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- References Uncited entries
{{more citations needed|date=June 2018}}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{{Compact ToC}}- †Acanthoclema
- †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
- †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
- †Annularia
- †Annularia asteris
- †Annularia sphenophylloides
- †Anomalodonta
- †Anomalodonta gigantea – or unidentified comparable form
- †Anoptera
- †Anthropora
- †Antirotella
- †Antirotella helicinaeformis – type locality for species
- †Archinacella
- †Archinacella kagawongensis
- †Arcyzona
- †Arthroacantha
- †Arthroacantha carpenteri
- †Ascodictyon
- †Asolanus
- †Asterophyllites
- †Asterophyllites equisetiformis
- †Asterophyllites longifolius – or unidentified comparable form
- †Asterophyllites vernensis
- †Atactoechus
- †Atactoechus typicus – or unidentified comparable form
- †Athyris
- †Athyris lens
- †Athyris vittata
- {{multiple image
| total_width = 248 | image1 = Atrypa reticularis pedunculate Gondelsheim CRF.jpg | alt1 = | image2 = AuloporaDevonianSilicaShale.jpg | alt2 = | footer = Left: Fossilized shell of the Late Ordovician-Carboniferous brachiopod Atrypa. Right: Fossil of the Late Ordovician-Permian tabulate coral Aulopora.}} †Atrypa - †Aulacera
- †Aulacotheca
- †Aulocystis
- †Aulocystis auloporoidea
- †Aulocystis jacksoni
- †Aulocystis lucasensis
- †Aulopora
B{{Compact ToC}}- †Batostoma
- †Beatricea
- †Bellerophon
- †Bellerophon barquensis – type locality for species
- †Bellerophon newberryi
- †Bellerophon pelops
- †Bensbergia
- †Bethanyphyllum
- †Bicarina
- †Bigalea – type locality for genus
- †Bigalea yangi – type locality for species
- †Billingsites
- †Bothrodendron
- †Bothrodendron minutifolium
- †Bothrodendron punctatum
- †Botryllopora
- †Bowmanites
- †Brachyprion
- †Buechelia
- †Byssonychia
- †Byssonychia richmondensis
- Bythocypris
- †Bythopora
C{{Compact ToC}}- †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
- †Calymene
- †Camarotoechia
- †Cardiocaron
- †Cardiocarpon
- †Cardiocarpon annulatum
- †Cardiocarpon bicuspidatum
- †Cardiocarpon cuyahogae
- †Cardiocarpon late-alatum
- †Cardiocarpon ovale
- †Ceraurus
- †Cerithioides
- †Cheirocrinus – tentative report
- †Chonetes
- †Chonetes ensicosta
- †Chonetes hybus
- †Chonetes pachyactis
- †Clathronema
- †Clidophorus
- †Clidophorus noquettensis
- †Clidophorus ogontzensis
- †Climacograptus
- †Coelospira
- †Coleolus
- †Colpomya
- †Columnaria
- †Columnaria alveolata
- †Columnaria calicina
- †Columnaria stokesi
- †Conularia
- †Conularia formosa
- †Conularia trentonensis
- †Cordaianthus
- †Cordaianthus ampullaceus
- †Cordaianthus devonicus
- {{multiple image
| total_width = 248 | image1 = Cordaites lungatus JdP.jpg | alt1 = | image2 = Cornulites cellulosus.jpg | alt2 = | footer = Left: Fossilized foliage of the Carboniferous-Permian conifer relative Cordaites. Right: Fossil of the Middle Ordovician-Carboniferous horn coral Cornulites.}} †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
- †Corynepteris
- †Corynepteris coralloides – tentative report
- †Cranaena
- †Cranaena amygdaloidea – or unidentified related form
- †Cranaena lincklaeni
- †Cranaena romingeri
- †Crenulazona
- †Cryptonella
- †Ctenodonta
- †Cuneamya
- †Cupularostrum
- †Cupularostrum prolificum
- †Cyclonema
- †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
- †Cyrtostropha
D{{Compact ToC}}- †Dalmanella
- †Dalmanella emacerata
- †Dalmanella jugosa
- †Decorochilina
- †Denayella
- †Denayella bella – type locality for species
- †Devonalosia
- †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
- †Duncanella – tentative report
E{{Compact ToC}}- †Echinocaris
- †Echinocoelia
- †Elasmonema – tentative report
