Among these oceanic giants swam Helicoprion, a unique prehistoric fish that has puzzled scientists for over a century. What sets Helicoprion apart from its contemporaries is a peculiar spiral of ...

The helicoprion roamed the world’s oceans between 275 and 235 million years ago, hunting prey with its terrifying buzzsaw jaw. The curved, spiral-shaped jaw contained several hundred teeth and ...

However, there existed an ancient shark known as *Helicoprion* that, while not larger, was monstrous in its own unique way with a peculiar and fearsome dentition that contrasts sharply with anything ...

Helicoprion. Image via Openverse. One of the ocean’s most bizarre prehistoric predators, Helicoprion, lived around 270 million years ago. Recognizable by its spiraled, saw-like jaw, this cartilaginous ...

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