According to Bob Strauss at about.com, crusafontia is a small, squirrel-like mammal that lived during the cretaceous period. Not much else is known about it, with the fossil data consisting of a few teeth.
As for this blog, I'll be posting stuff about politics, evolution/anthropology, philosophy, religion and other topics. I'm no expert in any of these fields, and when I post my personal opinions, I hope to be corrected as necessary.