- †Eldredgeops
- †Eliasopora
- †Elita
- {{multiple image
| total_width = 330 | image1 = Encrinurus egani from Wisconsin.JPG | alt1 = | image2 = Endoceras.JPG | alt2 = | image3 = The Eurypterida of New York plate 20.jpg | alt3 = | footer = Left: Fossil of the Middle Ordovician-Early Devonian trilobite Encrinurus. Middle: Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras. Right: Fossils (figures 2-10) of the Silurian-Devonian eurypterid ("sea scorpion") Erieopterus.}} †Encrinurus - †Endoceras
- †Eremopteris
- †Eremopteris michiganensis
- †Erieopterus
- †Erieopterus microphthalmus
- †Euphemites – tentative report
- †Euryzone
- †Euryzone latitornata – type locality for species
- †Euryzone pharkidopyndax – type locality for species
- †Euthyrhachis
F{{Compact ToC}}- †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
G{{Compact ToC}}- †Geniculograptus
- †Geniculograptus pygmaeus
- †Gennaeocrinus
- †Gennaeocrinus chilmanae
- †Gennaeocrinus romingeri
- †Genuspira – type locality for genus
- †Genuspira nodosa – type locality for species
- †Gigantopteris
- †Gigantopteris dawsoni
- †Gigantopteris kellyi
- {{multiple image
| total_width = 248 | image1 = Rhodocrinidae - Gilbertsocrinus tuberosus.JPG | alt1 = | image2 = RugosaOrdovician.jpg | alt2 = | footer = Left: Fossilized calyx and partial stem of the Devonian-Carboniferous crinoid ("sea lily") Gilbertsocrinus. Right: Multiple views of a fossil of the Ordovician horn coral Grewingkia.}} †Gilbertsocrinus - †Gilbertsocrinus ohioensis
- †Ginkgophyllum
- †Ginkgophyllum grandifolium
- †Girvanella
- †Girvanella richmondensis
- †Glossograptus
- †Grammysia
- †Graptodictya
- †Grewingkia
- †Grewingkia canadensis
- †Grewingkia deltensis
- †Gypidula
H{{Compact ToC}} | total_width = 248 | image1 = Hallopora multitabulata fossil bryozoan (Ordovician; Frankfort IL.jpg | alt1 = | image2 = HalysitesSilurian.jpg | alt2 = | footer = Left: Fossil of the Ordovician bryozoan ("moss animal") Hallopora. Right: Fossil of the Ordovician-Silurian tabulate coral Halysites.}} †Hallopora - †Halysites
- †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
- †Helicotoma
- †Helopora
- †Hercostrophia
- †Hesperorthis
- †Heterophrentis
- †Heterotrypa
- †Hexagonaria
- †Hexagonaria pericarinata
- †Hindia
- †Hippocardia
- †Hippurograptus
- †Hiscobeccus
- †Holopea
- †Holopea hubbardi – or unidentified related form
- †Holtedahlina
- †Hormotoma
- †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
- †Hypomphalocirrus
- †Hypomphalocirrus rugosus
I{{Compact ToC}}- †Icriodus
- †Illionia
- †Inocaulis
- †Intrapora
- †Isochilina
- †Isotelus
K{{Compact ToC}}L{{Compact ToC}}- †Leioclema
- †Leiorhynchus
- †Leiorhynchus kelloggi
- †Leiorhynchus lucasi
- †Leperditia
- †Lepidocarpon
- †Lepidodendron
- †Lepidodendron aculeatum
- †Lepidodendron Brittsii
- †Lepidodendron dichotomum
- †Lepidodendron lanceolatum
- †Lepidodendron lycopodiodes
- †Lepidodendron obovatum
- †Lepidodendron obvatum
- †Lepidodendron ophiurioides
- †Lepidodendron vestitum
- †Lepidostrobus
- †Lepidostrobus bartlettii
- †Leptaena
- †Leptalosia
- †Leptobolus
- †Leptolosia
- †Leptotrypella
- †Lichenocrinus
- †Lichenocrinus tuberculatus
- †Lingula
- †Lingula changi
- †Lingula cobourgensis
- †Lingula ogontzensis
- †Lingula progne – or unidentified comparable form
- †Lingula whitfieldi – or unidentified comparable form
- †Liospira
- †Longispina
- †Lophospira
- †Lophospira milleri
- †Lophospira perangulata – or unidentified related form
- †Lyopora
M{{Compact ToC}}- †Maelonoceras
- †Manitobiella
- †Mariopteris
- †Mariopteris muricata
- †Mariopteris nervosa
- †Mastigograptus
- †Mastigospira
- †Mastigospira ingens – type locality for species
- †Mastigospira intermedia – type locality for species
