EVOLUTION:
'Living Fossil' Fish Is Dethroned
Wade Roush
Biologists have been debating for decades exactly which members of the fish family first made the bold move to a life on land--and therefore which of their descendants are our closest living gilled relatives. Now a new DNA analysis may have put the popular favorite, the "living fossil" known as the coelacanth, out of the running. Its place has been taken by the lungfish.