This article contains a list of fossil-bearing stratigraphic units in the state of Arizona, U.S.
Protosuchidae was a family of crocodylomorph reptiles from the Late Triassic, Jurassic, and Cretaceous time periods. They were closely related to the Gobiosuchidae.
Stockoceros is an extinct genus of the North American artiodactyl family Antilocapridae (pronghorns), known from what is now Mexico and the southwestern United States. The genus survived until about 12,000 years ago, and was present when Paleo-Indians reached North America.
The Black Prince Limestone is a geologic formation in Arizona. It preserves fossils dating back to the Carboniferous period.
The Naco Formation is a geologic formation in Arizona. It preserves fossils dating back to the Pennsylvanian subperiod.
The Paradise Formation is a geologic formation in Arizona. It preserves fossils dating back to the Carboniferous period.
The Watahomigi Formation is a geologic formation in the Grand Canyon region of Arizona.
The Amole Arkose is a geologic formation in Arizona. It preserves fossils dating back to the Cretaceous period.
The Mural Limestone is a geologic formation of the Bisbee Group in Arizona and Mexico. It preserves fossils dating back to the Cretaceous period.
The Toreva Formation is a geologic formation in Arizona. It preserves fossils dating back to the Cretaceous period.
The Molly Gibson Formation is a geologic formation in Arizona. It preserves fossils dating back to the Cretaceous period.
The Martin Formation is a geologic formation in Arizona. It preserves fossils dating back to the Devonian period.
The Big Sandy Formation is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period.
The Milk Creek Formation is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period.
The Onyx Marble is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period.
The Quiburis Formation is a geologic formation in Arizona. It preserves fossils dating back to the Neogene period. It was entered into the National Register of Historic Places in 1971.
The Colina Formation is a geologic formation in Arizona and Mexico. It preserves fossils dating back to the Permian period.
The Earp Formation is a geologic formation in Arizona. It preserves fossils dating back to the Permian period.
The Fort Apache Formation is a geologic formation in Arizona. It preserves fossils dating back to the Permian period.
The St. David Formation is a geologic formation in Arizona. It preserves fossils.
The Naco Group is a geologic group in Arizona. It preserves fossils dating back to the Permian period.