North America was not always primate-free

OK, we're primates, but you know what I mean. Long before humans trod the land bridge (or sailed south of it - the evidence is mixed and intriguing). A new species of fossil primate, Mescalerolemur horneri, has been dug out of West Texas in an area called the Devil's Graveyard. Anthropologist Chris Kirk says Mescalerolemur seems more closely related to fossil primates from Africa and Eurasia than to others known from North America. Going back 14 million years, it's an intriguing piece of a puzzle we still know very little about.