What? You've never heard of a Mosasaur? Imagine a crocodile with flippers and you're superficially there. See, way back around 100 million years ago the North American continent was split by a vast epeiric sea (a shallow, salty, inland sea) called the Western Interior Seaway (really creative science people).
You will not want to miss this post from Analyze Everything.

Learn more about Charles Darwin and his work.
Looking for stuff about birds?
Lean more about lions

Comments
I have to rub your nose for a second in the fact that we won Paul Bunyan's Axe again.
http://2.bp.blogspot.com/_KW5NXkZKTHA/SKxf1g8B9VI/AAAAAAAAAbs/1xTdNjSmOvY/s1600-h/gopher.bmp
http://www.badgers.org/images/gallery_hissing_badger.jpg - Bucky says 'Fuck yeah, Goldy, you're my bitch for another year. '
Posted by: Katharine | November 15, 2008 11:14 PM
I think it would be great if Goldie went to Wisconsin for a year.
Posted by: Greg Laden | November 15, 2008 11:29 PM