1) Transitional fossil
Found on
https://www.crosswordclues.com/clue/yanoconodon
Yanoconodon is a monotypic genus of extinct early mammal whose representative species Yanoconodon allini lived during the Mesozoic in what is now China. It is considered to be a transitional fossil due to the formation of its middle ear, which is a cross between those of modern mammals and their nearest relatives, the mammaliaformes. It was found ...
Found on
http://en.wikipedia.org/wiki/Yanoconodon
No exact match found.
