List of the Paleozoic life of Michigan

This list of the Paleozoic life of Michigan contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Michigan and are between 541 and 252.17 million years of age.

A

• †Acanthoclema
  • †Acanthoclema ohioensis
• †Acanthonema – type locality for genus
  • †Acanthonema holopiforme – type locality for species
  • †Acanthonema laxa – type locality for species
• †Acidaspis
• †Actinoceras
  • †Actinoceras backi
  • †Actinoceras bigsbyi – or unidentified comparable form
  • †Actinoceras gouldense – type locality for species
  • †Actinoceras sphaeroidale
• †Alaskozygopleura
  • †Alaskozygopleura gracillium

• 

  Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris

  †Alethopteris
  • †Alethopteris decurrens
  • †Alethopteris Helenae
• †Allonema
• †Ambocoelia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Ambocoelia umbonata – report made of unidentified related form or using admittedly obsolete nomenclature
• †Ambonychia
  • †Ambonychia carinata
  • †Ambonychia elroyi
  • †Ambonychia obesa
• †Amphilichas
  • †Amphilichas cucullus – tentative report
• †Anazyga
  • †Anazyga recurvirostra

• 

  Fossil of the Carboniferous horsetail relative Annularia

  †Annularia
  • †Annularia asteris
  • †Annularia sphenophylloides
• †Anomalodonta
  • †Anomalodonta gigantea – or unidentified comparable form
• †Anoptera
  • †Anoptera angusta
• †Anthropora
  • †Anthropora shafferi
• †Antirotella
  • †Antirotella helicinaeformis – type locality for species
• †Archinacella
  • †Archinacella kagawongensis
• †Arcyzona
  • †Arcyzona apobathrota
• †Arthroacantha
  • †Arthroacantha carpenteri
• †Ascodictyon
  • †Ascodictyon fusiforme
• †Asolanus
  • †Asolanus camptotaena
• †Asterophyllites
  • †Asterophyllites equisetiformis
  • †Asterophyllites longifolius – or unidentified comparable form
  • †Asterophyllites vernensis
• †Atactoechus
  • †Atactoechus typicus – or unidentified comparable form
• †Athyris
  • †Athyris lens
  • †Athyris vittata

• 

  Fossilized shell of the Late Ordovician-Carboniferous brachiopod Atrypa

  †Atrypa
  • †Atrypa traversensis
• †Aulacera
  • †Aulacera nodulifera
• †Aulacotheca
  • †Aulacotheca Campbelli
• †Aulocystis
  • †Aulocystis auloporoidea
  • †Aulocystis jacksoni
  • †Aulocystis lucasensis
• †Aulopora
  • †Aulopora microbuccinata

B

• †Batostoma
• †Beatricea
  • †Beatricea undulata

• 

  Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon

  †Bellerophon
  • †Bellerophon barquensis – type locality for species
  • †Bellerophon newberryi
  • †Bellerophon pelops
• †Bensbergia
  • †Bensbergia subcostata
• †Bethanyphyllum
  • †Bethanyphyllum robustum
• †Bicarina
  • †Bicarina petilitornata
• †Bigalea – type locality for genus
  • †Bigalea yangi – type locality for species
• †Billingsites
  • †Billingsites newberryi
• †Bothrodendron
  • †Bothrodendron minutifolium
  • †Bothrodendron punctatum
• †Botryllopora
  • †Botryllopora socialis
• †Bowmanites
• †Brachyprion
• †Buechelia
  • †Buechelia tyrrelli
• †Byssonychia
  • †Byssonychia richmondensis
• Bythocypris
  • †Bythocypris cylindrica
• †Bythopora
  • †Bythopora striata

C

• 

  Fossilized stems from the Carboniferous-Permian horsetail relative Calamites

  †Calamites
  • †Calamites carinatus
  • †Calamites cistii
  • †Calamites ramosus
  • †Calamites schutzeiformis
  • †Calamites suckowii
  • †Calamites undulatus
• †Calapoecia
  • †Calapoecia cribriformis
  • †Calapoecia huronensis
• †Callipleura
  • †Callipleura nobilis – or unidentified comparable form
• †Callixylon
  • †Callixylon newberryi

