Tinker the Juvenile Tyrannosaurus rex, tooth as found in the matrix Styracosaurus (This hypothesis is partly based

(This hypothesis is partly based on analogy with aboriginal harpoons that had tethered foreshafts Cotter 1937)

It makes the untimate back scratcher

roughly 280 million years ago

This theropod was slightly longer than T

Plant Life in the Devonian Period

Tinker the Juvenile Tyrannosaurus rex, tooth as found in the matrix Styracosaurus (This hypothesis is partly basedThis is a direct cast replica of a juvenile tooth. It is 9 inches long and cast as found in the matrix. 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.