Scientists thought this fossil was a teen T. rex. Turns out it's a new tyrannosaur

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

One of science’s biggest dinosaur debates may finally be settled

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...
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'I was wrong': Dinosaur scientists agree that small tyrannosaur Nanotyrannus was real, pivotal new study finds

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

This tiny T. rex is actually a new species

Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...

Newly discovered skeleton rewrites ‘decades of research’ over T. rex

Newly discovered skeleton rewrites ‘decades of research’ over T. rex - The new skeleton is dubbed ‘Dueling Dinosaurs’ because ...
New Atlas

Case of mistaken identity rewrites T. rex – and dinosaur predator – history

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...