- †Mediospirifer
- †Megastrophia
- †Meristella
- †Mesocoelia
- †Mesocoelia obstipisutura
- †Mesocoelia priscum
- †Mesotrypa
- †Modiolopsis
- †Modiolopsis noquettensis
- †Modiolopsis valida
- †Monticulipora
- †Monticulipora epidermata
- †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{{Compact ToC}} | total_width = 248 | image1 = Neritopsidae - Naticopsis.JPG | alt1 = | image2 = Neuropteris PAMuseum.jpg | alt2 = | footer = Left: Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis. Right: Fronds of the Carboniferous seed fern Neuropteris.}} †Naticopsis - †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
- †Nowakia
- †Nuculites
- †Nuculoidea
- †Nuculoidea lirata – or unidentified comparable form
O{{Compact ToC}}- †Odontopteris
- †Oenonites
- †Oenonites curvidens – or unidentified related form
- †Ogygites
- †Oligorachs
- †Oligorachs littletonensis
- †Omphalocirrus
- †Onchometopus
- †Oncoceras
- †Ophisthoptera
- †Ophisthoptera casei – or unidentified comparable form
- †Ophistoloba
- †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
P{{Compact ToC}}- †Pachydictya
- †Pagodea
- †Pagodea falcatinoda – type locality for species
- †Palaeopteridium
- †Palaeoscurria – tentative report
- †Palaeozygopleura
- †Palaeozygopleura hamiltoniae
- †Palaeozygopleura joani
- †Palaeozygopleura sibleyensis
- †Paleofavosites
- †Palmatopteris
- †Panenka
- †Papillicalymene
- †Papillicalymene husseyi – type locality for species
- {{multiple image
| total_width = 248 | image1 = Paraspirifer bownockeri, pyritized brachiopods, Middle Devonian, Silica Shale, Lucas County, Ohio, USA - Houston Museum of Natural Science - DSC01732.JPG | alt1 = | image2 = Pecopteris villosa.jpg | alt2 = | footer = Left: Assemblage of the Early-Middle Devonian brachiopod Paraspirifer. Right: Fossils of the Late Devonian-Permian fern-like fronds Pecopteris.}} †Paraspirifer - †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
- †Pentamerus
- †Peronopora
- †Petrochus
- †Petrochus conica – type locality for species
- †Petrochus mellaria – type locality for species
- †Petrocrania
- †Pholadomorpha
- †Pholadomorpha pholadiformis
- †Pholidops
- †Pholidostrophia
- †Pholidostrophia geniculata
- †Pholidostrophia gracilis
- †Pholidostrophia nacrea
- †Pholidostrophia ovata
- †Phragmolites
- †Physostoma
- †Physostoma winchellii
- †Physostoma Winchellii
- {{multiple image
| total_width = 248 | image1 = Plaesiomyiidae - Plesiomys subquadrata.JPG | alt1 = | image2 = PlatycerasLoganOhio.jpg | alt2 = | footer = Left: Fossilized shell of the Ordovician brachiopod Plaesiomys. Right: Fossilized shell of the Silurian-Early Triassic sea snail Platyceras.}} †Plaesiomys - †Planalveolitella
- †Planalveolitella parasitica
- †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
- †Pleurodictyum
- †Polygnathus
- †Primitia
- †Primitia cincinnatiensis
- †Primitiella
- †Primitiella stoningtonensis
- †Primitiella unicornis
- Proboscina
- †Productella
- †Proetus
- †Prosserella
- †Prosserella subtransversa
- †Protaraea
- †Protarea
- †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
- †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{{Compact ToC}}- †Rafinesquina
- †Rafinesquina alternata
- †Rafinesquina breviusculus
- †Rafinesquina pregibbosa
- †Rafinesquna
- †Rectograptus
- †Rectograptus amplexicaulis
- †Rectograptus peosta
- †Retispira
- †Rhabdocarpus
- †Rhabdocarpus mammilaris
- †Rhabdocarpus mansfieldi
- †Rhabdocarpus multistriatus
- †Rhinocaris
- †Rhipidomella
- †Rhipidomella penelope – or unidentified comparable form
- †Rhipidomella trigona
- †Rhipidomella vanuxemi
- †Rhipidothyris
- †Rhombotrypa
- †Rhombotrypa quadrata
- †Rhombotrypa subquadrata
- †Rhynchospirina
- †Rhynchotrema
