List of the prehistoric life of Minnesota

This list of the prehistoric life of Minnesota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Minnesota.

The Paleobiology Database records no known occurrences of Precambrian fossils in Minnesota.

Reconstructive diagram (left) of a fossil (right) of the Ordovician sea urchin Bothriocidaris . The short spines which were attached to the tubercles are not drawn.
Assemblage of fossilized shells of the Ordovician brachiopod Cincinnetina
Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras
Fossil of the Middle-Late Ordovician giant trilobite Isotelus .
Fossil of the Late Ordovician cystoid echinoderm Pleurocystites
Fossils of the Cambrian mollusc Scenella
Fossil of the Ordovician-Devonian sea star Urasterella
A living Acteon barrel bubble sea snail
Interior and exterior of a shell of an Anomia , or jingle shell
Fossilized shell of the Late Cretaceous ammonoid cephalopod Calycoceras
Fossil of the Early Cretaceous-Eocene shark Cretolamna
Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis
Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras
Life restoration of the Late Cretaceous shark Squalicorax
Fossilized skull of the Late Cretaceous crocodilian relative Terminonaris
Restoration of a Mammut americanum , or American mastodon