Synthetoceras tricornatus poster Mammut Governor Doug Ducey signed the

Governor Doug Ducey signed the bill into law which made this brachiosaur Arizona's official dino

By Andrey Atuchin

Celebrate the winter holidays with this poster featuring 10 Ice Age mammals: Woolly Mammoth

Its highly specialized fur coat and fat storage would have allowed it to survive the harsh environment of the ice ages

or if it happened because of sudden catastrophic events

Synthetoceras tricornatus poster Mammut Governor Doug Ducey signed theThe males of this extinct ungulate were armed with a distinctive Y shaped horns that grew above its snout. Such a strange forked structure could have helped them intimidate each other to settle territorial disputes.