- †Rhynchotrema minnesotensis – or unidentified comparable form
- †Rhynchotrema perlamellosum
- †Rugomena
- †Rutkowskicrinus
- †Rutkowskicrinus collieri – type locality for species
- †Rutkowskicrinus patriciae
- †Rutkowskiella – type locality for genus
- †Rutkowskiella tumula – type locality for species
S{{Compact ToC}}- †Samaropsis
- †Samaropsis Newberryi
- †Samaropsis newberryi
- †Scenella – tentative report
- †Schizophoria
- †Schizophoria ferronensis
- †Schizophoria mesacarina
- †Schizophoria tulliensis
- †Schuchertella
- †Scutellum
- †Semicoscinium
- †Semipora – tentative report
- †Serpulospira
- †Serpulospira diversiformis
- †Sigillaria
- †Sinuites
- †Spermatites
- †Spermatites cylix
- †Spermatites globosus
- †Spermatites reticulatus
- †Sphenophragmus
- †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
- {{multiple image
| total_width = 330 | image1 = Spirifer perlamosus pedunculate valve.jpg | alt1 = | image2 = Steth pair1.jpg | alt2 = | image3 = Lepido root top.jpg | alt3 = | footer = Left: Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer. Middle: Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus. Right: Fossil of the Carboniferous-Permian tree-like club moss relative rhizome Stigmaria.}} †Spirifer – report made of unidentified related form or using admittedly obsolete nomenclature - †Spyroceras
- †Stereotoechus
- †Stereotoechus typicus – or unidentified comparable form
- †Stethacanthus
- †Stictoporina
- †Stictoporina granulifera
- †Stigmaria
- †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
- †Streptelasma
- †Streptelasma divaricans
- †Streptelasma huronensis
- †Striatopora
- †Strobeus
- †Stromatocerium
- †Stromatocerium huronense
- †Stropheodonta
- †Stropheodonta demissa – or unidentified comparable form
- †Strophodonta
- †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
- †Sulcoretepora
- †Sulcoretepora deissi
- †Sulcoretepora incisurata
- †Sulcoretepora B – informal
- †Syringopora
T{{Compact ToC}}- †Technophorus
- †Technophorus quincuncialis
- †Tentaculites
- †Tetradella
- †Tetradella regularis
- †Tetradella subquadratus
- †Tetradium
- †Thamnopora
- †Thamnopora alpenensis
- †Thamnopora magniventra – type locality for species
- †Thamnoptychia
- †Thamnoptychia labyrinthica
- †Thamnoptychia minuitissima
- †Thamnoptychia silicensis
- †Trematis
- †Triarthrus
- †Trigonacarpolithus
- †Trigonacarpolithus typicus
- †Trigonocarpus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Trigonocarpus Noeggerathi
- †Trigonocarus
- †Trimerella
- †Trochonema
- †Tropidodiscus
- †Tropidodiscus compticarinatus – type locality for species
- †Tropidoleptus
- †Truncalosia
- †Turbinilopsis
- †Turbinilopsis anacarina – type locality for species
- †Turbonitella
- †Turbonitella trunculinoda
- †Tylothyris
V{{Compact ToC}}- †Vanuxemia
- †Vanuxemia noquerrwnaia
- †Vanuxemia strattoni
- †Vladanella
- †Vladanella lirata – type locality for species
W{{Compact ToC}}- †Warrenella
- †Warrenella laevis – or unidentified comparable form
- †Whitfieldella
- †Wisconsinella
- †Wisconsinella clelandi – type locality for species
Z{{Compact ToC}}- †Zeilleria
- †Zygospira
- †Zygospira modesta – or unidentified comparable form
References }}Uncited entries- {{cite web |title=Fossilworks: Gateway to the Paleobiology Database |author=Various Contributors to the Paleobiology Database |url=http://fossilworks.org/ |accessdate=7 August 2017}}
{{Era nav|title=Lists of the prehistoric life of Michigan|prefix=List of the |suffix= life of Michigan}}{{Lists of the Paleozoic life of the United States}}{{portalbar|Paleontology|Paleozoic|Michigan}} 5 : Geology of Michigan|Lists of prehistoric life in the United States|Natural history of Michigan|Paleontology in Michigan|Paleozoic life of North America |