Add Yahoo as a preferred source to see more of our stories on Google. The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil ...

Let's talk about (ratfish) sex, baby. After analyzing the tissue, researchers discovered these are actual mouth teeth growing out of the forehead. They found dental lamina (the structure that sprouts ...

The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil record helped them establish the historical significance of this structure, ...

There’s no shame at all in having problems in the bedroom, but ‘sorry, my forehead teeth won’t get up,’ might be a new one. Male ratfish, also called ghost sharks, live in the depths of the ...

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A study in the Journal of Morphology shows how the bizarre prehistoric ratfish called a Helicoprion ate with its unique set of choppers. A Helicoprion was a prehistoric ratfish that featured perhaps ...

CT (computed tomography) scan of the adult male Spotted Ratfish frontal clasper (Tenaculum) covered in rows of teeth (rainbow colors). Male “ghost sharks” — eerie deep-sea fish known as chimaeras that ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. What’s the weirdest thing you learned this week? Well, whatever ...