Forgotten fossil indicates earlier origin of teeth

24 junio 2015

A tiny tooth plate of the 410 million year old fossil fish Romundina stellina indicates that teeth evolved earlier in the tree of life than recently thought. Jaws and teeth have been important innovations in the evolution of vertebrate animals. More than 98% of vertebrate animals have jaws.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xJeXXeQzZ-c/150624090603.htm

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