Oddest couple share 250 million year old burrow

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...