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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

Main article: List of the Paleozoic life of Arkansas

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

Main article: List of the Mesozoic life of Arkansas

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

Main article: List of the Cenozoic life of Arkansas

Selected Cenozoic taxa of Arkansas

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