • †
    • †
  • † – tentative report
    • † – type locality for species
  • Fossilized teeth of the Cretaceous shark Pseudocorax
    †Pseudocorax
    • †
  • †
    • †
  • †
  • †
    • †
    • †
    • †
    • †
    • †
  • Fossilized shell of a Pseudomelania sea snail
    †Pseudomelania
    • †
    • †
    • †
  • †
    • †
  • †Pseudoperna
    • †Pseudoperna congesta
  • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
  • Life restoration of the Late Cretaceous pterosaur Pteranodon
    †Pteranodon – or unidentified comparable form
  • † Pteria
    • † – tentative report
    • †
  • †
    • †
    • †
    • †
    • †
  • †
    • † – or unidentified related form
  • Fossilized shell of the Jurassic-Cretaceous marine bivalve Pterotrigonia
    †Pterotrigonia
    • †
    • †Pterotrigonia eufalensis
    • †Pterotrigonia eufaulensis
    • †
    • †
    • †
  • †
    • †
  • †Ptychotrygon
    • †
    • † – type locality for species
  • †
    • †
    • †
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Puzosia
    †Puzosia
    • † – or unidentified comparable form
  • Pycnodonte
    • †Pycnodonte belli
    • †Pycnodonte mutabilis
    • †Pycnodonte vesicularis
  • †
    • †
  • †
    • †
    • †
    • †
    • †
  • †
  • †
    • †
  • †
    • †
    • † – or unidentified related form

Q[]

  • † – or unidentified comparable form
    • †
  • Mounted fossilized skeleton of the Late Cretaceous pterosaur Quetzalcoatlus
    †Quetzalcoatlus – type locality for genus
    • †Quetzalcoatlus northropi – type locality for species
  • †Quitmaniceras
    • †
  • †
    • †
    • †

R[]

  • †
    • † – type locality for species
  • †
    • †
  • Raja
    • † – type locality for species
  • †
    • †
  • †
  • †
    • †
    • †
    • †
  • †
    • †
    • †
  • †
    • †
    • †
  • †Reptomulticava
  • †
  • †Rewaconodon – or unidentified related form
    • †Rewaconodon tikiensis
  • † – type locality for genus
    • † – type locality for species
  • Rhinobatos
    • † – type locality for species
    • † – type locality for species
  • Restoration of the Late Cretaceous-Paleocene ray Rhombodus
    †Rhombodus
    • †
  • †
    • †
  • † – tentative report
  • †Richardoestesia
    • †Richardoestesia gilmorei
    • †Richardoestesia isosceles – type locality for species
  • †Rileymillerus – type locality for genus
    • † – type locality for species
  • A living Ringicula sea snail
    Ringicula
  • Rogerella
    • † – type locality for species
  • †Romaniceras
    • †
    • †
  • Rostellaria – tentative report
    • †
  • †Russellosaurus – type locality for genus
    • †Russellosaurus coheni – type locality for species
  • Life restoration of the Late Triassic phytosaur Rutiodon
    †Rutiodon

S[]

    • † – type locality for species
  • †Sanmiguelia
  • †
    • †
    • †
  • †Sargana
    • †
  • Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale
    †Sauroposeidon
    • †Sauroposeidon proteles
  • †Saurornitholestes
    • †Saurornitholestes langstoni – or unidentified comparable form
  • †Sauvagesia – tentative report
    • †
  • †
    • †
  • – tentative report
  • †
    • †
  • Restoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus
    †Scapanorhynchus
    • †Scapanorhynchus texanus
    • †
  • †Scapherpeton
  • †Scaphites
    • † – type locality for species
    • †
    • †Scaphites hippocrepis - or unidentified loosely related form
    • †
    • †Scaphites warreni
    • †
  • †Schizobasis
  • – tentative report
    • †
  • †
    • †
  • Fossilized snout of the Late Cretaceous ray relative Sclerorhynchus
    †Sclerorhynchus
    • † – type locality for species
  • †Scolomastax – type locality for genus[6]
    • † – type locality for species[7]
  • Scyliorhinus
    • † – type locality for species
  • †Selaginella – or unidentified comparable form
  • †
  • †Seminola – tentative report
  • †
    • †
  • †Semionotus – or unidentified comparable form
  • †Senis
    • †
    • †
  • Serpula
    • †
    • †
    • †
  • †Serratolamna
    • †Serratolamna serrata
  • †Sexta
    • †
    • †
  • †
    • †
    • †
  • †
  • Life restoration of the Late Triassic distant crocodilian relative Shuvosaurus
    †Shuvosaurus – type locality for genus
    • †Shuvosaurus inexpectatus – type locality for species
  • †Siderastrea
    • † – type locality for species
  • †
    • †
  • †Sierritasuchus – type locality for genus
    • †Sierritasuchus macalpini – type locality for species
  • †
    • †
  • †
    • †
  • Fossils of the Cambrian-modern worm burrow ichnogenus Skolithos
    †Skolithos
    • † – type locality for species
  • †
    • †
  • Solemya
    • † – tentative report
  • †
    • †
    • †
    • †
  • ���Solyma
    • †
    • †
    • †
    • †
    • †
  • † – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
  • †
    • †
  • Opalized shell of the Late Cretaceous ammonoid cephalopod Sphenodiscus
    †Sphenodiscus
    • †
    • †Sphenodiscus lobatus
    • †Sphenodiscus pleurisepta
    • †
  • †Spinosuchus – type locality for genus
    • †Spinosuchus caseanus – type locality for species
  • † Spironema
    • †
    • †
    • †
  • Spondylus
    • †
    • †
    • † – type locality for species
  • Fossilized tooth of the Late Cretaceous shark Squalicorax
    Squalicorax
    • †Squalicorax kaupi
    • †Squalicorax pristodontus
  • Squalus
    • † – type locality for species
  • †
    • † – type locality for species
  • †Squatirhina
    • †Squatirhina americana
  • †
  • †
    • †
  • †
    • †
  • †
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
  • †
  • †
    • †
  • – tentative report
  • † – tentative report
    • † – type locality for species
  • †
    • †
    • † – type locality for species
    • †
    • †
    • † – type locality for species
  • Stomatopora
  • † – tentative report
  • Striarca
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
  • Life restoration of the Late Cretaceous ostrich dinosaur Struthiomimus
    †Struthiomimus – or unidentified comparable form
  • †
  • †
    • †
  • †
    • †
    • †
    • †
    • †
  • † – tentative report
    • †

