Triassic Crocodile Relative May Have Learned to Walk on Two Legs

Mar 9, 2026 - 13:45
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Triassic Crocodile Relative May Have Learned to Walk on Two Legs
An artist’s reconstruction of Sonselasuchus cedrus in its environment in what is now Petrified Forest National Park, 215 million years ago. Image credit: Gabriel Ugueto.

Fossils from the Chinle Formation of Petrified Forest National Park in Arizona, the United States, reveal that Sonselasuchus cedrus, a species of shuvosaurid that lived about 215 million years ago (Triassic period), likely began life walking on four legs before shifting to a bipedal stance as it matured.

The post Triassic Crocodile Relative May Have Learned to Walk on Two Legs appeared first on Sci.News: Breaking Science News.

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