325m-year-ancient shark ancestor with tiny teeth and fish-like features challenges the predator’s ‘living fossils’ status Sharks’ long-held status as primeval “living fossils” unchanged since before the time of dinosaurs has been challenged by a new fossil discovery which suggests the creatures contain modernised far more than previously thought.
Findings by US researchers,published in Nature, describe the discovery of 325m-year-ancient fossils found in the Ozark mountains in Arkansas in the US.
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Source: theguardian.com