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This is a list of stratigraphic units (groups, formations and members), containing fossils and pertaining to the North American country of Mexico.
The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician.
The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period.
The Osgood Formation, also known as the Osgood Shale is a geologic formation in Indiana, Kentucky, and Ohio. It preserves fossils dating back to the Silurian period.
The Black River Group is a geologic group in Illinois and West Virginia. It preserves fossils dating back to the Ordovician period.
The Warsaw Formation is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian subperiod.
The Black Creek Group is a geologic group in North Carolina. It preserves fossils dating back to the Late Cretaceous period.
The Prairie Bluff Chalk is a geologic formation in Alabama and Mississippi. It preserves fossils dating back to the Cretaceous period.
The Navarro Group is a geologic group in Arkansas, Texas and Coahuila, Mexico. It preserves fossils dating back to the Cretaceous period.
The Taylor Marl is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Benevides Formation is a geologic formation in Texas and Mexico. 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 Colina Formation is a geologic formation in Arizona and Mexico. It preserves fossils dating back to the Permian period.
The La Joya Formation is a Jurassic period geologic formation in north central Mexico. It is located in the Sierra Madre Oriental range, in southwestern Tamaulipas state.
The Torgugas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.
The Mazantic Shale is a geologic formation in Chiapas, Mexico. It was deposited during the Early Miocene (Aquitanian). The formation comprises dark gray shales that were deposited in a marine environment. It preserves fossils, such as the turtle Allaeochelys liliae. Amber as been recovered from it.
The Las Encinas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period.