This list of the Paleozoic life of Wisconsin contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wisconsin and are between 538.8 and 252.17 million years of age.

A

  • †Acernaspis
  • †Acheilops
  • †Acheronauta- type locality of the genus
  • †Acidaspis
  • †Acrotreta
  • †Actinoceras
  • †Actinopteria
    • †Actinopteria brisa
  • †Actinurus
  • Life restoration of the Cambrian arthropod Aglaspis
    †Aglaspis
  • †Agraulos
    • †Agraulos woosteri
  • †Alveolites
  • †Amphicoelia
    • †Amphicoelia leidyi
  • †Amphicyrtoceras
    • †Amphicyrtoceras laterale
    • †Amphicyrtoceras orcas
  • †Amplexopora
    • †Amplexopora minnesotensis
  • †Amplexus
    • †Amplexus fenestratus
  • †Anastrophia
    • †Anastrophia internascens
  • †Anatolepis – tentative report
    • †Anatolepis heintzi
  • †Ancrinurus
    • †Ancrinurus nereus
  • †Antirhynchonella
    • †Antirhynchonella ventricosa
  • †Arcadiaspis – type locality for genus
    • †Arcadiaspis bispinata – type locality for species
  • †Archinacella – type locality for genus
    • †Archinacella powersi – type locality for species
  • Fossil of the Silurian trilobite Arctinurus
    †Arctinurus
  • †Arctunurus
  • †Arenosicaris
  • †Arenosicaris- Type locality for the genus
  • †Armonia
  • †Ascoceras
    • †Ascoceras croneisi
  • †Aspeluindia
    • †Aspeluindia fluegeli
  • †Astraeospongium
  • †Athyris
    • †Athyris vittara
  • †Atrpina
    • †Atrpina magnaventra
  • †Atrypa
  • †Atrypina
    • †Atrypina magnaventra

B

C

  • †Calliocrinus
    • †Calliocrinus cornatus
    • †Calliocrinus cornutus
    • †Calliocrinus longispinus – or unidentified comparable form
  • †Calvinella
    • †Calvinella wisconsinensis – or unidentified comparable form
  • †Calymene
  • †Camaraspis
  • †Camerella
  • †Campylorthis
    • †Campylorthis deflecta
  • †Capelliniella
    • †Capelliniella mira
  • †Caryocrinites
    • †Caryocrinites ornatus – or unidentified comparable form
  • †Catenipora
  • †Cedaria
  • †Ceratocephala
    • †Ceratocephala goniata
  • †Cerauromerus
    • †Cerauromerus hydei
  • †Ceraurus
    • †Ceraurus hydei
    • †Ceraurus plattinensis
  • †Ceratiocaris
  • †Cheirurus
    • †Cheirurus niagarensis
  • †Chippewaella – type locality for genus
    • †Chippewaella patellitheca – type locality for species
  • †Climactichnites
    Illustration of a fossil of the Cambrian-modern burrow ichnogenus Chondrites
  • †Chondrites
  • †Chonetes
    • †Chonetes schucherti
  • †Clathrospira
    • †Clathrospira subconica
  • †Conaspis
  • †Conchidium
    • †Conchidium multicostatum
  • †Conocoryphe
  • †Conotoma
    • †Conotoma bispiralis
  • †Conularia
  • †Coolina
    • †Coolina subplana
  • †Coolinia
    • †Coolinia applanata
    • †Coolinia subplana
  • †Coosia
  • †Corbina
  • †Corbinia
    • †Corbinia burkhalteri – type locality for species
  • Fossil of the Middle Ordovician-Carboniferous horn coral Cornulites
    †Cornulites
  • †Corynotrypa
    • †Corynotrypa abrupta
  • †Cranaena
    • †Cranaena subovata
    • †Cranaena thomasi
  • †Crateroceras
    • †Crateroceras raymondi
  • †Crepicephalus
  • †Crotalocrinites
    • †Crotalocrinites cora
  • †Ctenodonta
    • †Ctenodonta nasuta
  • †Cupulocrinus
    • †Cupulocrinus levorsoni
  • †Cyathaxonia
    • †Cyathaxonia wisconsinensis
  • †Cyathocrinites – tentative report
    • †Cyathocrinites vanhornei
  • †Cycloceras
    • †Cycloceras niagarense
  • †Cypricardinia
    • †Cypricardinia arata
  • †Cyrtia
    • †Cyrtia meta
  • †Cyrtina
    • †Cyrtina triqueira
    • †Cyrtina umbonata
  • †Cyrtocerina
    • †Cyrtocerina crenulata – type locality for species
  • †Cyrtodonta
    • †Cyrtodonta huronensis
  • †Cyrtorizoceras
    • †Cyrtorizoceras dardanus
    • †Cyrtorizoceras fosteri
    • †Cyrtorizoceras lucillum
    • †Cyrtorizoceras unguicurvatum
  • †Cyrtospira
    • †Cyrtospira ventricosus
  • †Cystiphyllum
    • †Cystiphyllum niagarense

