The scourge of the Permian Seas, about 260 million years ago, helicoprion is a genus of extinct, shark-like, eugeneodontid holocephalid fish.
What what?
It had a circular saw for a mouth! Get one!
Helicoprion
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The scourge of the Permian Seas, about 260 million years ago, helicoprion is a genus of extinct, shark-like, eugeneodontid holocephalid fish.
What what?
It had a circular saw for a mouth! Get one!
