Scientists have discovered a world first association while scanning a 250 million year old fossilized burrow from the Karoo Basin of South Africa. The burrow revealed two unrelated vertebrate animals nestled together and fossilized after being trapped by a flash flood event.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/n...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/n...