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submitted 3 months ago by General_Effort@lemmy.world to c/science@lemmy.world

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WHAT?!

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[–] gofsckyourself@lemmy.world 6 points 3 months ago* (last edited 3 months ago) (1 children)

I wonder if this was how sharks got their skin teeth

[–] cjoll4@lemmy.world 3 points 3 months ago (1 children)

Holy crap. I'd heard of placoid scales but had no idea they were homologous to teeth. Thank you for sharing.

[–] gofsckyourself@lemmy.world 2 points 3 months ago

It's just a cool piece of information that it's impossible not to share.