page_title: List of the prehistoric life of Louisiana
section_title: A
hierarchical_section_title: List of the prehistoric life of Louisiana / Cenozoic / A
caption_attribution_description: English: Acanthocardia aculeata, the spiny cockle, a bivalve from the family Cardiidae
context_page_description: This list of the prehistoric life of Louisiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Louisiana.
context_section_description: †Abderospira
  †Abderospira leblanci
  †Abderospira oviformis
  †Abderospira stewarti
  †Abdounia
  †Abdounia enniskilleni
  Abra
  †Abra nitens
   Acanthocardia
  †Acanthocardia tuomeyi
  †Aciculiscala
  †Aciculiscala jacobi
  Acirsa
  †Acirsa whitneyi
  Aclis – report made of unidentified related form or using admittedly obsolete nomenclature
  †Aclis modesta
  Acteon
  †Acteon annectens
  †Acteon idoneus
  †Acteon pomilius
  Actinocythereis
  †Actinocythereis rosefieldensis
  †Adeorbis
  †Adeorbis sylvaerupis – or unidentified comparable form
  Adrana
  †Adrana aldrichiana
   †Aepycamelus
  †Aesculiidites
  †Aesculiidites circumstriatus
  Aetobatus
  Agaronia
  †Agaronia media
  †Agaronia mississippiensis
  †Alatocythereis – tentative report
  Albula
  †Allomorone
  †Alnipollenites
  †Alnipollenites trina
  †Alnipollenites verus
   Alopias
  †Alopias latidens
  †Alveinus
  †Alveinus minutus
  †Alveinus sinutus
  Ammospermophilus – tentative report
  †Ampullina
  †Ampullina alabamiensis
  Anadara
  †Anadara vaughani
  Ancilla
  †Ancilla staminea
  Angulogerina
  †Angulogerina byramensis
  †Anisonchus
  †Anisonchus fortunatus – type locality for species
  Anomalinoides
  †Anomalinoides danvillensis
  Anomia
  †Anomia hammetti
  †Anomia lisbonensis
  †Anomia rufa
  Antalis
  †Antalis danvillense
  †Antalis minutistriatum
  †Antalis mississippiense
  Antrozous
  †Aphelops
  Aplodinotus
  †Aplodinotus distortus
  †Aplodinotus gemma
  Architectonica
  †Architectonica acuta
  †Architectonica alveatum
  †Architectonica amoena
  †Architectonica bellense
  †Architectonica bellistriata
  †Architectonica meekana
  †Architectonica ornata
  Arcopagia
  †Arcopagia eburneopsis
  †Arcopagia raveneli
  Arcoscalpellum
  †Arcoscalpellum jacksonensis
  †Arecipites
   Ariosoma
  Arius
  Articulina
  †Articulina byramensis
  Asterigerina
  †Asterigerina subacuta
  Asthenotoma
  †Asthenotoma danvitexa
  †Asthenotoma eximia
  †Asthenotoma strigosa
  Astrangia
  †Astrangia expansa
  †Astrangia ludoviciana – type locality for species
   Athleta
  †Athleta clayi
  †Athleta haleanus
  †Athleta petrosa
  †Athleta symmetricus
  †Athleta wheelockensis
  Atrina
  †Atrina gardnerae
  †Atrina gravida
  †Atrina jacksoniana
   †Aturia
  †Aturia garretti
  †Aturia laticlavia
  Atys
  †Atys robustoides – or unidentified comparable form
  †Atys salina
caption: Shell of an Acanthocardia cockle
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