List of the prehistoric life of Iowa

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

Precambrian

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

Paleozoic

Selected Paleozoic taxa of Iowa

†Acidaspis
Fossilized calyx and partial stem of the Devonian-Permian crinoid ("sea lily") Actinocrinites
†Actinocrinites
- †Actinocrinites gibsoni
- †Actinocrinites lowei
†Agassizodus
- †Agassizodus variabilis
†Aglaocrinus
†Amplexus
†Anataphrus
†Anomphalus
†Archaeogastropod
†Arctinurus
†Athyris
- †Athyris fultonensis – or unidentified comparable form
Fossilized shell of the Silurian-Late Devonian brachiopod Atrypa reticularis
†Atrypa
- †Atrypa reticularis
- †Atrypa reticularus
†Aviculopecten
†Bellerophon
†Bembexia
†Bothriocidaris
†Bumastus
†Calymene
†Camarotoechia
- †Camarotoechia chouteauensis
- †Camarotoechia tuta
†Cardiola
†Catenipora
†Ceratocephala
†Ceratopsis
†Ceraurus
†Charactoceras
Fossil of the Cambrian-Middle Devonian trilobite Cheirurus
†Cheirurus
†Chomatodus
- †Chomatodus inconstans
†Chonetes
- †Chonetes glenparkensis
- †Chonetes illinoisensis
- †Chonetes logani
- †Chonetes multicosta
- †Chonetes ornatus
†Cleiothyridina
- †Cleiothyridina incrassata – or unidentified comparable form
- †Cleiothyridina sublamellosa
†Climacograptus
†Coenites
Fossilized shell of the Late Devonian-Permian brachiopod Composita
†Composita
- †Composita humilis – tentative report
- †Composita trinuclea
†Conocardium
†Coolinia
†Cornulites
†Crania
†Crotalocrinites
†Curtognathus
†Cyathocrinites
†Cyclonema
†Cyphaspis
†Cypricardinia
†Cyrtolites
Fossilized shells of the Middle-Late Devonian brachiopod Cyrtospirifer
†Cyrtospirifer
- †Cyrtospirifer whitneyi
†Cystodictya
†Dalmanites
†Decadocrinus
†Deiphon
†Deltaherpeton – type locality for genus
†Dentalium
†Dicoelosia
†Dimerocrinites
†Diplograptus
- †Diplograptus modestus – or unidentified comparable form
†Discosorus
†Earlandia
Life restoration of the Late Devonian-Carboniferous Chimaera relative Edestus
†Edestus
†Edmondia
†Eldredgeops
- †Eldredgeops rana
†Ellesmeroceras
†Encrinurus
†Endoceras
Eocaudina
†Eodictyonella
†Eophacops
†Eospirifer
- †Eospirifer radiatus
†Eucalyptocrinites
†Euomphalus
†Favosites
†Fenestella
Front (left) and right side (right) views of an enrolled fossil of the Middle Ordovician-Silurian trilobite Flexicalymene
†Flexicalymene
†Goniatites
†Gravicalymene
†Greenops
†Grewingkia
†Gyroceras
†Hallopora
†Halysites
†Harpidium
†Heliophyllum
†Hexagonaria
†Hindia
†Holopea
†Huronia
†Hyolithes
†Icriodus
†Idiognathodus
Life restoration of the Carboniferous Chimaera relative Iniopteryx
†Iniopteryx
- †Iniopteryx rushlaui
†Iocrinus
†Isotelus
†Kayoceras
†Kionoceras
†Krausella
†Leptopora
†Lingula
†Manticoceras
†Marsupiocrinus
Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella
†Meristella
†Meristina
†Michelia
†Michelinoceras
†Murchisonia
†Mycterops
†Mystrocephala
†Naticopsis
- †Naticopsis depressa – type locality for species
†Neospirifer
Nucula
†Odontopleura
Life restoration of the Middle-Late Devonian lobe-finned fish Onychodus
†Onychodus
†Orthoceras
†Oulodus
†Ozarkodina
†Pachyphyllum
†Paladin
†Palmatolepis
†Peachocaris
†Pentamerus
†Pentremites
†Periechocrinus
Fossilized tooth of the Carboniferous-Permian shark Petalodus
†Petalodus
†Phacops
†Phillipsia
†Pinnocaris
†Plaesiomys
†Platyceras
†Platycrinites
†Platystrophia
†Plectodonta
†Pleurocystites
Pleurotomaria – tentative report
†Plicochonetes
†Poleumita
†Polygnathus
- †Polygnathus parawebbi
- †Polygnathus xylus
†Posidonia
†Proetus
Life restoration of the Late Devonian placoderm fish Ptyctodus
†Ptyctodus
†Rhynchodus
†Rigidella
†Scutellum
†Scytalocrinus
†Septemchiton
†Sigournea – type locality for genus
- †Sigournea multidentata – type locality for species
†Similodonta
†Skenidioides – tentative report
†Sowerbyella
†Sphenothallus
†Spirifer
- †Spirifer louisianensis
†Spiriferina
Spirorbis
†Spyroceras
Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus
†Stethacanthus
†Streptognathodus
†Strophomena
- †Strophomena costata
- †Strophomena erratica
†Stylonema – tentative report
†Syringopora
†Taxocrinus
†Tranodis
†Whatcheeria – type locality for genus
†Worthenia
†Youngia

