This list of the prehistoric life of Wisconsin contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wisconsin.
Precambrian The Paleobiology Database records no known occurrences of Precambrian fossils in Wisconsin.
Paleozoic
Selected Paleozoic taxa of Wisconsin †Acernaspis †Acidaspis †Actinoceras †Aglaspis †Agraulos †Amplexopora †Amplexus †Arctinurus †Athyris †Atrypa †Atrypa reticularis – tentative report †Bumastus †Bumastus armatus †Bumastus cuniculus †Bumastus dayi †Bumastus ioxus †Bumastus niagarensis †Bumastus tenuis †Calymene †Calymene celebra †Catenipora †Cedaria †Ceratocephala †Ceraurus †Cheirurus †Chippewaella – type locality for genus †Chondrites †Chonetes †Conchidium †Conocoryphe †Coolina †Coolinia †Coosia †Corbina †Cornulites †Crepicephalus †Crotalocrinites †Cyathocrinites – tentative report †Cycloceras †Cypricardinia †Dalmanites †Deiphon †Dendrograptus †Dicoelosia †Dikelocephalus †Dimerocrinites †Dimerocrinites occidentalis †Distomodus †Distyrax †Dresbachia †Echinochiton – type locality for genus †Echinochiton dufoei – type locality for species †Ellesmeroceras †Ellipsocephalus †Elrodoceras †Encrinurus †Entomaspis †Eophacops †Eophacops handwerki †Eospirifer †Eospirifer radiatus †Eucalyptocrinites †Eucalyptocrinites crassus †Favosites †Geisonocerina †Hadromeros †Halysites †Harpidium †Hexameroceras †Holopea †Howella †Hyolithes †Hypseloconus †Illaenus †Inversoceras †Irvingella †Isotelus †Kionoceras †Krausella †Leonaspis †Leurocycloceras †Lingula †Lingulella †Lonchocephalus †Mackenziurus †Marsupiocrinus †Maryvillia †Matthevia †Meristina †Michelinoceras †Milaculum †Monograptus †Murchisonia †Norwoodia †Obolus †Ophioceras †Ozarkodina †Pelagiella †Pemphigaspis †Pentamerus †Pentlandia †Periechocrinus †Phragmolites †Plaesiomys †Plagiostomoceras †Planolites †Platyceras †Platystrophia †Plectodonta †Pleurodictyum Pleurotomaria †Polygrammoceras †Proetus †Sactorthoceras †Saukiella †Scutellum †Similodonta †Skenidioides †Skolithos †Sowerbyella †Sphaerexochus †Strophomena †Strophomena costata †Strophomena plattinensis †Subulites †Thalassinoides †Thylacares – type locality for genus †Thylacares brandonensis – type locality for species †Uranoceras †Westonia †Waukeshaaspis †Whitfieldia †Wurmiella †Wurmiella excavata
Mesozoic The Paleobiology Database records no known occurrences of Mesozoic fossils in Wisconsin.
Cenozoic Acidota †Acidota quadrata Aegialia †Aegialia lacustris †Aegialia terminalis Agathidium Arpedium Asaphidion †Asaphidion yukonense Bembidion †Bembidion grapii †Bembidion mutatum Bledius Byrrhus Calathus †Calathus ingratus Carabus †Carabus taedatus Cercyon †Cercyon herceus Chironomus – or unidentified comparable form Conophthorus †Conophthorus coniperda – or unidentified comparable form Copromyza Cryptophagus Curimopsis Cytilus Dyschirius Eusphalerum – or unidentified comparable form Formica Helina – or unidentified comparable form †Mammuthus †Mammuthus primigenius Mecopeltus – or unidentified comparable form Myrmica Negastrius Notiophilus †Notiophilus directus Ochthebius Olophrum Pediacus †Pediacus fuscus Phloeosinus †Phloeosinus pini Phloeotribus †Phloeotribus piceae Pityophthorus †Pityophthorus puberulus Polygraphus †Polygraphus rufipennis Pterostichus – or unidentified comparable form Quedius †Quedius uteanus Scolytus †Scolytus piceae Simplocaria †Simplocaria tessellata Sitona Stenus Trechus †Trechus apicalis
References
Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved December 17, 2021.





