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

Billions of T. rex likely roamed the Earth, paleontologists report

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A total of some 2.5 billion T. rex roamed the Earth, study finds

November, 2021 Everything Dinosaur Blog

Palaeontology: More than 2.5 BILLION T. Rexes roamed the Earth

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