Tyrannosaurus rex (Hank) rib Troodon Desmostylus is thought to have

Desmostylus is thought to have lived in shallow water in coastal regions

With these elements

are interpreted as body fossils of unknown affinities rather than trace fossils

The crest was up to 6 feet (1

Tyrannosaurus rex (Hank) rib Troodon Desmostylus is thought to haveThis Tyrannosaurus rex rib is cast from a newly discovered and undescribed specimen located in the upper Cretaceous rocks of northern Montana's Hell Creek Formation. This new Trex is dubbed Hank after the discoverer. There are only about 30 named specimens of Trex in the world and while their bones are indeed rare casts, of original bones of Trex made available to the public are even more rare. Shipping Included