Evolution. Extinction. Fossilization. (Repeat)
Tuesday, November 03, 2009
Paleo Video: A Modern Day Dinosaur Extinction
As a follow up to the previous posting, here's a video by
about the pachycephalosaurid research done by Jack Horner and Mark Goodwin.
Just for the record, I agree with their assessment of
being a juvenile
, but I'm not as convinced that both taxa are referable to
Michael J. Ryan, Ph.D.
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