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
Selected Paleozoic taxa of Arkansas
- †Adnatoceras
- †Amphiscapha
- †Amplexus
- †Ananaspis
- †Anthracoceras
- †Aphelaeceras
- †Arcanoceras
- †Archaeocidaris
- Archaeolithophyllum – tentative report
†ArchimedesFossils of the Carboniferous-Permian bryozoan Archimedes - †Archimylacris
- †Arkanites
- †Athyris
- †Atrypa
- †Aviculopecten
- † Avonia
- †Axinolobus
- †Bactritimimus
- †Baschkirites
- †Bellerophon
- †Bisatoceras
- †Bistrialites
- †Branneroceras
- †Cancelloceras
- †Cavusgnathus
- †Cheirurus
- †Chonetes
- †Cleiothyridina
- †Composita
- †Cornuproetus
- †Cravenoceras
- †Cypricardinia – tentative report
†Dalmanites – type locality for genus
Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites - †Deiphon
- †Delops
- †Diacalymene
- †Dicoelosia
- †Dolorthoceras
- †Echinaria
- †Edmondia
- †Encrinurus
- †Endolobus
- †Eophacops
- †Eospirifer
- †Eowellerites
†Eucalyptocrinites
Fossilized calyx of the Silurian-Middle Devonian crinoid ("sea lily") 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
Fossilized shell of the Carboniferous-Permian nautiloid cephalopod 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
†Sphaerexochus
Fossil of the Middle Ordovician-Silurian trilobite 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
- Botula
†Brontopodus
Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus - Cadulus
- Caestocorbula
- Caryophyllia
- †Cirroceras
- Cliona
- Corbicula
- †Crenella
CucullaeaShell of a Cucullaea, or false ark shell - Cylichna
- †Cymella
- †Dentalium
- †Desmophyllites
- †Didymoceras
- †Discoscaphites
- †Douvilleiceras
- †Echinocorys
- †Eutrephoceras
†ExogyraInterior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra - †Gaudryceras
- †Heminautilus
- †Hoploscaphites
- †Inoceramus
- †Jeletzkytes
- Limatula
- †Linthia
- †Mathilda
- †Menuites
- †Micraster
- Micropora – tentative report
- †Naomichelys
- †Nostoceras
- †Pachydiscus
- Panopea
- †Placenticeras
†Platecarpus
Restoration of the Late Cretaceous mosasaur Platecarpus - †Protocardia
- †Pteria
- †Pterotrigonia
- Pycnodonte
- Serpula
- †Sphenodiscus
- Spondylus
- †Stylina
- †Tenea
- †Thamnasteria
†Toxochelys – type locality for genus
Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys - †Toxochelys latiremis – type locality for species
- Trachycardium
- Turritella
- †Uhligella – tentative report
Cenozoic
Selected Cenozoic taxa of Arkansas
- Acteon
- Agaronia
- Antalis
- Architectonica
- Arius – or unidentified comparable form
- Astrangia
- Athleta
- Barbatia
†Basilosaurus
Life restoration of the Eocene whale Basilosaurus - Blarina
- †Bootherium
- Brachidontes
- †Brachyprotoma
- Bullia
- Caestocorbula
- Canis
†Canis armbrusteri
Illustration of a fossilized cranium of the Pleistocene Canis armbrusteri, or Armbruster's wolf - †Canis latrans
- Carcharhinus
- Carcharias
- Castor
- Cervus
- Chlamys
- Clavilithes
- Coluber
†Coluber constrictor – or unidentified comparable form
A living Coluber constrictor, or eastern racer
- Conomitra
- Conus
- Corbula
- Crassostrea
- Crotalus
- Cytherea – report made of unidentified related form or using admittedly obsolete nomenclature
- Dasyatis
- Dentalium
- †Diaphyodus
- Epitonium
- Eptesicus
- Equus
†Equus scotti – tentative report
Restoration of the Pliocene-Holocene horse Equus scotti, or Scott's horse
- Erethizon
- Galeocerdo
- Galeodea
- Galeorhinus
- Geomys
- Ginglymostoma
- Hemipristis
- Hemisinus
- Hexaplex
†Iridomyrmex
A living Iridomyrmex, or rainbow ant - †Iridomyrmex mapesi – type locality for species
- †Lacunaria
- Latirus
- Lepisosteus
- Lepus
- †Lepus alleni
- †Lepus americanus – tentative report
- †Linthia
- Lynx
- †Mammuthus
†Mammuthus columbiMounted fossilized skeleton of a Mammuthus columbi or Columbian mammoth
- Marmota
- Mephitis
- Mesalia
- Microtus
- †Miracinonyx
- Mustela
- Myliobatis
†Mylohyus
Fossilized skeleton of the Pliocene-Holocene peccary Mylohyus - Myotis
- Mytilus
- Nassarius
- Neogale
- Neotoma
- Nucula
- Odocoileus
- Ondatra
- Ostrea
- †Pachecoa
- Panthera
†Panthera onca_male_Three_Brothers_River_(cropped)_cropped.jpg)
A living Panthera onca, or jaguar
- Pekania
- Peromyscus
- Pitar
- Pituophis
- Pitymys
- Pleuromeris
- Polinices
Pristis
A living Pristis sawfish - Procyon
- Propeamussium
- †Protocardia – report made of unidentified related form or using admittedly obsolete nomenclature
- Pseudoliva
- Reithrodontomys
- Retusa
- Scalopus
- †Sinistrella
†Smilodon
Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon - Sorex
- Spermophilus
- †Spermophilus tridecemlineatus – tentative report
- Sphyraena
- Spilogale
- †Spilogale putorius – tentative report
SpisulaShell of a Spisula, or surf clam - Sylvilagus
- †Sylvilagus floridanus – tentative report
- Tamiasciurus
- Terebra
- Teredo
- Trichiurus
- Turritella
- Urocyon
†Urocyon cinereoargenteus.jpg)
A living Urocyon cinereoargenteus, or gray fox
- Ursus
- Venericardia
- Vulpes
- Yoldia
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved December 17, 2021.