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> > Has anyone considered the similar problems that Ankylosaurids or
> > Nodosaurids would have mating?
I always find questions of this sort (as well as those concerning
sauropod "problems with getting blood to the head," etc.) are badly
misphrased. Clearly, ankylosaurs and nodosaurs did _not_ have any sort of
problem mating, given that they persisted as clades for several millions of
years. It is _we_humans_ who have problems _imagining_ how they did so.
Jerry D. Harris
Dept of Earth & Environmental Science
University of Pennsylvania
240 S 33rd St
Philadelphia PA 19104-6316
Phone: (215) 573-8373
Fax: (215) 898-0964
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