Ideas, Inventions And Innovations : 2.5 Billion Tyrannosaurus Rexes Roamed North America over a Period of 2.5 Million Years
Ideas, Inventions And Innovations 2.5 Billion Tyrannosaurus Rexes Roamed North America over a Period of 2.5 Million Years Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. Image by Julius Csotonyi, courtesy of Science magazine How many Tyrannosaurus rexes roamed North America during the Cretaceous period? That’s a question Charles Marshall pestered his paleontologist colleagues with for years until he finally teamed up with ...
Source: ineffableisland.com