D

  • †Dalejina
  • Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites
    †Dalmanites
    • †Dalmanites illinoiensis
    • †Dalmanites illinoisensis
    • †Dalmanites platycaudatus
  • †Dawsonoceras
    • †Dawsonoceras nodocostatum
  • †Decoriconus
    • †Decoriconus fragilis
  • †Decoroproetus
  • †Deiphon
    • †Deiphon americanus
  • †Dendrograptus
  • †Desquamatia
  • †Dicellomus
  • †Dicoelosia
    • †Dicoelosia biloba
  • †Dicranopeltis
    • †Dicranopeltis decipiens
    • †Dicranopeltis greeni
    • †Dicranopeltis nasuta
  • Illustration of the fossilized pygidium (tail segment) of the Cambrian trilobite Dikelocephalus
    †Dikelocephalus
    • †Dikelocephalus minnesotensis
  • †Dimerocrinited
    • †Dimerocrinited pentangularis
  • †Dimerocrinites
  • †Dinobolus
    • †Dinobolus conradi
  • †Dinorthis
  • †Diplotrypa
  • †Distomodus
    • †Distomodus stenolophata
  • †Distyrax
  • †Dolerorthis
  • †Dresbachia
  • †Dudleyaspis

E

F

  • Fossil of the Late Ordovician-Permian tabulate coral Favosites
    †Favosites
  • †Foerstephyllum
  • †Fusispira
    • †Fusispira schucherti – type locality for species
    • †Fusispira ventricosa

G

  • †Gabriceraurus
  • †Geisonocerina
    • †Geisonocerina wauwatosense
  • †Glomospirella
    • †Glomospirella exserta
  • †Gomophocystites
    • †Gomophocystites glans
  • †Gomphocystites
    • †Gomphocystites glans
  • †Goniophora
    • †Goniophora quadrilatera
  • †Gyronema
    • †Gyronema pulchellum – type locality for species
    • †Gyronema semicarinatum

H

  • †Hadromeros
    • †Hadromeros welleri
  • †Hallicystis
    • †Hallicystis imago
  • Fossil of the Ordovician-Silurian tabulate coral Halysites
    †Halysites
  • †Harpidella
  • †Harpidium
    • †Harpidium racinensis
  • †Harrisoceras
    • †Harrisoceras orthoceroides
  • †Hedeina
  • †Helicotoma
    • †Helicotoma planulata
    • †Helicotoma umbilicata
  • †Heliolites
  • †Hesperorthis
    • †Hesperorthis concava
    • †Hesperorthis tricenaria
  • †Heterocladus- Type locality for the genus
  • †Hexameroceras
    • †Hexameroceras septoris
  • †Hineacrinus
    • †Hineacrinus angusta – or unidentified comparable form
  • †Holocystites
    • †Holocystites abnormis
    • †Holocystites alternatus
    • †Holocystites cylindricus
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    †Holopea
    • †Holopea ampla
    • †Holopea guelphensis
  • †Hormotoma
    • †Hormotoma gracilis
  • †Housia
  • †Howella
  • †Howellella
  • †Huenella
  • Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha
    †Hyolithes
  • †Hypseloconus
  • †Hypsiptycha

I

  • †Ichyocrinus
    • †Ichyocrinus subangularis
  • †Idahoia
  • †Illaenoides
    • †Illaenoides triloba
  • †Illaenurus
  • †Illaenus
  • †Inversoceras
    • †Inversoceras dayi
  • †Irvingella
  • †Ischadites
    • †Ischadites tenuis
  • †Isorthis
    • †Isorthis clivosa
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    †Isotelus
    • †Isotelus simplex

