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Tyrannosaurus Rex
author: Walter B. Myers/Novapix
reference: t-din03-31006
Image Size 300 DPI: 35 * 22 cm
A 40 foot long, seven ton coelurosaurian theropod dinosaur of the species Tyrannosaurus rex wanders among oak trees and ground ferns 68 million years ago on a Cretaceous island continent known as Laramidia in what is today the western United States.
This example of Tyrannosaurus rex hosts fur-like downy feathers on its head, back and along the top of its tail. While it's not known whether Tyrannosaurus rex was feathered, other tyrannosaur fossils have shown tantalizing evidence of them.
On the lower left is a rodent-size proto-primate of the genus Purgatorius, and in the lower middle is an amphibious tetrapod of the family Salamandridae.
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