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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.
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