J

  • †Janius
    • †Janius nobilis
  • †Januns
    • †Januns nobilis
  • †Jonesea

K

  • Fossilized shells of the Middle Ordovician-Permian nautiloid cephalopod Kionoceras
    †Kionoceras
    • †Kionoceras scammoni
  • †Kosovopeltis
    • †Kosovopeltis acamas
    • †Kosovopeltis acamus
  • †Krausella

L

  • Lagenammina
  • †Lambeophyllum
    • †Lambeophyllum profundum
  • †Lampterocrinus
    • †Lampterocrinus inflatus
  • †Leangella
    • †Leangella dissiticostella
  • †Lecanocrinus
    • †Lecanocrinus waucoma
    • †Lecanocrinus waukoma
  • †Lechritrochoceras
    • †Lechritrochoceras desplainense
  • Fossil of the Late Ordovician-Middle Devonian trilobite Leonaspis
    †Leonaspis
  • †Leperditella
    • †Leperditella germana
  • †Lepidocyclus
  • †Leptaena
    • †Leptaena depressa
    • †Leptaena rhomboidalis
  • †Leptodesma
    • †Leptodesma actualaris
  • †Leptotrypa
    • †Leptotrypa hexagonalis
  • †Lesueurilla
    • †Lesueurilla beloitensis
  • †Leurocycloceras
    • †Leurocycloceras raymondi
  • †Levicyathocrinites – tentative report
    • †Levicyathocrinites vanhorni
  • †Lingula
    • †Lingula milwaukeensis
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    †Lingulella
  • †Lingulepis
  • †Lingulidiscina
    • †Lingulidiscina marginalis
  • †Linnarssonella
  • †Liospira
  • †Litagnostus
  • †Lonchocephalus
  • †Lophospira
    • †Lophospira serrulata
  • †Loxonema
    • †Loxonema leda
  • †Loxoplocus – type locality for genus
    • †Loxoplocus gothlandicus
    • †Loxoplocus nelsonae – type locality for species
  • †Lyriocrinus – tentative report
    • †Lyriocrinus melissa
  • †Lysocystites
    • †Lysocystites nodosus

M

  • †Mackenziurus
    • †Mackenziurus lauriae
  • †Maclurina
    • †Maclurina bigsbyi
  • †Macropleura
    • †Macropleura eudora
  • †Macroscenella
    • †Macroscenella superba
  • †Macrostylocrinus
    • †Macrostylocrinus obconicus
    • †Macrostylocrinus semiradiatus – or unidentified comparable form
    • †Macrostylocrinus striatus – or unidentified comparable form
  • †Manespira
    • †Manespira nicolleti – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Marsupiocrinus
    • †Marsupiocrinus chagoensis
  • †Maryvillia
  • †Matheria
    • †Matheria recta
  • Fossilized plates of the Cambrian-Early Ordovician chiton Matthevia
    †Matthevia
  • †Megamyonia
  • †Megastrophia
    • †Megastrophia profunda
  • †Melocrinites
  • †Menomonia
  • †Merista
  • †Meristina
  • †Meroperix
  • †Metaconularia
  • †Metarizoceras
    • †Metarizoceras brevicorne
  • †Metaspyroceras
    • †Metaspyroceras reudemanni
    • †Metaspyroceras ruedemanni
  • †Michelinoceras
  • †Milaculum
  • †Monocheilus
  • Fossils of the Early Devonian graptolite Monograptus
    †Monograptus
    • †Monograptus spiralis
  • †Monomuchites
    • †Monomuchites annularis
  • †Morinorhynchus
  • †Mosineia- type locality of the genus
  • †Murchisonia
    • †Murchisonia conradi
    • †Murchisonia laphami
  • †Myelodactylus
  • †Mytilarca
    • †Mytilarca acutirostra

