List of the prehistoric life of Mississippi

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

The Paleobiology Database records no known occurrences of Precambrian or Paleozoic fossils in Mississippi.

A living Acteon barrel bubble sea snail
Fossilized skeleton of the gar Atractosteus
Illustration of the shell in multiple views of a Bittium cerith sea snail
A living Carcharias sand tiger shark
Fossil of the Early Cretaceous-Eocene shark Cretolamna
Shell of a Dentalium tusk shell
Restoration of the Early Cretaceous-Eocene bony fish Enchodus , or the "saber-toothed herring"
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
Life restoration of two of the Late Cretaceous Mosasaurus
Shell of an Ostrea , or oyster
Restoration of the Late Cretaceous mosasaur Platecarpus
Restoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus
Fossilized shell of a Trachycardium cockle
Life restoration of the Cretaceous bony fish Xiphactinus
Shell of an Acanthocardia cockle
A living Alligator mississippiensis , or American alligator
Multiple views of a shell of an Aporrhais pelican foot sea snail
Life restoration of the Eocene whale Basilosaurus
A living Carcharodon shark
Life restoration of the Paleocene-Eocene pantodont mammal Coryphodon . Heinrich Harder (1920).
Mounted fossilized skeleton of the Eocene whale Cynthiacetus
Fossilized skull of the Paleocene-Eocene mammal Ectocion
A living Ficus , or fig tree
Life restoration of the Eocene whale Georgiacetus
Illustration of a fossilized partial cranium of the Eocene odd-toed ungulates Hyracotherium
Living Limaria , or file shells
Restoration of a Mammut americanum , or American mastodon
Restoration of the Eocene-Miocene swamp rhinoceros Metamynodon . Charles R. Knight (1896).
Life restoration of the Pleistocene-Holocene ground sloth Mylodon with an inset depicting its excrement and a skin fragment
Restoration of the Cretaceous-Eocene sea snake Palaeophis
A living Platyrhina ray
A living Pristis sawfish
Fossilized skeleton of the Late Cretaceous-Eocene bony fish Pycnodus
A living Semicassis helmet sea snail
Life restoration of the Eocene-Oligocene cow-sized rhinoceros Subhyracodon . Charles R. Knight (1890s).
Fossilized shell of a Trachycardium cockle
A living Ursus americanus , or American black bear
Life restoration of the Eocene whale Zygorhiza