A fish that swam on an ancient barrier reef in Australia 380 million years ago had fins and nostrils remarkably similar to the limbs and ears of the first four-limbed creatures to walk on land, according to a new study.
Four-limbed land animals, also known as tetrapods, such as modern amphibians, reptiles, birds, and mammals, evolved from lobed-finned fish.
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The new finding suggests that certain aspects of tetrapod ears and limbs can be traced much further back in "fishy looking" fish than had been previously known, says John Long, head of sciences at Museum Victoria in Melbourne, Australia.
Thursday, October 19, 2006
Non-archaeological news Ancient Fish Fossil May Rewrite Story of Animal Evolution