• 

  Fossil of the Early Ordovician-Early Devonian trilobite Calymene

  †Calymene
• †Camarotoechia
• †Cardiocaron
  • †Cardiocaron reniformis
• †Cardiocarpon
  • †Cardiocarpon annulatum
  • †Cardiocarpon bicuspidatum
  • †Cardiocarpon cuyahogae
  • †Cardiocarpon late-alatum
  • †Cardiocarpon ovale

• 

  Fossil of the Middle-Late Ordovician trilobite Ceraurus

  †Ceraurus
  • †Ceraurus simmonsi
• †Cerithioides
  • †Cerithioides incomptum
• †Cheirocrinus – tentative report
• †Chonetes
  • †Chonetes ensicosta
  • †Chonetes hybus
  • †Chonetes pachyactis
• †Clathronema
  • †Clathronema cingulata
• †Clidophorus
  • †Clidophorus noquettensis
  • †Clidophorus ogontzensis

• 

  Assemblage of fossils of the Cambrian graptolite Climacograptus

  †Climacograptus
  • †Climacograptus putillus
• †Coelospira
• †Coleolus
• †Colpomya
  • †Colpomya colgateri
• †Columnaria
  • †Columnaria alveolata
  • †Columnaria calicina
  • †Columnaria stokesi
• †Conularia
  • †Conularia formosa
  • †Conularia trentonensis
• †Cordaianthus
  • †Cordaianthus ampullaceus
  • †Cordaianthus devonicus

• 

  Fossilized foliage of the Carboniferous-Permian conifer relative Cordaites

  †Cordaites
  • †Cordaites borassifolius
  • †Cordaites crassinervis
  • †Cordaites michiganensis
  • †Cordaites palmaeformis
  • †Cordaites principalis
  • †Cordaites Robbii – tentative report
• †Cornulites
  • †Cornulites corrugatus
  • †Cornulites flexuosus
  • †Cornulites sterlingensis – or unidentified comparable form
• †Corocrinus
  • †Corocrinus pettyesi
• †Corynepteris
  • †Corynepteris coralloides – tentative report
• †Cranaena
  • †Cranaena amygdaloidea – or unidentified related form
  • †Cranaena lincklaeni
  • †Cranaena romingeri
• †Crenulazona
  • †Crenulazona angulata
• †Cryptonella
• †Ctenodonta
  • †Ctenodonta iphigenia
• †Cuneamya
  • †Cuneamya miamiensis
• †Cupularostrum
  • †Cupularostrum prolificum
• †Cyclonema
  • †Cyclonema minuta
• †Cylindrophyllum
  • †Cylindrophyllum profundum
• †Cymatonota
  • †Cymatonota typicalis – or unidentified comparable form
• †Cyrtina
  • †Cyrtina alpenensis
  • †Cyrtina hamiltonensis – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Cyrtina umbonata
• †Cyrtoceras – tentative report
• †Cyrtodonta
  • †Cyrtodonta grandis
  • †Cyrtodonta potteri
• †Cyrtolites
  • †Cyrtolites ornatus
• †Cyrtostropha
  • †Cyrtostropha salteri

D

• †Dalmanella
  • †Dalmanella emacerata
  • †Dalmanella jugosa
• †Decorochilina
  • †Decorochilina robusta
• †Denayella
  • †Denayella bella – type locality for species
• †Devonalosia
  • †Devonalosia wrightorum
• †Devonochonetes
  • †Devonochonetes coronatus
  • †Devonochonetes fragilis
  • †Devonochonetes scitulus
• †Dictyobembix – type locality for genus
  • †Dictyobembix bella – type locality for species
• †Diplothmema
• †Discinites
  • †Discinites delectus
  • †Discinites jongmansi
• †Discosorus
  • †Discosorus ehlersi – type locality for species
  • †Discosorus halli – type locality for species
  • †Discosorus parksi – type locality for species
  • †Discosorus remotus – tentative report
• †Douvillina
  • †Douvillina distans
• †Duncanella – tentative report

E

• †Echinocaris
  • †Echinocaris punctata
• †Echinocoelia
• †Elasmonema – tentative report
  • †Elasmonema corrugata
• †Eldredgeops
  • †Eldredgeops rana
• †Eliasopora
  • †Eliasopora stellatum
• †Elita
  • †Elita filicosta
• †Encrinurus
• †Endoceras
• †Eremopteris
  • †Eremopteris michiganensis

• 

  Fossils (figures 2-10) of the Silurian-Devonian eurypterid ("sea scorpion") Erieopterus

