An ancient species of shark called Orthacanthus engaged in filial cannibalism, a behavior that happens when adults of the species feasted on their own young. The Orthacanthus sharks lived about 300 ...

BRISTOL, England, Aug. 11 (UPI) --Scientists recently found dozens of baby Orthacanthus shark teeth in ancient coprolites -- fossilized feces -- deposited by adult Orthacanthus sharks. The evidence ...

Until recently, Orthacanthus gracilis could have been considered the 'John Smith' of prehistoric shark names, given how common it was. Three different species of sharks from the late Paleozoic Era -- ...

Tooth of the xenacanthiform shark Orthacanthus lintonensis Babcock, 2024, from the Upper Freeport Coal (Carboniferous) of Linton, Ohio. The tooth is about 13 mm long. Disclaimer: AAAS and EurekAlert!

Prehistoric sharks that lived some 300 million years ago ate their babies, palaeontologists have said. This grim discovery was made possible thanks to an analysis of ancient coprolites – fossilised ...

Most people would have probably flicked the rock aside, but Ó Gogáin knew that he had picked up the scat of an ancient creature with a corkscrew-shaped rectum You can save this article by registering ...

Aodhán Ó Gogáin, a PhD candidate in the School of Natural Sciences at Ireland's Trinity College, uncovered an interesting new bit of information about a 300-million-year-old shark. New fossils of ...

Scientists have discovered macabre fossil evidence suggesting that 300 million-year-old sharks ate their own young, as fossil faeces of adult Orthacanthus sharks contained the tiny teeth of juveniles.

Tooth of the xenacanthiform shark Orthacanthus lintonensis Babcock, 2024, from the Upper Freeport Coal (Carboniferous) of Linton, Ohio. The tooth is about 13 mm long. COLUMBUS, Ohio – Until recently, ...