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.
Fossilized fronds of the Carboniferous-Early Cretaceous seed fern
Alethopteris
Fossil of the Carboniferous horsetail relative
Annularia
Fossilized shell of the Late Ordovician-Carboniferous brachiopod
Atrypa
Fossilized shell of the Silurian-Early Triassic mollusc
Bellerophon
Fossilized stems from the Carboniferous-Permian horsetail relative
Calamites
Fossil of the Early Ordovician-Early Devonian trilobite
Calymene
Fossil of the Middle-Late Ordovician trilobite
Ceraurus