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Teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish, fossil scans find (phys.org)

submitted 1 month ago by [email protected] to c/[email protected]

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WHAT?!

Original paper: https://www.nature.com/articles/s41586-025-08944-w

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[–] [email protected] 1 points 1 month ago (1 children)

swim bladder

I beg your pardon

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[–] [email protected] 1 points 1 month ago

Swim bladders evolved from lungs. You wouldn't think that something that makes the fishies better ocean divers originally evolved to let them breathe air.

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