title: List of the prehistoric life of Wisconsin
text: # List of the prehistoric life of Wisconsin
  
  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
  * Restoration of the Cambrian arthropod Aglaspis †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
     * Fossil of the Silurian trilobite Calymene celebra †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
  * Life restoration of two species of the Silurian trilobite Deiphon †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
  * Fossil of the Late Ordovician-Permian tabulate coral Favosites †Favosites
  * †Geisonocerina
  * †Hadromeros
  * †Halysites
  * †Harpidium
  * †Hexameroceras
  * †Holopea
  * †Howella
  * †Hyolithes
  * †Hypseloconus
  * †Illaenus
  * †Inversoceras
  * †Irvingella
  * †Isotelus
  * †Kionoceras
  * †Krausella
  * †Leonaspis
  * †Leurocycloceras
  * †Lingula
  * Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella †Lingulella
  * †Lonchocephalus
  * †Mackenziurus
  * †Marsupiocrinus
  * †Maryvillia
  * †Matthevia
  * †Meristina
  * †Michelinoceras
  * †Milaculum
  * †Monograptus
  * †Murchisonia
  * †Norwoodia
  * †Obolus
  * †Ophioceras
  * †Ozarkodina
  * †Pelagiella
  * †Pemphigaspis
  * †Pentamerus
  * †Pentlandia
  * Fossil of the Silurian-Carboniferous crinoid ("sea lily") Periechocrinus †Periechocrinus
  * †Phragmolites
  * †Plaesiomys
  * †Plagiostomoceras
  * †Planolites
  * †Platyceras
  * †Platystrophia
  * †Plectodonta
  * †Pleurodictyum
  * Pleurotomaria
  * †Polygrammoceras
  * †Proetus
  * †Sactorthoceras
  * Fossil of the Cambrian-Ordovician trilobite Saukiella †Saukiella
  * †Scutellum
  * †Similodonta
  * †Skenidioides
  * †Skolithos
  * †Sowerbyella
  * †Sphaerexochus
  * †Strophomena
     * †Strophomena costata
     * †Strophomena plattinensis
  * †Subulites
  * †Thalassinoides
  * Life restoration of the Silurian arthropod Thylacares †Thylacares – type locality for genus
     * †Thylacares brandonensis – type locality for species
  * †Uranoceras
  * †Westonia
  * †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
  * Illustration of a living Agathidium round fungus beetle Agathidium
  * Arpedium
  * Asaphidion
     * †Asaphidion yukonense
  * Bembidion
     * †Bembidion grapii
     * †Bembidion mutatum
  * Bledius
  * Byrrhus
  * Calathus
     * †Calathus ingratus
  * Carabus
     * †Carabus taedatus
  * Cercyon
     * †Cercyon herceus
  * A living Chironomus midge 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
     * Restoration of a herd of Mammuthus primigenius, or wooly mammoths †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
  * A living Sitona weevil Sitona
  * Stenus
  * Trechus
     * †Trechus apicalis
  