Four-legged Snake Fossil Found

Researchers discover an unprecedented paleontological relic that may just rewrite the book on snake evolution.

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Is Tetrapodophis amplectus the missing link between lizards and snakes?IMAGE - DAVE MARTILL, UNIVERSITY OF PORTSMOUTHJust as the fossil Archaeopteryx is widely considered to be an evolutionary link between dinosaurs and birds, scientists now have the missing link between lizards and snakes, according to researchers who discovered a remarkable fossil in a German museum. The fossilized new species, Tetrapodophis amplectus, has four prehensile limbs but other characteristics that are distinctly snake-like, such as an elaborately elongated body and large ventral scales.

“From a developmental perspective, this could be one of the most important fossils ever found,” evolutionary biologist Martin Cohn of the University of Florida, Gainesville, told Nature. “The combination of a snake-like body with complete forelimbs and hindlimbs is like a snake version of Archaeopteryx,” Cohn, who was not involved with the research, added.

The fossilized Tetrapodophis, whose name loosely translates as four-legged hugging snake, was unearthed in Brazil decades ago from a fossil-rich, Cretaceous deposit. It sat in the collections at the Bürgermeister Müller Museum in Solnhofen, Germany, until paleobiologist David Martill from the University of Portsmouth in the U.K. noticed that the snake fossil had four legs while he was leading a student group through the museum. “And then my jaw just dropped,” ...

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Meet the Author

  • Bob Grant

    From 2017 to 2022, Bob Grant was Editor in Chief of The Scientist, where he started in 2007 as a Staff Writer.
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