N

  • †Neozaphrentis
    • †Neozaphrentis racinensis
  • †Norwoodia
  • †Nucleospira

O

  • †Obolus
  • †Oepikina
    • †Oepikina minnesotensis
  • †Onniella
  • †Ophiletina
    • †Ophiletina sublaxa
  • †Ophioceras
    • †Ophioceras wilmingtonense
  • †Opikina
  • †Orbicudloidea
    • †Orbicudloidea telleri
  • †Orbiculoidea
    • †Orbiculoidea doria
  • †Oriostoma
    • †Oriostoma globosum
    • †Oriostoma pauper
  • †Orthonata
  • †Orthospirifer
    • †Orthospirifer milwaukeensis
  • †Otarion
  • †Otusia
  • †Owenella
    • †Owenella antiquata
  • †Oxoplecia
    • †Oxoplecia niagarensis
  • †Ozarkodina
    • †Ozarkodina polinclinata – or unidentified comparable form

P

  • †Pagodia
  • †Palaeocardia
    • †Palaeocardia cordiiformis
  • †Palaeoneilo
    • †Palaeoneilo constricta
  • †Palaeophycus
  • †Panderodus
    • †Panderodus gracilis
    • †Panderodus greenlandensis
    • †Panderodus unicostatus
  • †Parioscorpio- type locality of the genus
  • †Paraliospira
    • †Paraliospira supracingulata – type locality for species
  • †Parastophinella
    • †Parastophinella multiplicata
  • †Parastrophinella
    • †Parastrophinella multiplicata
  • Illustration of a fossilized shell in multiple views of the Paleozoic mollusc Pelagiella.
    †Pelagiella
  • †Pemphigaspis
  • †Pentamerella
    • †Pentamerella multicosta
  • †Pentamerus
    • †Pentamerus oblongus
  • †Pentlandia
    • †Pentlandia glypta
  • †Pentlandina
    • †Pentlandina glypta
  • Fossil of the Silurian-Carboniferous crinoid ("sea lily") Periechocrinus
    †Periechocrinus
    • †Periechocrinus infelix
    • †Periechocrinus necis
    • †Periechocrinus uniformis
    • †Periechocrinus urniformis
  • †Periechorinus
  • †Phanerotrema
    • †Phanerotrema occidens
  • †Philhedra
    • †Philhedra magnacostata
  • †Pholidostrophia
    • †Pholidostrophia iowensis
  • †Phragmoceras
    • †Phragmoceras nestor
    • †Phragmoceras parvum
    • †Phragmoceras procerum
  • †Phragmolites
    • †Phragmolites triangularis
  • †Pionodema
    • †Pionodema conradi
  • †Pisocrinus
  • Fossilized shell of the Ordovician brachiopod Plaesiomys
    †Plaesiomys
  • †Plagiostomoceras
  • †Planolites
  • †Platyceras
    • †Platyceras niagarensis
    • †Platyceras wisconsinensis – type locality for species
  • †Platystrophia
    • †Platystrophia biforata
  • †Plectatrypa
    • †Plectatrypa imbricata
  • †Plectodonta
  • †Plethopeltis
  • †Pleurodictyum
  • Fossilized shell of a Pleurotomaria slit snail
    Pleurotomaria
    • †Pleurotomaria perlata
  • †Polygnathoides
  • †Polygrammoceras
  • †Praenucula
  • †Primitella
    • †Primitella constricta
  • †Proagnostus
  • †Proetus
    • †Proetus handwerki
  • †Promelocrinus
    • †Promelocrinus obpramidalis
    • †Promelocrinus obpyramidalis
  • †Proplina – tentative report
    • †Proplina extensum
  • †Prosolarium
    • †Prosolarium halei
  • †Protokionoceras
    • †Protokionoceras medullare
  • †Protomegastrophia
  • †Prozacompsus
  • †Pseudagnostus
  • †Pseudooneotodus
    • †Pseudooneotodus beckmanni
    • †Pseudooneotodus bicornis
  • †Ptychaspis
  • †Ptychocaulus
    • †Ptychocaulus bivittata
  • †Ptychopleurella
  • †Pycnocrinus
    • †Pycnocrinus gerki
  • †Pycnomphalus
    • †Pycnomphalus solarioides

