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 538.8 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 †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 †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 †Atrypa