  †Erieopterus
  • †Erieopterus microphthalmus
• †Euphemites – tentative report
  • †Euphemites devoniana
• †Euryzone
  • †Euryzone latitornata – type locality for species
  • †Euryzone pharkidopyndax – type locality for species
• †Euthyrhachis
  • †Euthyrhachis indianense

F

• 

  Fossil of the Late Ordovician-Permian tabulate coral Favosites

  †Favosites
• †Ferganella
• †Flexicalymene
  • †Flexicalymene croneisi
  • †Flexicalymene magnipapilla – type locality for species
  • †Flexicalymene meeki – or unidentified comparable form
  • †Flexicalymene planilabra – type locality for species
  • †Flexicalymene praelongicephala – type locality for species
  • †Flexicalymene quadricapita – type locality for species
  • †Flexicalymene senaria
• †Floweria
  • †Floweria lirella

G

• †Geniculograptus
  • †Geniculograptus pygmaeus
• †Gennaeocrinus
  • †Gennaeocrinus chilmanae
  • †Gennaeocrinus romingeri
• †Genuspira – type locality for genus
  • †Genuspira nodosa – type locality for species
• †Gigantopteris
  • †Gigantopteris dawsoni
  • †Gigantopteris kellyi

• 

  Fossilized calyx and partial stem of the Devonian-Carboniferous crinoid ("sea lily") Gilbertsocrinus

  †Gilbertsocrinus
  • †Gilbertsocrinus ohioensis
• †Ginkgophyllum
  • †Ginkgophyllum grandifolium
• †Girvanella
  • †Girvanella richmondensis
• †Glossograptus
• †Grammysia
• †Graptodictya
  • †Graptodictya proava

• 

  Multiple views of a fossil of the Ordovician horn coral Grewingkia

  †Grewingkia
  • †Grewingkia canadensis
  • †Grewingkia deltensis
• †Gypidula
  • †Gypidula petoskeyensis

H

• 

  Fossil of the Ordovician bryozoan ("moss animal") Hallopora

  †Hallopora
  • †Hallopora subnodosa
• †Halysites
  • †Halysites gracilis
• †Hebertella
  • †Hebertella alveata
  • †Hebertella occidentalis
• †Hederella
  • †Hederella alpenensis
  • †Hederella bilineata
  • †Hederella cirrhosa
  • †Hederella concinnoides
  • †Hederella delicatula
  • †Hederella filiformis
  • †Hederella magna
  • †Hederella parvirugosa
  • †Hederella rectifurcata
  • †Hederella reimanni
  • †Hederella stolonifera
  • †Hederella thedfordensis
  • †Hederella vagans
• †Helicelasma
  • †Helicelasma rusticum
• †Helicotoma
  • †Helicotoma brocki
• †Helopora
  • †Helopora inexpectata
• †Hercostrophia
  • †Hercostrophia robusta
• †Hesperorthis
  • †Hesperorthis tricenaria
• †Heterophrentis
  • †Heterophrentis simplex
• †Heterotrypa

• 

  Fossil of the Devonian colonial rugose coral Hexagonaria, also known as a Petoskey stone

  †Hexagonaria
  • †Hexagonaria pericarinata
• †Hindia
  • †Hindia subrotunda
• †Hippocardia
  • †Hippocardia monroica
• †Hippurograptus
• †Hiscobeccus
  • †Hiscobeccus capax

• 

  Fossilized shells of the Ordovician-Carboniferous sea snail Holopea

  †Holopea
  • †Holopea hubbardi – or unidentified related form
• †Holtedahlina
  • †Holtedahlina sulcata
• †Hormotoma
  • †Hormotoma gracilis
• †Hormotomina
  • †Hormotomina penduliobesa
• †Howellella
• †Huronia
  • †Huronia annulata
  • †Huronia bigsbyi
    • †Huronia bigsbyi intermedia – type locality for variety
  • †Huronia distincta
  • †Huronia engadinensis – type locality for species
  • †Huronia minuens
  • †Huronia obliqua
  • †Huronia paulodilatata
  • †Huronia romingeri
  • †Huronia turbinata
  • †Huronia minuens
  • †Huronia vertebralis
• †Huroniella
  • †Huroniella ehlersi – type locality for species
• †Hyperoblastus
  • †Hyperoblastus reimanni
• †Hypomphalocirrus
  • †Hypomphalocirrus rugosus

I

• †Icriodus
  • †Icriodus latericrescens
• †Illionia
• †Inocaulis
• †Intrapora
• †Isochilina

• 

  Fossil of the Middle-Late Ordovician giant trilobite Isotelus.

