0.5" Tyrannosaur Fossil Premax Tooth Cretaceous Dinosaur Judith River FM MT COA Spinosaurus This association offers valuable insight

This association offers valuable insight into the rich marine ecosystems of the time and the environmental conditions these clams thrived in

arranged dorsally and ventrally rather than laterally as in mollusks

A 13-foot (4-meter) Xiphactinus could open its jaws wide enough to swallow a six-foot (2-meter) fish whole—an ability confirmed by fossil discoveries that preserve entire prey inside its body

They first appeared around 521 million years ago during the Atdabanian stage of the Early Cambrian period

Cephalon (head): Equipped with compound eyes

0.5" Tyrannosaur Fossil Premax Tooth Cretaceous Dinosaur Judith River FM MT COA Spinosaurus This association offers valuable insightLocation: Judith River Formation, Hill County, Montana (Private Land Origin) Weight: 0. 3 Ounces Dimensions: 0. 5 Inches Long, 0. 2 Inches Wide, 0. 2 Inches Thick Comes with a Free Display. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Probably an excellent Gorgosaurus or Albertosaurus tooth, based on the size and base height of the tooth cross section Albertosaurus, Gorgosaurus, and Daspletosaurus During the