Mesozoic

†Arcellites
- †Arcellites crillensis – type locality for species
- †Arcellites disciformis
†Balmeisporites
- †Balmeisporites auriculata – type locality for species
†Chrysotheca
- †Chrysotheca dakotaensis – type locality for species
- †Chrysotheca diskoensis
- †Chrysotheca levis
Coptothyris
- †Coptothyris dakotaensis – type locality for species
†Dunveganoceras
- †Dunveganoceras pondi
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
†Inoceramus
- †Inoceramus ginterensis
- †Inoceramus perfragilis
- †Inoceramus prefragilis
†Metengonoceras
- †Metengonoceras acutum
†Microcarpolithes
- †Microcarpolithes hexangulata
†Minerisporites
- †Minerisporites mirabilis
†Molaspora – type locality for genus
- †Molaspora lobata
- †Molaspora rugosa – type locality for species
†Perotrilites
- †Perotrilites bursatus – type locality for species
- †Perotrilites convolutus – type locality for species
†Pilularia
- †Pilularia globulifera
†Regnellidium
- †Regnellidium diphyllum
†Spermatites
- †Spermatites ellipticus
- †Spermatites elongatus

Cenozoic

Blarina
Life restoration of the Pliocene-Holocene camel Camelops
†Camelops
Canis
- †Canis latrans
- †Canis lupus
Castor
- †Castor canadensis
†Castoroides
- †Castoroides ohioensis
Didelphis
Equus
†Euceratherium – tentative report
- †Euceratherium collinum
Geomys
Lepus
Lontra
- †Lontra canadensis
†Mammut
- †Mammut americanum
†Mammuthus
- Life restorations of a Mammut americanum, or American mastodon (right), and a Mammuthus primigenius, or wooly mammoth (left)
  †Mammuthus primigenius
†Megalonyx
- †Megalonyx jeffersonii
Microtus
- †Microtus paroperarius
Mictomys
- †Mictomys meltoni
Odocoileus
Ondatra
Panthera
†Paramylodon
- †Paramylodon harlani
†Platygonus
Procyon
Rangifer
Sciurus
Sorex
- †Sorex dispar – or unidentified comparable form
Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon
†Stegomastodon
- †Stegomastodon aftoniae – type locality for species
Sylvilagus
Taxidea
- †Taxidea taxus
Ursus
- †Ursus americanus
Vulpes

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.

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