The banner of Tyrannosaurus Rex is coming!!! Dinosaur flag is one of the most popular decorations in recent years. Tyrannosaurus Rex was first listed as a reptile order, but now it is an independent class. During the Mesozoic, from Triassic to Baicao, it was very prosperous and extinct at the end of Mesozoic and the Read more about The banner of Tyrannosaurus Rex[…]