Paleozoic
Selected Paleozoic taxa of Michigan
- † Acidaspis
- † Actinoceras
- † Alethopteris
Fossil of the Carboniferous horsetail relative Annularia - † Athyris
- † Atrypa
- † Aulopora
- † Bellerophon
- † Calamites
- † Callixylon
- † Calymene
- † Camarotoechia
Fossil of the Middle-Late Ordovician trilobite Ceraurus - † Chonetes
- † Climacograptus
- † Columnaria
- † Cordaites
- † Cornulites
- † Cornulites corrugatus
- † Cornulites flexuosus
- † Cornulites sterlingensis – or unidentified comparable form
- † Cyclonema
- † Cyrtolites
- † Eldredgeops
- † Encrinurus
- † Endoceras
- † Erieopterus
- † Favosites
Flexicalymene enrolled - † 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
- † Gilbertsocrinus
- † Girvanella
- † Grewingkia
- † Hallopora
- † Halysites
Fossil of the Devonian colonial rugose coral Hexagonaria , also known as a Petoskey stone - † Hindia
- † Holopea
- † Icriodus
- † Isotelus
- † Lepidodendron
- † Lepidostrobus
- † Lingula
- † Maelonoceras
- † Meristella
Fossilized shell of the Devonian brachiopod Mucrospirifer - † Murchisonia
- † Naticopsis
Fronds of the Carboniferous seed fern 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
- † Nuculoidea
- † Ogygites
- † Oncoceras
- † Orthoceras
- † Panenka
- † Paraspirifer
- † Pecopteris
- † Pentamerus
- † Phragmolites
- † Plaesiomys
Fossilized shell of the Silurian-Early Triassic sea snail Platyceras - † Platystrophia
- † Platystrophia acutilirata
- † Platystrophia annieana
- † Platystrophia clarkesvillensis
- † Platystrophia clarksvillensis
- † Platystrophia cypha – or unidentified related form
- † Platystrophia moritura
- † Pleurodictyum
- † Polygnathus
Restoration of the Silurian trilobite Proetus - † Samaropsis
- † Scenella – tentative report
- † Scutellum
- † Sigillaria
- † Sphenophyllum
- † Sphenopteris
- † Spirifer – report made of unidentified related form or using admittedly obsolete nomenclature
- † Spyroceras
Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus - † Stigmaria
- † Stigmatella
- † 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
- † Syringopora
- † Tentaculites
- † Tetradium
Restoration showing the top (left) and underside of the Late Ordovician trilobite Triarthrus
