Dinosauria
Saurischia
Theropoda
Tetanurae
Coelurosauria
Tyrannosauroidea
Tyrannosauridae
Late Cretaceous
Western North America
Length: 12.3 m
What does the T. rex say? Lacking the syrinx found in modern birds, T. rex could've growled and hissed like modern crocodilians, but it almost certainly could not have roared. Sorry, Spielberg.
January 18th, 2015
