Do amebelodon really have two sets of tusks (upper and lower) or do they just have big teeth on the bottom?

Question Answered by Sue Miller, Paleontologist “Shovel-tuskers” Way cool! They are ancient, now extinct, cousins of elephants. Their nickname comes from the shape of their large, flat and extended lower incisors and small upper tusks – instead of long and curved upper tusks like mammoths, mastodons, and modern elephants. They were about the size of…