Home Science Jurassic shark: Shark from the Jurassic period was already highly evolved

Jurassic shark: Shark from the Jurassic period was already highly evolved

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Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, Protospinax annectans, which demonstrate that sharks were already highly evolved in the Late Jurassic.

Source: ScienceDaily.com