R

  • †Rafinesquina
  • †Rasettia
  • †Reserella
    • †Reserella canalis
  • †Resserella
    • †Resserella canalis
  • †Reticulatrypa
  • †Rhombopteria
  • †Rhynchotrema
  • †Rhynchotreta
  • Rostricellula
    • †Rostricellula minnesotensis
  • †Ruedemannia
    • †Ruedemannia lirata
    • †Ruedemannia robusta
  • †Rusosa

S

  • †Sactorthoceras
    • †Sactorthoceras depressum
  • †Saffordia
  • †Salmanites
    • †Salmanites platycaudatus
  • †Salpingostoma
    • †Salpingostoma buelli
  • †Saukia
  • Fossil of the Cambrian-Ordovician trilobite Saukiella
    †Saukiella
  • †Scaevogyra
  • †Scharyia
  • †Schizonema
  • †Schizopea
  • †Schizophoria
    • †Schizophoria iowensis
    • †Schizophoria lata
  • †Schmidtella
    • †Schmidtella crassimarginata
  • †Scotoharpes
    • †Scotoharpes telleri
  • †Scutellum
  • †Similodonta
  • †Sinuites
    • †Sinuites cancellatus
    • †Sinuites rectangularis – type locality for species
  • †Sinuopea
    • †Sinuopea sweeti – type locality for species
  • †Siphonocrinus
    • †Siphonocrinus armosus
    • †Siphonocrinus nobilis
    • †Siphonocrinus nobilus
  • †Skenidioides
    • †Skenidioides anthonensis
  • Fossils of the Cambrian-modern worm burrow ichnogenus Skolithos
    †Skolithos
  • †Sowerbyella
  • †Sphaerexochus
    • †Sphaerexochus roemingeri
    • †Sphaerexochus romingeri
  • †Sphaerirhynchia
  • †Sphooceras
  • †Spinatrypa
    • †Spinatrypa hystrix
    • †Spinatrypa spinosa
  • †Spinocyrtia
    • †Spinocyrtia iowensis
  • †Spirodentalium
    • †Spirodentalium osceola – type locality for species
  • †Staurocephalus
    • †Staurocephalus obsoleta
  • †Stegerhynchus
  • †Stenopareia
    • †Stenopareia imperiator
  • †Stenopilus
  • †Stephanocrinus
    • †Stephanocrinus osgoodensis
  • †Stictopora
    • †Stictopora trentonensis
  • †Straparollus
    • †Straparollus mopsus
    • †Straparollus paveyi
  • †Streptelasma
  • †Striispirifer
  • †stromatoporoids
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    †Strophomena
  • †Strophostylus
    • †Strophostylus elevatus
  • †Subulites
    • †Subulites beloitensis – type locality for species

T

  • †Taenicephalus
  • †Tancrediopsis
  • †Tellerina
  • †Tetranota
    • †Tetranota sexcarinata
    • †Tetranota wisconsinensis
  • †Thalassinoides
  • †Thaleops
  • Thurammina
    • †Thurammina polygona
  • Life restoration of the Silurian arthropod Thylacares
    †Thylacares – type locality for genus
  • †Tremanotus
    • †Tremanotus angustata
  • †Trocholites
  • †Trochonema
    • †Trochonema beachi – tentative report
    • †Trochonema beloitense
  • †Trochurus
    • †Trochurus welleeri
    • †Trochurus welleri
  • †Tylothyris
    • †Tylothyris subvaricosa

U

V

  • †Vanuxemia
  • †Virgiana
    • †Virgiana mayvillensis
  • †Venustulus (Type locality of the genus)

W

  • †Walliserodus
    • †Walliserodus curvatus
  • †Westonia
  • †Whitfieldella
  • †Whitfieldoceras
  • †Whitfieldia
  • †Wilbernia
  • †Wisconsinella – type locality for genus
    • †Wisconsinella clelandi – type locality for species
  • †Woosteroceras
    • †Woosteroceras trempealeauense
  • †Wurmiella

Z

  • †Zaphrenthis
    • †Zaphrenthis racinensis
  • †Zophocrinus – tentative report

References

  1. 1 2 3 Steven T. LoDuca (2019). "New Ordovician marine macroalgae from North America, with observations on Buthograptus, Callithamnopsis, and Chaetocladus". Journal of Paleontology. 93 (2): 197–214. doi:10.1017/jpa.2018.76.
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