n the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
n small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
Ancient Eel-Like Chordates Linked To Evolution Of Human Skeleton redOrbit Staff & Wire Reports - Your Universe Online An international team of paleontologists has published new research in the journal Nature revealing that the human skeleton did not evolve from ancient predatory fossil fish, as previously believed. Rather, the human skeleton evolved as a way to protect against predators such as the conodont , extinct eel-like chordates that evolved tooth-like ...
Oct. 17, 2013 - redOrbit