List of the prehistoric life of Arkansas

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

• 

  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

• 

  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

• 

  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

• 

  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

• 

  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

• 

  Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus

  † Brontopodus
• Cadulus
• Caestocorbula
  • † Caestocorbula crassaplica
  • † Caestocorbula crassiplica
• Caryophyllia
• † Cirroceras
• Cliona
• Corbicula
• † Crenella
  • † Crenella serica

• 

  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

• 

  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

• 

  Restoration of the Late Cretaceous mosasaur Platecarpus

  † Platecarpus
• † Protocardia
• † Pteria
• † Pterotrigonia
  • † Pterotrigonia thoracica
• Pycnodonte
  • † Pycnodonte vesicularis
• Serpula
• † Sphenodiscus
• Spondylus
• † Stylina
• † Tenea
• † Thamnasteria

• 

  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

• Acteon
• Agaronia
• Antalis
• Architectonica
• Arius – or unidentified comparable form
• Astrangia
• Athleta
• Barbatia

• 

  Life restoration of the Eocene whale Basilosaurus

  † Basilosaurus
  • † Basilosaurus cetoides
• Blarina
  • † Blarina brevicauda
• † Bootherium
  • † Bootherium bombifrons
• Brachidontes
• † Brachyprotoma
  • † Brachyprotoma obtusata
• Bullia
• Caestocorbula
• Canis

  • 

    Illustration of a fossilized cranium of the Pleistocene Canis armbrusteri , or Armbruster's wolf

    † Canis armbrusteri
  • † Canis latrans
• Carcharhinus
• Carcharias
• Castor
  • † Castor canadensis
• Cervus
• Chlamys
• Clavilithes
• Coluber

  • 

    A living Coluber constrictor , or eastern racer

    † Coluber constrictor – or unidentified comparable form
• Conomitra
• Conus
• Corbula
• Crassostrea
• Crotalus
• Cytherea – report made of unidentified related form or using admittedly obsolete nomenclature
• Dasyatis
• Dentalium
• † Diaphyodus
• Epitonium
• Eptesicus
  • † Eptesicus fuscus
• Equus

  • 

    Restoration of the Pliocene-Holocene horse Equus scotti , or Scott's horse

    † Equus scotti – tentative report
• Erethizon
  • † Erethizon dorsatum
• Galeocerdo
• Galeodea
• Galeorhinus
• Geomys
  • † Geomys bursarius
• Ginglymostoma
• Hemipristis
  • † Hemipristis curvatus
• Hemisinus
• Hexaplex

• 

  A living Iridomyrmex , or rainbow ant

  † Iridomyrmex
  • † Iridomyrmex mapesi – type locality for species
• † Lacunaria
• Latirus
• Lepisosteus
• Lepus
  • † Lepus alleni
  • † Lepus americanus – tentative report
• † Linthia
• Lynx
  • † Lynx rufus
• † Mammuthus

  • 

    Mounted fossilized skeleton of a Mammuthus columbi or Columbian mammoth

    † Mammuthus columbi
• Marmota
  • † Marmota monax
• Mephitis
  • † Mephitis mephitis
• Mesalia
• Microtus
• † Miracinonyx
  • † Miracinonyx studeri
• Mustela
  • † Mustela richardsonii
• Myliobatis

• 

  Fossilized skeleton of the Pliocene-Holocene peccary Mylohyus

  † Mylohyus
  • † Mylohyus fossilis
• Myotis
• Mytilus
• Nassarius
• Neogale
  • † Neogale frenata
  • † Neogale vison
• Neotoma
• Nucula
• Odocoileus
  • † Odocoileus virginianus
• Ondatra
• Ostrea
• † Pachecoa
• Panthera

  • 

    A living Panthera onca , or jaguar

    † Panthera onca
• Pekania
• Peromyscus
• Pitar
• Pituophis
• Pitymys
• Pleuromeris
• Polinices

• 

  A living Pristis sawfish

  Pristis
• Procyon
  • † Procyon lotor
• Propeamussium
• † Protocardia – report made of unidentified related form or using admittedly obsolete nomenclature
• Pseudoliva
• Reithrodontomys
• Retusa
• Scalopus
  • † Scalopus aquaticus
• † Sinistrella

• 

  Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon

  † Smilodon
  • † Smilodon fatalis
• Sorex
  • † Sorex cinereus
  • † Sorex fumeus
  • † Sorex minutus
  • † Sorex monticolus
• Spermophilus
  • † Spermophilus tridecemlineatus – tentative report
• Sphyraena
• Spilogale
  • † Spilogale putorius – tentative report

• 

  Shell of a Spisula , or surf clam

  Spisula
• Sylvilagus
  • † Sylvilagus floridanus – tentative report
• Tamiasciurus
  • † Tamiasciurus hudsonicus
• Terebra
• Teredo
• Trichiurus
• Turritella
• Urocyon

  • 

    A living Urocyon cinereoargenteus , or gray fox

    † Urocyon cinereoargenteus
• Ursus
  • † Ursus americanus
• Venericardia
• Vulpes
• Yoldia

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.