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RE: Oviraptorid questions
Guy Leahy wrote:
GIN 100/42, the image of *Oviraptor philoceratops* since 1986, was the subject
of the primary diagnostic source of data in regards to Barsbold's 1983
[monographic treatment of] Oviraptoridae. It has since been on exhibition and
has been going around the world. This has limited further comprehensive study
of the material. It was the topic of some discussion as recently as Clark et
al's cranial osteology of *Citipati osmolskae*, wherein GIN 100/42 was referred
to as *Citipati* sp.
Barsbold R. 1983. [Carnivorous dinosaurs from the Cretaceous of
Mongolia.] _Trudy -- Sovmyestnaya
Sovyetsko-Mongol'skoy Palyeontologichyeskiya Ekspyeditsiya_ 19:5-120.
Clark, J.M., M.A. Norell, and T. Rowe. 2002. Cranial anatomy of *Citipati
osmolskae* (Theropoda, Oviraptorosauria) and a reinterpretation of the holotype
of *Oviraptor philoceratops*. _American Museum Novitates_ 3364:1-24.
The other specimens are undescribed, and may or may not correspond to a
previously described species. The nature of premaxillary--nasal--frontal crests
in oviraptorids relative to ontogeny has not been studied in any extent, so
assessing the generic identity of these skulls (as crestless) compared to
crested taxa (like *Oviraptor*) is difficult initially. These skulls have also
been around the circuit (as far as I've seen) as *Conchoraptor* or *Ingenia* --
the latter by far the most common -- and may also be *Khaan*.
Jaime A. Headden
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