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Study finds spider-tailed viper's lure is pure skin, no special bones

New CT scans reveal 'bizarrely normal' vertebrae under the fake spider

A study led by the Polish Academy of Sciences and the Field Museum, published in The Anatomical Record, used 3D CT imaging of the 1968 specimen and found the vertebrae supporting the bulbous tail tip look completely ordinary, meaning the spider-like shape comes entirely from soft-tissue modification rather than unique bone structure.

New CT scans reveal 'bizarrely normal' vertebrae under the fake spider
smithsonianmag.com

“There was nothing in the snake's skeleton that would suggest how extreme its tail looks on the outside”

Georgios Georgalis

Georgios Georgalis Lead author, paleontologistSara Ruane Senior author, herpetologist, Field MuseumTiago Simões Evolutionary biologist, Princeton University (uninvolved)

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  1. first by Nautilus, 13d ago · also Smithsonian

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