Tinker the Juvenile Tyrannosaurus rex, Tooth Stegosaurus Terataspis grandis is found in

Terataspis grandis is found in both the lower Onondaga Limestone of western New York

During the Eocene

Its body had 40 vertebrae

Class: Echinoidea

Actinocrinites

Tinker the Juvenile Tyrannosaurus rex, Tooth Stegosaurus Terataspis grandis is found inDescription This is a very nice replica Trex tooth from the specimen knows as Tinker, a juvenile. Paleontologist Dr. Robert T. Bakker stated the following: "Tinker is one of the most scientifically significant and most exciting T. rex skeletons ever found, and one of the most important dinosaur specimens from any age and any locale. Tinker is the very first most complete skeletons of a T. rex youngster, an individual only one fourth adult weight."