  †Isotelus
  • †Isotelus gigas

K

• †Kitikamispira
  • †Kitikamispira speciosum

L

• †Leioclema
  • †Leioclema alpenense
• †Leiorhynchus
  • †Leiorhynchus kelloggi
  • †Leiorhynchus lucasi
• †Leperditia
• †Lepidocarpon
  • †Lepidocarpon linear

• 

  Restoration of the Carboniferous-Late Triassic club moss relative Lepidodendron. Eli Heimans (1911).

  †Lepidodendron
  • †Lepidodendron aculeatum
  • †Lepidodendron Brittsii
  • †Lepidodendron dichotomum
  • †Lepidodendron lanceolatum
  • †Lepidodendron lycopodiodes
  • †Lepidodendron obovatum
  • †Lepidodendron obvatum
  • †Lepidodendron ophiurioides
  • †Lepidodendron vestitum
• †Lepidostrobus
  • †Lepidostrobus bartlettii
• †Leptaena
• †Leptalosia
  • †Leptalosia radicans
• †Leptobolus
  • †Leptobolus insignis
• †Leptolosia
  • †Leptolosia radicans
• †Leptotrypella
  • †Leptotrypella ohioensis
• †Lichenocrinus
  • †Lichenocrinus tuberculatus
• †Lingula
  • †Lingula changi
  • †Lingula cobourgensis
  • †Lingula ogontzensis
  • †Lingula progne – or unidentified comparable form
  • †Lingula whitfieldi – or unidentified comparable form
• †Liospira
  • †Liospira micula
• †Longispina
  • †Longispina lissohybus
• †Lophospira
  • †Lophospira milleri
  • †Lophospira perangulata – or unidentified related form
• †Lyopora
  • †Lyopora goldfussi

M

• †Maelonoceras
  • †Maelonoceras ligarius
• †Manitobiella
  • †Manitobiella goniostoma
• †Mariopteris
  • †Mariopteris muricata
  • †Mariopteris nervosa
• †Mastigograptus
• †Mastigospira
  • †Mastigospira ingens – type locality for species
  • †Mastigospira intermedia – type locality for species
• †Mediospirifer
  • †Mediospirifer audaculus
• †Megastrophia
  • †Megastrophia concava

• 

  Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella

  †Meristella
• †Mesocoelia
  • †Mesocoelia obstipisutura
  • †Mesocoelia priscum
• †Mesotrypa
• †Modiolopsis
  • †Modiolopsis noquettensis
  • †Modiolopsis valida
• †Monticulipora
  • †Monticulipora epidermata

• 

  Fossilized shell of the Devonian brachiopod Mucrospirifer

  †Mucrospirifer
  • †Mucrospirifer attenuatus
  • †Mucrospirifer grabaui
  • †Mucrospirifer latus
  • †Mucrospirifer mucronatus
  • †Mucrospirifer profundus
  • †Mucrospirifer prolificus
  • †Mucrospirifer thedfordensis
• †Murchisonia
  • †Murchisonia akidota
  • †Murchisonia anderdoniae
  • †Murchisonia deludisubzona – type locality for species
  • †Murchisonia dowlingii
  • †Murchisonia gracilicrista
  • †Murchisonia sibleyensis
  • †Murchisonia subcarinata
  • †Murchisonia subulata – type locality for species

N

• †Naticopsis
  • †Naticopsis manitobensis

• 

  Fronds of the Carboniferous seed fern Neuropteris

  †Neuropteris
  • †Neuropteris caudata
  • †Neuropteris dilitata
  • †Neuropteris flexuosa
  • †Neuropteris gigntea – tentative report
  • †Neuropteris harrisi – or unidentified comparable form
  • †Neuropteris heterophylla – or unidentified comparable form
  • †Neuropteris obliqua
  • †Neuropteris rarinervis
  • †Neuropteris saginawensis
  • †Neuropteris scheuchzeri
  • †Neuropteris Schlehani
  • †Neuropteris tenuifolia
• †Nodonema
  • †Nodonema granulatum
• †Nowakia
• †Nuculites
  • †Nuculites neglectus
• †Nuculoidea
  • †Nuculoidea lirata – or unidentified comparable form

