Ancient shark fossil reveals new insights into jaw evolution
Washington DC (SPX) Apr 23, 2014 - The skull of a newly discovered 325-million-year-old shark-like species suggests that early cartilaginous and bony fishes have more to tell us about the early evolution of jawed vertebrates-including humans-than do modern sharks, as was previously thought. The new study, led by scientists at the American Museum of Natural History, shows that living sharks are actually quite advanced in evo ... more

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