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

The iconic predator’s estimated abundance means the T. rex fossils we have today are exceedingly rare.

New dinosaur dubbed 'one who causes fear' may have been MORE terrifying than T. rex - Study Finds

T. rex: about 2.5 billion over 185 million years of dominance

Billions and billions of tyrannosaurs walked the Earth

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

Billions of T.rex dinosaurs roamed North America, study shows

Tyrannosaurus rex: The world's most popular dinosaur, Dinosaurs

Total T. Rex Population During Species' Existence Was 2.5 Billion, rex

In All of Time, 2.5 Billion Tyrannosaurus Rexes Have Roamed Earth, Smart News

Massive Cache of Dangerous Carnivores Found

T. rex: about 2.5 billion over 185 million years of dominance

Study: About 2.5 billion T. Rex roamed Earth but not at once

T. rex's long legs were made for marathon walking, t rex

The Maximum Number Of T. Rex To Ever Walk The Earth Was 1.7