Prehistoric Animals That We Are Glad Went Extinct

Helicoprion

#5 Helicoprion

A creature from the Paleozoic era, the Helicoprion is a petrifying specimen of the underwater.

Carrying a circular blade instead of teeth in its mouth, this creepy ratfish is more than just an anomaly in the otherwise vibrant marine ecosystem.

Looking at the Helicoprion’s freakishly strange body, you might wonder how on earth this animal ever came into existence.

Its gigantic body resembling a shark only adds on to the terrifying effect this catfish creates with its whorl of blades in the mouth.

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