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RE: Ceratopsian Systematics [was: Avaceratops and Ceratops (was Re:THE NEW I...

Allan Edels wrote:

        Having seen _Avaceratops_ many, many times over the last 15+ years (and
knowing Peter Dodson) - I do know that the classification of _Avaceratops_
as a juvenile should more probably be refined as a sub-adult.  Based on the
occipital condyle being nearly completed fused, this indicates that the
animal was nearly fully mature, and as such its features are more likely to
be very close to those of the adult form.  Its size is probably 80% of
full-grown.

That's backed up the second _Avaceratops_ skull (MOR 694 I think, but I'm going from memory - always a dangerous thing), which indicates a fully-grown individual of around 5m long. (I'm going to trust Dodson's referral of this skull to _Ava_). The holotype of _Avaceratops_, a subadult individual, probably had a body length of approx 4.2m.


Tim

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