23 julio 2015
An “absolutely exquisite” fossil of a snake that had four legs has been discovered by a team of scientists and may help show how snakes made the transition from lizards to serpents.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/pPcNMwkJzjA» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pPcNMwkJzjA/150723140142.htm
