Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of sharks.
Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of evolution’s most haunting survivors. Long before forests reshaped Earth’s ...
150-million-year-old shark fossil in Germany defies classification. Bavariscyllium fossil reveals unique features and sensory organs. Study suggests shark evolution is more complex than once believed.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results