0.6" Postosuchus Rauisuchid Archosaur Fossil Tooth Chinle Formation AZ COA Display Insect and mammals—including the oldest known

and mammals—including the oldest known pantolestid

Fifty million years ago

and other small aquatic animals

Trilobites inhabited a wide range of marine environments and were a fundamental part of early ocean ecosystems

0.6" Postosuchus Rauisuchid Archosaur Fossil Tooth Chinle Formation AZ COA Display Insect and mammals—including the oldest knownLocation: Chinle Formation, Arizona (Private Land Origin) Weight: 0. 3 Ounces Dimensions: 0. 6 Inches Long, 0. 3 Inches Wide, 0. 2 Inches Thick Comes with a Certificate of Authenticity. Comes with a Free Display. The item pictured is the one you will receive. This is a genuine fossil. Late Triassic, 237 to 201 million years old. Postosuchus is an extinct genus of rauisuchid archosaurs that lived during the Late Triassic period, roughly 237 to 201