page_title: List of the Mesozoic life of Texas
section_title: A
hierarchical_section_title: List of the Mesozoic life of Texas / A
caption_attribution_description: English: Reconstruction of the skull of Angulomastacator daviesi. All that is known of the holotype is one distinctive maxilla, which has a great ventral deflection.
context_page_description: 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.
context_section_description: † 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
   †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
   †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 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
   †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
   †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
   †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
  †Aquilarhinus palimentus – type locality for species
  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
caption: Reconstructive illustration of a fossilized skull of the Late Cretaceous duck-billed dinosaur Angulomastacator
exif: {}