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That's 800 million fewer than a previous estimate suggested.
As many as 1.7 billion T-rexes once dominated the planet, finds new study - Interesting Engineering
Paleontologists reveal 'the most dangerous place in the history of planet Earth'. 100 million years ago, ferocious predators, including flying reptiles and crocodile-like hunters, made the Sahara the most dangerous place on
Scientists Discover Pregnant T. Rex Fossil
Montana T. rex to arrive at Smithsonian in April
New study says 1.7 billion T-Rexes roamed the earth before going extinct
The Maximum Number Of T. Rex To Ever Walk The Earth Was 1.7 Billion, t rex
Largest prehistoric animals - Wikipedia
Why is T. rex everyone's favorite dinosaur? Aren't there like a billion cooler dinosaurs? - Quora
Tyrannosaurus rex, t rex
New research bites into old Jurassic era T-rex population estimates
Size Comparison Between A Megalodon Shark And A T-Rex : r/woahdude
Jurassic World Explorers: WORLD'S BIGGEST T-REX!
1.7 billion Tyrannosaurus rexes walked the Earth before going extinct, new study estimates