O

• †Odontopteris
• †Oenonites
  • †Oenonites curvidens – or unidentified related form

• 

  Fossil of the Ordovician trilobite Ogygites

  †Ogygites
  • †Ogygites latimarginatus
• †Oligorachs
  • †Oligorachs littletonensis
• †Omphalocirrus
• †Onchometopus
• †Oncoceras
• †Ophisthoptera
  • †Ophisthoptera casei – or unidentified comparable form
• †Ophistoloba
  • †Ophistoloba gouldi
• †Opisthoptera
  • †Opisthoptera gouldi
  • †Opisthoptera griffini
• †Opisthopteri
  • †Opisthopteri casei – or unidentified comparable form
• †Orbiculoidea
• †Ormoceras
  • †Ormoceras bayfieldi
  • †Ormoceras whitei
• †Orthoceras
  • †Orthoceras alienum – or unidentified comparable form
• †Orthodesma
  • †Orthodesma subangulatum – or unidentified comparable form
• †Orthograptus
  • †Orthograptus eucharis
  • †Orthograptus quadrimucronatus
  • †Orthograptus truncatus
• †Orthonota
  • †Orthonota parvula
  • †Orthonota undulata
• †Orthonychia
  • †Orthonychia variablis – type locality for species
• †Orthopleura
  • †Orthopleura B Imbrie – informal
• †Oxoplecia – or unidentified comparable form
  • †Oxoplecia calhouni

P

• †Pachydictya
• †Pagodea
  • †Pagodea falcatinoda – type locality for species
• †Palaeopteridium
  • †Palaeopteridium Reussi
• †Palaeoscurria – tentative report
• †Palaeozygopleura
  • †Palaeozygopleura hamiltoniae
  • †Palaeozygopleura joani
  • †Palaeozygopleura sibleyensis
• †Paleofavosites
  • †Paleofavosites asper
• †Palmatopteris
  • †Palmatopteris furcata
• †Panenka
  • †Panenka canadensis
• †Papillicalymene
  • †Papillicalymene husseyi – type locality for species

• 

  Assemblage of the Early-Middle Devonian brachiopod Paraspirifer

  †Paraspirifer
  • †Paraspirifer bownockeri
• †Paupospira
  • †Paupospira bowdeni
  • †Paupospira tropidophora
• †Pecopteris
  • †Pecopteris dentata – tentative report
  • †Pecopteris miltoni
• †Penniretepora
  • †Penniretepora irregularis – or unidentified comparable form
• †Pentamerella
  • †Pentamerella athyroides
  • †Pentamerella aulax
  • †Pentamerella papilla
  • †Pentamerella pericosta
  • †Pentamerella petoskeyensis
  • †Pentamerella proteus
  • †Pentamerella E – informal
• †Pentameroides

• 

  Fossilized shell of the Silurian-Middle Devonian brachiopod Pentamerus

  †Pentamerus
• †Peronopora
  • †Peronopora decipiens
• †Petrochus
  • †Petrochus conica – type locality for species
  • †Petrochus mellaria – type locality for species
• †Petrocrania
  • †Petrocrania scabiosa
• †Pholadomorpha
  • †Pholadomorpha pholadiformis
• †Pholidops
  • †Pholidops subtruncata
• †Pholidostrophia
  • †Pholidostrophia geniculata
  • †Pholidostrophia gracilis
  • †Pholidostrophia nacrea
  • †Pholidostrophia ovata
• †Phragmolites
  • †Phragmolites slawsoni
• †Physostoma
  • †Physostoma winchellii
  • †Physostoma Winchellii
• †Plaesiomys
  • †Plaesiomys subquadrata
• †Planalveolitella
  • †Planalveolitella parasitica

• 

  Fossilized shell of the Silurian-Early Triassic sea snail Platyceras

  †Platyceras
  • †Platyceras bucculentum
  • †Platyceras carinatum
  • †Platyceras rarispinum
• †Platystrophia
  • †Platystrophia acutilirata
  • †Platystrophia annieana
  • †Platystrophia clarkesvillensis
  • †Platystrophia clarksvillensis
  • †Platystrophia cypha – or unidentified related form
  • †Platystrophia moritura
• †Plectambonites
  • †Plectambonites rugosus
  • †Plectambonites sericeus
• †Plectonotus
  • †Plectonotus raricostatus

