[hinckley buzzard]

Often overlooked is the massive outgassing of CO2 along with huge Siberian lava flows, unequalled in the rest of the world, at least in recorded geological time, which any geologist can expound upon. It is suspected to account for the sudden loss of mammalian life in the eurasian continent.

[Flag_This]

"It is suspected to account for the sudden loss of mammalian life in the eurasian continent."

There just doesn't seem to be a pattern to the extinctions at all - camels and horses (in N. America), but not deer or elk; short-faced bears, but not grizzly bears; dire wolves, but not grey wolves. The "mega-fauna" were wiped out, but the run-of-the-mill fauna weren't.

[muawiyah]

That’s something like 500 million years ago. We are focusing on 12000 years ago.