Stygimoloch vs T. rex

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Brandon Pilcher

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Published on March 14, 2025 4:04:29 PM ● Video Link: https://www.youtube.com/watch?v=aVMMJhGRMOM

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66 million years ago in Late Cretaceous North America, a brave (or perhaps foolish) little Stygimoloch spinifer has dared to go up against the mighty Tyrannosaurus rex!

For several years, paleontologists have considered Stygimoloch to be a juvenile form of Pachycephalosaurus. However, a paper published in January 2025 argued that Stygimoloch might be its own dinosaur after all, since its remains consistently occur in younger rock layers than those of Pachycephalosaurus. It might have appeared no earlier than the last five hundred millennia of the dinosaurs' reign, making it one of the last non-avian dinosaur species to have ever evolved.

#stygimoloch #tyrannosaurusrex #dinosaurs #paleoart #art