• 

  Fossil of the Silurian-Carboniferous tabulate coral Pleurodictyum

  †Pleurodictyum
  • †Pleurodictyum cornu
• †Polygnathus
  • †Polygnathus varcus
• †Primitia
  • †Primitia cincinnatiensis
• †Primitiella
  • †Primitiella stoningtonensis
  • †Primitiella unicornis
• Proboscina
  • †Proboscina auloporoides
• †Productella

• 

  Restoration of the Silurian trilobite Proetus

  †Proetus
  • †Proetus chambliensis
• †Prosserella
  • †Prosserella subtransversa
• †Protaraea
  • †Protaraea richmondensis
• †Protarea
  • †Protarea richmondensis
• †Protokionoceras
• †Protoleptostrophia
  • †Protoleptostrophia lirella
  • †Protoleptostrophia perplana
• †Pseudoatrypa
  • †Pseudoatrypa devoniana – or unidentified comparable form
• †Pseudomphalotrochus
  • †Pseudomphalotrochus cottrelli – type locality for species
  • †Pseudomphalotrochus gibsoni – type locality for species
• †Pseudopecopteris
  • †Pseudopecopteris avoldensis – or unidentified comparable form
• †Psiloconcha
  • †Psiloconcha subovalis
• †Pterinea
  • †Pterinea demissa
  • †Pterinea insueta – or unidentified related form
  • †Pterinea insuetta – or unidentified related form
• †Ptychomphalina
  • †Ptychomphalina lucina – tentative report
• †Ptychopteria
  • †Ptychopteria fasciulatus
  • †Ptychopteria michiganesis
  • †Ptychopteria swanni
• †Pugnoides

R

• †Rafinesquina
  • †Rafinesquina alternata
  • †Rafinesquina breviusculus
  • †Rafinesquina pregibbosa
• †Rafinesquna
  • †Rafinesquna pregibbosa
• †Rectograptus
  • †Rectograptus amplexicaulis
  • †Rectograptus peosta
• †Retispira
  • †Retispira sullivani
• †Rhabdocarpus
  • †Rhabdocarpus mammilaris
  • †Rhabdocarpus mansfieldi
  • †Rhabdocarpus multistriatus
• †Rhinocaris
  • †Rhinocaris ehlersi
• †Rhipidomella
  • †Rhipidomella penelope – or unidentified comparable form
  • †Rhipidomella trigona
  • †Rhipidomella vanuxemi
• †Rhipidothyris
  • †Rhipidothyris B – informal
• †Rhombotrypa
  • †Rhombotrypa quadrata
  • †Rhombotrypa subquadrata
• †Rhynchospirina
• †Rhynchotrema
  • †Rhynchotrema minnesotensis – or unidentified comparable form
  • †Rhynchotrema perlamellosum
• †Rugomena
  • †Rugomena vetusta
• †Rutkowskicrinus
  • †Rutkowskicrinus collieri – type locality for species
  • †Rutkowskicrinus patriciae
• †Rutkowskiella – type locality for genus
  • †Rutkowskiella tumula – type locality for species

S

• †Samaropsis
  • †Samaropsis Newberryi
  • †Samaropsis newberryi

• 

  Fossils of the Cambrian mollusc Scenella

  †Scenella – tentative report
• †Schizophoria
  • †Schizophoria ferronensis
  • †Schizophoria mesacarina
  • †Schizophoria tulliensis
• †Schuchertella
• †Scutellum
• †Semicoscinium
• †Semipora – tentative report
  • †Semipora ehlersi
• †Serpulospira
  • †Serpulospira diversiformis
• †Sigillaria
• †Sinuites
• †Spermatites
  • †Spermatites cylix
  • †Spermatites globosus
  • †Spermatites reticulatus
• †Sphenophragmus
  • †Sphenophragmus nanus

• 

  Fossilized leaves and branches of the Devonian-Triassic horsetail relative Sphenophyllum

  †Sphenophyllum
  • †Sphenophyllum bifurcatum
  • †Sphenophyllum cuneifolium
  • †Sphenophyllum emarginatum
  • †Sphenophyllum majus
  • †Sphenophyllum saxifragaefolium
• †Sphenopteris
• †Sphenopters
• †Spinocyrtia
  • †Spinocyrtia clintoni
  • †Spinocyrtia euryteines – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Spinocyrtia granulosa
• †Spinulicosta
  • †Spinulicosta mutocosta
  • †Spinulicosta spinulicosta
• †Spinyplatyceras
  • †Spinyplatyceras bartlettense
• †Spirifer – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Spirifer consors
• †Spyroceras
• †Stereotoechus
  • †Stereotoechus typicus – or unidentified comparable form

