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Re: Ornitholestes and Enantiornis
On Tue, 18 Dec 2001 23:13:58
David Marjanovic wrote:
>> If _Ceratops_ proves to be the same as _Avaceratops_, and _Avaceratops_
>lies
>> outside the Ceratopsidae, then we have a problem on our hands. Most
>likely,
>> _Ceratops montanus_ is a _nomen dubium_, and will therefore be excluded
>from
>> any nomenclatural tangles at the generic level.
>
>Then there's "more material from the Milk River Formation", mentioned in
>Glut's Encyclopedia, which may save it from that status. Is there anything
>about it in the 2nd supplement? (I've ordered a copy in July, so they should
>have sent it at the publication date in October; I'm still waiting...)
Well, if the material you're referring to is of Ceratops, then there is no
mention. However, Glut does mention in his most recent supplement some new
Avaceratops material from the Judith River Formation. This new material was
published and figured in Penkalski and Dodson (1999). Glut still lists
Avaceratops as belonging to the Ceratopsidae, but I don't know upon which
characters and/or trees he bases this classification (I haven't read the entire
passage on Avaceratops yet).
Steve
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