Paleontologists Stunning Conclusion: 2.5 Billion T. Rexes Roamed North America Over the Cretaceous Period

Analysis of what's known about the dinosaur leads to conclusion there were 2.5 billion over time. 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

2.5 billion T rex roamed Earth, but not all at once

Dinosaur Tracks, Museums and Hikes — Discover Moab, Utah

More than 2.5BILLION T-Rexes walked Earth before dinosaurs died

Jurassic Period—201.3 to 145.0 MYA (U.S. National Park Service)

Science News & Research Discoveries - Page 96 of 205 - SciTechDaily

Number of T-rexes that lived in North America could have been in

2.5 billion T. rex roamed Earth, study finds

Steam общност :: Ръководство :: The Real Animals of ARK

Early tyrannosaurs would have feared this predator

The Prehistoric Times Magazine

Where are the dinosaurs? - GeoscienceINFO

Paleontologists Uncover One Of The Largest Predators To Roam

Tyrannosaurus rex Domain Of The Bears

More than 2.5BILLION T-Rexes walked Earth before dinosaurs died