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New fossil reveals the weird ‘tooth cushions’ of an apex predator from 425 million years ago

  • Written by Brian Choo, Postdoctoral Fellow in Vertebrate Palaeontology, Flinders University
New fossil reveals the weird ‘tooth cushions’ of an apex predator from 425 million years agoThe ancient fish _Megamastax amblyodus_.Brian Choo, CC BY-NC-ND

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a metre-long bony fish with jaws full of clusters of spiky teeth.

Long extinct, this predatory fish (Megamastax amblyodus) was an ancient forerunner of all animals with a skeleton and a backbone...

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