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List of the prehistoric life of Arkansas facts for kids

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This list of the prehistoric life of Arkansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arkansas.

Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.

Paleozoic

Selected Paleozoic taxa of Arkansas

  • Adnatoceras
  • Amphiscapha
  • Amplexus
  • Ananaspis
  • Anthracoceras
  • Aphelaeceras
  • Arcanoceras
  • Archaeocidaris
  • Archaeolithophyllum – tentative report
  • Fenestellidae - Archimedes species
    Fossils of the Carboniferous-Permian bryozoan Archimedes
    Archimedes
  • Archimylacris
  • Arkanites
  • Athyris
  • Atrypa
  • Aviculopecten
    • Aviculopecten inspeciosus
    • Aviculopecten jennyi
    • Aviculopecten morrowensis
    • Aviculopecten squamula
  • Avonia
  • Axinolobus
  • Bactritimimus
  • Baschkirites
  • Bellerophon
    • Bellerophon welshi
  • Bisatoceras
  • Bistrialites
  • Branneroceras
  • Cancelloceras
  • Cavusgnathus
  • Cheirurus
  • Chonetes
  • Cleiothyridina
  • Composita
  • Cornuproetus
  • Cravenoceras
  • Cypricardinia – tentative report
  • SilurianTrilobite
    Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites
    Dalmanites – type locality for genus
  • Deiphon
  • Delops
  • Diacalymene
  • Dicoelosia
  • Dolorthoceras
  • Echinaria
  • Edmondia
  • Encrinurus
  • Endolobus
  • Eophacops
  • Eospirifer
  • Eowellerites
  • EucalyptocrinitesCalyx
    Fossilized calyx of the Silurian-Middle Devonian crinoid ("sea lily") Eucalyptocrinites
    Eucalyptocrinites
  • Euomphalus
  • Gastrioceras
  • Gastrochaenolites
  • Girvanella
  • Glyptambon – type locality for genus
  • Glyptopleura
  • Gnathodus
  • Goniatites
    • Goniatites crenistria – or unidentified related form
  • Hematites
  • Irvingella
  • Kazakhstania – tentative report
  • Lingula
  • Liroceras – tentative report
  • Mariceras
  • Meristina
  • Metacoceras discoideum 01
    Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras
    Metacoceras
  • Michelinoceras
  • Naticopsis
  • Ozarcus – type locality for genus
    • Ozarcus mapesae – type locality for species
  • Pachylyroceras
  • Paladin
  • Paleoconus
  • Paralegoceras
  • Pentremites
  • Peripetoceras
  • Platyceras
  • Plectodonta – tentative report
  • Plicochonetes
  • Posidonia
  • Proetus
  • Quinnites
  • Rayonnoceras
  • Sandia
  • Solenochilus
  • Solenomorpha
  • Cheiruridae - Sphaerexochus mirus cropped
    Fossil of the Middle Ordovician-Silurian trilobite Sphaerexochus
    Sphaerexochus
  • Spirifer
  • Stearoceras
  • Stigmaria
  • Stroboceras
  • Sutherlandia
  • Tesuquea
  • Triboloceras – tentative report
  • Tripteroceroides – tentative report
  • Trypanites
  • Tylonautilus
  • Valhallites
  • Wilkingia
  • Zia

Mesozoic

Selected Mesozoic taxa of Arkansas

  • Anomia
  • Baculites
    • Baculites crickmayi
    • Baculites ovatus
  • Botula
    • Botula conchafodentis
  • Sauropod Footprint
    Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus
    Brontopodus
  • Cadulus
  • Caestocorbula
    • Caestocorbula crassaplica
    • Caestocorbula crassiplica
  • Caryophyllia
  • Cirroceras
  • Cliona
  • Corbicula
  • Crenella
    • Crenella serica
  • Cucullaea labiata 3
    Shell of a Cucullaea, or false ark shell
    Cucullaea
    • Cucullaea capax
  • Cylichna
  • Cymella
  • Dentalium
    • Dentalium leve
  • Desmophyllites
  • Didymoceras
    • Didymoceras binodosum
    • Didymoceras platycostatum
  • Discoscaphites
    • Discoscaphites conradi
  • Douvilleiceras
  • Echinocorys
  • Eutrephoceras
  • Exogyracostata
    Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
    Exogyra
    • Exogyra costata
    • Exogyra ponderosa
  • Gaudryceras
  • Heminautilus
  • Hoploscaphites
  • Inoceramus
  • Jeletzkytes
    • Jeletzkytes nodosus
  • Limatula
  • Linthia
  • Mathilda
  • Menuites
  • Micraster
  • Micropora – tentative report
  • Naomichelys
  • Nostoceras
    • Nostoceras approximans
  • Pachydiscus
  • Panopea
  • Placenticeras
  • Platecarpus tympaniticus
    Restoration of the Late Cretaceous mosasaur Platecarpus
    Platecarpus
  • Protocardia
  • Pteria
  • Pterotrigonia
    • Pterotrigonia thoracica
  • Pycnodonte
    • Pycnodonte vesicularis
  • Serpula
  • Sphenodiscus
  • Spondylus
  • Stylina
  • Tenea
  • Thamnasteria
  • Toxochelys
    Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys
    Toxochelys – type locality for genus
    • Toxochelys latiremis – type locality for species
  • Trachycardium
  • Turritella
    • Turritella bilira
    • Turritella trilira
  • Uhligella – tentative report

Cenozoic

Selected Cenozoic taxa of Arkansas

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List of the prehistoric life of Arkansas Facts for Kids. Kiddle Encyclopedia.