Cretaceous_mammal_ratlike

A depiction of the small rat-like mammals, that lived 145 million years ago, believed to be the earliest known ancestors of most modern mammals, including humans. Image courtesy of Dr Mark Witton, palaeo-artist, University of Portsmouth.

A depiction of the small rat-like mammals, that lived 145 million years ago, believed to be the earliest known ancestors of most modern mammals, including humans. Image courtesy of Dr Mark Witton, palaeo-artist, University of Portsmouth.

Posted 
November 13, 2017
 in 

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