Billions of T. rex likely roamed the Earth, paleontologists report
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The iconic predator’s estimated abundance means the T. rex fossils we have today are exceedingly rare.
About 2.5 billion T. Rex roamed Earth but not at once
Scientists say T. Rex walked as slowly as humans
The Maximum Number Of T. Rex To Ever Walk The Earth Was 1.7
古生物新闻（2021年4月12日-4月25日） - 知乎
A total of some 2.5 billion T. rex roamed the Earth, study finds
Researchers now have an estimate for just how many T. rex once roamed Earth
Mass fossil site may prove tyrannosaurs lived in packs
T. REX TALLY Simanaitis Says
Newly discovered, primitive cousins of T. rex shed light on the
Billions of T. rex likely roamed the Earth, paleontologists report
Dinosaurs: Billions of T-Rex once roamed the Earth, scientists say
