'Teenage T.rex' Fossil is actually a different species

Fossil Finds
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A fossil once assumed to be of a young Tyrannosaurus rex is in fact that of a different species altogether, and the dinosaur it belongs to was a fully grown adult at the time of its death, paleontologists have found.

https://www.nature.com/articles/d41586-025-03553-z

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From the NC Museum of Natural Scinces

Nanotyrannus Confirmed: Dueling Dinosaurs Fossil Rewrites the Story of T. rex

https://naturalsciences.org/calendar/news/nanotyrannus-confirmed/

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From Smithsonian Magazine

Decades-Long Debate on ‘Teenage’ Tyrannosaur Fossils Takes Another Turn

https://www.smithsonianmag.com/smart-news/decades-long-debate-on-teenage-tyrannosaur-fossils-takes-another-turn-180983524/

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And all from a fossil housed right here in North Carolina!

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We’re lucky that the NCMNS was able to purchase it! Would have been terrible for it to end up in a private collection