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RE: Early mammals ate dinosaurs



> -----Original Message-----
>
> ...
> There are at least seven teeth on each jaw quadrant of the 
> juvenile Psittacosaurus, of which most are worn. This 
> demonstrates that the Psittacosaurus skeleton is not from an embryo. 


Actually, late term vertebrates are notorious for grinding their teeth,
whether in a womb or in an egg, Unhatched embryos of Hypacrosaurus from
Canada show worn teeth.
Ken

Kenneth Carpenter, Ph.D. 
Curator of Lower Vertebrate Paleontology 
and Chief Preparator 
Department of Earth Sciences 
Denver Museum of Nature & Science 
2001 Colorado Blvd. 
Denver, CO 80205 USA

ph: 303-370-6392/ or 6403 
fx: 303-331-6492