Sharks have been around longer than trees (that’s a fact you’re just going to have to accept, because things get much stranger from here). Alongside other cartilaginous fishes like rays and chimaera, ...
The shark family tree might be more complicated than previously thought. Scientists have long assumed that sharks are a ...
Chondrichthyes II : Mesozoic and Cenozoic Elasmobranchii / by Henri Cappetta Smithsonian Libraries and Archives ...
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