Skull Strength Trumps Tiny Arms: New Study Solves T. rex Arms Mystery
TL;DR
A study published in the Proceedings of the Royal Society B analyzed 85 dinosaur species and found that tiny arms in T. rex and other giant carnivores are an evolutionary trade-off for increasingly large skulls; as skull strength rose to deliver more bite power, forelimbs shrank across multiple lineages around the world over roughly 180 million years, though their exact function remains unclear.
- Why did T. rex have tiny arms? A new study may finally have the answer KSL.com
- The mystery of T. rex’s tiny arms might finally be solved CNN
- Ever Wondered Why the T. Rex Had Such Small Arms? Scientists May Have Just Found an Answer People.com
- Why meat-eating dinosaurs like T. rex evolved tiny arms Phys.org
- Mystery of Tyrannosaurus rex’s Tiny Arms May Finally Have an Answer Sci.News
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