3.9" Phytosaur Fossil Rib Bone Late Triassic Age Archosaur Chinle FM, AZ COA Insect brontotheres are only distantly related

brontotheres are only distantly related

were encased from head to tail in thick

whose bold suture patterns tell the story of their evolution

Their disappearance coincided with the mass extinction event that also wiped out the dinosaurs

3.9" Phytosaur Fossil Rib Bone Late Triassic Age Archosaur Chinle FM, AZ COA Insect brontotheres are only distantly relatedLocation: Chinle Formation, Arizona (Private Land Origin) Weight: 1. 9 Ounces Dimensions: 3. 9 Inches Long, 0. 7 Inches Wide, 0. 6 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Late Triassic 242 To 199 Million Years Old Phytosaurs were large predatory reptiles that thrived during the Late Triassic period, long before the rise of true crocodiles. These semi aquatic archosaurs inhabited rivers,