Newly found ring of teeth uncovers what common ancestor of molting animals looked like

24 junio 2015

A new analysis of one of the most bizarre-looking fossils ever discovered has definitively sorted its head from its tail, and turned up a previously unknown ring of teeth, which could help answer some of the questions around the early development of molting animals.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5ZuLeOA681w/150624140239.htm

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