• 

  Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus

  †Stethacanthus
  • †Stethacanthus depressus
• †Stictoporina
  • †Stictoporina granulifera
• †Stigmaria
  • †Stigmaria verrucosa
• †Stigmatella
• †Stokesoceras
  • †Stokesoceras engadinense – type locality for species
  • †Stokesoceras gracile
  • †Stokesoceras romingeri – type locality for species
• †Straparollus
  • †Straparollus mortoni – type locality for species
• †Streblotrypa
  • †Streblotrypa anomala
  • †Streblotrypa hamiltonensis
• †Streptelasm
  • †Streptelasm rusticum
• †Streptelasma
  • †Streptelasma divaricans
  • †Streptelasma huronensis
• †Striatopora
  • †Striatopora linneana
• †Strobeus
  • †Strobeus alternatus
• †Stromatocerium
  • †Stromatocerium huronense
• †Stropheodonta
  • †Stropheodonta demissa – or unidentified comparable form
• †Strophodonta
  • †Strophodonta demissa

• 

  Fossilized shell of the Ordovician-Silurian brachiopod Strophomena

  †Strophomena
  • †Strophomena alpenensis
  • †Strophomena costata
  • †Strophomena crassa
  • †Strophomena elongata
  • †Strophomena erratica
  • †Strophomena extenuata
  • †Strophomena heteromys
  • †Strophomena huronensis
  • †Strophomena inaequiradiata
  • †Strophomena levidensa
  • †Strophomena neglecta
  • †Strophomena nutans – or unidentified comparable form
  • †Strophomena parvula
  • †Strophomena pentagonia
  • †Strophomena planumbona
  • †Strophomena potterensis
  • †Strophomena sulcata
  • †Strophomena tenuicosta
  • †Strophomena titan
• †Styliolina
  • †Styliolina fissurella
• †Sulcoretepora
  • †Sulcoretepora deissi
  • †Sulcoretepora incisurata
  • †Sulcoretepora B – informal

• 

  Fossil of the Devonian tabulate coral Syringopora

  †Syringopora

T

• †Technophorus
  • †Technophorus quincuncialis

• 

  Fossilized shell of the Early Ordovician-Late Devonian probable mollusc Tentaculites

  †Tentaculites
  • †Tentaculites bellulus
• †Tetradella
  • †Tetradella regularis
  • †Tetradella subquadratus
• †Tetradium
  • †Tetradium huronense
• †Thamnopora
  • †Thamnopora alpenensis
  • †Thamnopora magniventra – type locality for species
• †Thamnoptychia
  • †Thamnoptychia labyrinthica
  • †Thamnoptychia minuitissima
  • †Thamnoptychia silicensis
• †Trematis
  • †Trematis rugosa

• 

  Restoration showing the top (left) and underside of the Late Ordovician trilobite Triarthrus

  †Triarthrus
  • †Triarthrus eatoni
• †Trigonacarpolithus
  • †Trigonacarpolithus typicus
• †Trigonocarpus – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Trigonocarpus Noeggerathi
• †Trigonocarus
• †Trimerella
• †Trochonema
  • †Trochonema wartheni
• †Tropidodiscus
  • †Tropidodiscus compticarinatus – type locality for species
• †Tropidoleptus
  • †Tropidoleptus carinatus
• †Truncalosia
  • †Truncalosia gibbosa
• †Turbinilopsis
  • †Turbinilopsis anacarina – type locality for species
• †Turbonitella
  • †Turbonitella trunculinoda
• †Tylothyris
  • †Tylothyris subvaricosa

V

• †Vanuxemia
  • †Vanuxemia noquerrwnaia
  • †Vanuxemia strattoni
• †Vladanella
  • †Vladanella lirata – type locality for species

W

• †Warrenella
  • †Warrenella laevis – or unidentified comparable form
• †Whitfieldella
• †Wisconsinella
  • †Wisconsinella clelandi – type locality for species

Z

• †Zeilleria
  • †Zeilleria stellata
• †Zygospira
  • †Zygospira modesta – or unidentified comparable form

References

Uncited entries

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017. {{cite web}}: |author= has generic name (help)