page_title: List of the prehistoric life of Texas
section_title: Selected Mesozoic taxa of Texas
hierarchical_section_title: List of the prehistoric life of Texas / Mesozoic / Selected Mesozoic taxa of Texas
caption_attribution_description: English: Life restoration of Pachygenelus monus.
context_page_description: This list of the prehistoric life of Texas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Texas.
context_section_description: †Acanthoceras
  †Acanthoceras adkinsi
  †Acanthoceras amphibolum
  †Acanthoceras barcusi
  †Acanthoceras eulessanum
  †Acanthoceras johnsonanum
  †Acanthoceras tarrantense
  †Acanthoceras wintoni
  †Acanthoceras worthense
  Acesta
  Acirsa
  Acmaea
  †Acompsoceras
   †Acrocanthosaurus
  †Acrocanthosaurus atokensis
  Acteon
  †Acteonella
  †Adelobasileus – type locality for genus
  †Adelobasileus cromptoni – type locality for species
  †Adkinsia
  †Adocus
  †Aenona
  †Aetodactylus – type locality for genus
  †Aetodactylus halli – type locality for species
  †Agerostrea
  †Agujaceratops
  †Agujaceratops mariscalensis – type locality for species
  †Akera
   †Alamosaurus
  †Alamosaurus sanjuanensis
  †Albanerpeton
  †Albanerpeton gracilis
  †Albanerpeton nexuosus
  †Allocrioceras
  Alnus
  †Alphadon
  †Alphadon halleyi – or unidentified comparable form
  †Ampullina – or unidentified comparable form
  Amusium
  †Anaklinoceras
  †Ancilla
  †Angistorhinus
  †Angistorhinus grandis
  †Angulomastacator – type locality for genus
  †Angulomastacator daviesi – type locality for species
  †Anisoceras
  Anomia
  †Anomoeodus
  †Anomotodon
  †Apachesaurus
  †Apachesaurus gregorii
  Arca
  Architectonica
   †Arganodus
  †Arganodus dorotheae – type locality for species
  Arrhoges
  †Aspidoceras
  Astarte
  Astrangia
  Astreopora – tentative report
  †Astroconodon – type locality for genus
  †Astroconodon denisoni – type locality for species
  †Astrodon
  †Astrodon johnstoni
  †Astrophocaudia – type locality for genus
  †Astrophocaudia slaughteri – type locality for species
  †Axonoceras
   †Baculites
  †Baculites aquilaensis - or unidentified loosely related form
  †Baculites haresi – or unidentified comparable form
  †Baculites ovatus
  †Baculites scotti
  †Baculites tippahensis
  †Baena – report made of unidentified related form or using admittedly obsolete nomenclature
  †Banis
  Barbatia – tentative report
  †Barroisiceras
  †Basilemys
  †Belemnitella
  †Belemnitella americana
  †Belodon
  †Belonostomus
  †Bernissartia – tentative report
  †Betelgeusia – type locality for genus
  †Betelgeusia reidi – type locality for species
  †Bostrychoceras
  Botula
  †Botula carolinensis
  †Botula conchafodentis
   †Brachauchenius
  †Brachauchenius lucasi
  Brachidontes
  †Brachychampsa
  †Brachysuchus – type locality for genus
  †Brachysuchus megalodon – type locality for species
  †Bravoceratops – type locality for genus
  †Bravoceratops polyphemus – type locality for species
   †Brontopodus – type locality for genus
  Busycon – tentative report
  Cadulus
  Caestocorbula
  †Caestocorbula crassaplica
  †Caestocorbula crassiplica
  †Caestocorbula suffalciata
  †Caestocorbula terramaria
  Callianassa
  †Calliomphalus
  †Calliomphalus americanus
  †Calyptosuchus – type locality for genus
  †Calyptosuchus wellesi – type locality for species
  Calyptraea
  Cancellaria
  Cantharus – tentative report
   †Caprina
  Capulus
  Carcharias
  †Caririchnium
  Carota
  Caryophyllia
  †Caseosaurus – type locality for genus
  †Caseosaurus crosbyensis – type locality for species
  †Casierius
  †Catactegenys – type locality for genus
  †Caturus
  †Caveola
  †Cedarosaurus
  †Cedarosaurus weiskopfae
   †Ceratodus
  Cerithiella
  †Cerithiella nodoliratum – or unidentified related form
  †Cerithiella semirugatum
  Cerithium
  †Chamops
  †Champsosaurus
  †Chindesaurus
  †Chindesaurus bryansmalli
  †Chinlea
  †Chirostenotes
  †Chupacabrachelys – type locality for genus
  Cidaris
  †Cimexomys
  †Cimoliasaurus
   †Cimoliopterus
  †Cimoliopterus dunni – type locality for species
  †Cimolodon
  †Cimolodon electus – or unidentified comparable form
  †Cimolomys
  †Cimolomys clarki
  †Clevosaurus – or unidentified comparable form
  †Clidastes
  †Clidastes liodontus
  Cliona
  †Coahomasuchus – type locality for genus
  †Coahomasuchus kahleorum – type locality for species
  †Coelodus
  †Coelophysis
  †Coilopoceras
  †Coilopoceras springeri
   †Collignoniceras
  †Collignoniceras woollgari
  †Colognathus – type locality for genus
  †Coniasaurus
  †Continuoolithus
  †Conulus
  Corbicula
  Corbula
  †Coupatezia
  Crassostrea
  †Crenella
  †Crenella elegantula
  †Crenella serica
   †Cretolamna
  †Cretolamna appendiculata
  †Cretorectolobus
  †Cretorectolobus olsoni – or unidentified comparable form
  †Crosbysaurus – type locality for genus
  †Crosbysaurus harrisae – type locality for species
  Cucullaea
  †Cucullaea capax
  †Cucullaea p
caption: Restorative portrait of the Early Jurassic synapsid (mammal precursor) Pachygenelus
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