T[]

  • † – tentative report
  • †
    • †
  • †
    • †
  • †
    • †
    • †
  • †Tarsomordeo – type locality for genus[8]
    • † – 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
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
  • †Tenea
    • †
    • †
  • Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
    †Tenontosaurus
    • †Tenontosaurus dossi – type locality for species
  • †
  • †
    • †
    • †
  • Terebratulina
    • †
    • †
  • †
    • †
  • 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
  • †
    • † – type locality for species
  • † – type locality for genus
    • † – type locality for species
  • †Texacephale – type locality for genus
    • †Texacephale langstoni – type locality for species
  • †
  • †
    • †
    • †
    • †
  • †Texasetes – type locality for genus
    • †Texasetes pleurohalio – type locality for species
  • †
    • †
  • †
    • †
  • †Texigryphaea
    • †
  • †
    • †
  • Fossilized shell of the Carboniferous-modern foraminiferan Textularia
    Textularia
    • †
    • †
  • †Thamnasteria
    • † – type locality for species
  • †Thamnoseris – tentative report
    • † – type locality for species
  • † – tentative report
  • †Thomasites
    • †
  • †
  • †[10]
    • † – type locality for species[10]
  • †
    • †
  • †
  • † – type locality for genus
    • † – type locality for species
  • † – tentative report
    • †
  • †
    • † – or unidentified comparable form
  • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
  • †
    • †
  • †
    • †
  • Trachycardium
    • †Trachycardium eufaulensis
    • †
  • †
    • † – type locality for species
    • †
    • †
  • Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
    †Triceratops
    • † – or unidentified comparable form
  • † – tentative report
  • †Trigonia
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • †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
  • † – type locality for genus
    • † – type locality for species
  • †Triodus
    • †
  • †Triopticus – type locality for genus
    • † – type locality for species
  • †
    • †
    • †
  • Fossilized shell in multiple views of the Early-Late Cretaceous sea snail Trochactaeon
    †Trochactaeon
    • †
  • Trochocyathus
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
    • † – type locality for species
    • †
  • †
    • † – type locality for species
  • †
    • † – type locality for species
  • †
    • †
    • †
  • Tryonia
    • †
  • †
    • †
    • †
    • †
  • †
    • † – or unidentified comparable form
  • †Turrilites
    • †Turrilites acutus
    • †
  • Fossilized shells of the Late Jurassic-modern tower snail Turritella
    Turritella
    • †
    • †Turritella bilira
    • †
    • †Turritella forgemoli – or unidentified comparable form
    • †Turritella hilgardi
    • †
    • †
    • †
    • †Turritella paravertebroides
    • †
    • †
    • †
    • †Turritella trilira
    • †Turritella vertebroides
    • †
    • †
  • †Turseodus – tentative report
  • †Tylosaurus
    • †Tylosaurus kansasensis
    • †Tylosaurus nepaeolicus
    • †Tylosaurus proriger – or unidentified comparable form
  • †Typothorax
  • Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
    †Tyrannosaurus

U[]

  • †
  • †Uktenadactylus
    • †Uktenadactylus wadleighi – type locality for species
  • †
    • †
  • Unio
  • A living Upogebia mud shrimp
    †Upogebia
    • †
  • †
    • † – tentative report
    • †
  • †
    • †
    • †
    • †

V[]

    • †
  • Life restoration of the Late Triassic reptile Vancleavea
    †Vancleavea
    • †Vancleavea campi
  • †Vascellum
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Vascoceras
    †Vascoceras
    • † – or unidentified comparable form
    • †
    • †
  • Venericardia
    • †
  • †
    • †
    • †
  • †
    • †
    • †
  • †
  • †Vinella
  • Shell of a Viviparus freshwater snail
    Viviparus – tentative report
  • Volsella
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
  • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
    • †
  • Vulsella
    • †
    • †

W[]

  • †
    • †
  • 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
  • †
    • †
  • †
    • †
  • †
    • †
  • †Woodbinesuchus – type locality for genus
    • †Woodbinesuchus byersmauricei – type locality for species
  • †
    • †
    • † – or unidentified comparable form
  • †Wrightoceras
    • †

X[]

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

Y[]

  • †Yezoites
    • †
  • Yoldia
    • †
    • †


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 (6): 461–498. doi:10.1080/14772019.2019.1625078. S2CID 202018197.
  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 (6): 461–498. doi:10.1080/14772019.2019.1625078. S2CID 202018197.
  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. ^ a b 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: 31–92. 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. 303 (4): 801–812. 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. 303 (4): 801–812. 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 (3): e1623226. doi:10.1080/02724634.2019.1623226. S2CID 198259867.
  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 (3): e1623226. doi:10.1080/02724634.2019.1623226. S2CID 198259867.
  10. ^ a b 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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