Can't see it, but i'll take you word for it looking like an Ancestor kinda.

.....go to where it says SEARCH then type "earliest mammal" and then click SEARCH. The link to that page should appear then you click on that and you'll see the skeletal remains of what the Earliest Mammal might have been…

..........The extremely humble owner of "THE ROOKIE" #2487/3000.....NOCTURNAL (Rewrite) Byron Metz (as "Baldwin Metz," medical examiner for San Francisco police)

Awww man, I was looking forward to this, but the link is busted.

yea didn't even think to try re-searching for the article.

It does look a bit like an ancestor.

It's like the ancestor, but pocket sized, and cute. And more likely to chew your fingers than your head, maybe.

 http://www.popsci.com/science/article/2011-08/jurassic-mammal-fossil-hints-earlier-mammal-marsupial-split

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Does someone go into the park and, uh... lift up the dinosaurs' skirts?