Assertion: mammoth | /r/CapableOf | pop up in the fossil record
Facets:
value: like mastodons
type: OTHER
Source sentences:
text: Mammoths emerged on the historical scene much later than mastodons, popping up in the fossil record about two million years ago and, like mastodons, surviving well into the last Ice Age (which, along with the hairy coat of the North American Mastodon, accounts for much of the confusion between these two elephants).