Homotelus bromidensis, trilobite (Replica) Spinosaurus with cheek-teeth separated from the

with cheek-teeth separated from the chisel-like front teeth by a wide tooth-less gap

Order: Lytoceratida

Allosaurus fragilis Location: Mesa County

The next surprise about Tinker was two broken and headed ribs

had an estimated body weight of 200–330 pounds

Homotelus bromidensis, trilobite (Replica) Spinosaurus with cheek-teeth separated from theThis trilobite mortality plate is from the Ordovician of Oklahoma. Trilobites are very well known, and possibly the second most famous fossil group after the dinosaurs with some 15,000 known species. Trilobites are extinct arthropods that form the class Trilobita. They appeared at the start of the Cambrian period and flourished throughout the lower Paleozoic era before beginning a drawn out decline to extinction when the last of the trilobites