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I forwarded John Bois' response to Ken to Ken, and Ken responds:
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Date: Sat, 22 Apr 2000 09:14:16 -0400 (EDT)
"The problem of the aramdillo model for excavating eggs is that this
mammal has forarms adapted for digging: large elbow (olecronon) for
muscles, massive upper arm (humerus) with enlarged muscles, elongated
claws for digging. None of the mammals from the Mesozoic known to date
have any of these features. This does not mean that no egg predation
by mammals occured, but it was certainly not a major factor for large
eggs, but possibly small eggs."
Kenneth Carpenter, Ph.D.
Fossil Lab, Dept. of Earth Sciences
Denver Museum of Natural History
2001 Colorado Blvd.
Denver, CO 80205
phone (303)370-6392 fax (303)331-6492
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