0.5" Phytosaur Fossil Tooth Triassic Age Archosaur Redonda FM NM COA & Display Copper Their shells were divided into

Their shells were divided into three longitudinal lobes: a central axial lobe and two symmetrical pleural lobes

around 500 square miles of sediment remain

Low oxygen levels and specific water chemistry slowed the decay of organic material and reduced scavenging

They are among the earliest arthropods known from the fossil record

Initially known from isolated skulls and teeth

0.5" Phytosaur Fossil Tooth Triassic Age Archosaur Redonda FM NM COA & Display Copper Their shells were divided intoLocation: Redonda Formation, New Mexico (Private Land Origin) Weight: 0. 2 Ounces Dimensions: 0. 5 Inches Long, 0. 4 Inches Wide, 0. 3 Inches Thick Comes with a free Display. 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 formidable semi aquatic archosaurs that dominated Upper Triassic ecosystems, displaying striking morphological similarities to