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| An oviraptorid skeleton from the late Cretaceous of Ukhaa Tolgod, Mongolia, preserved in an avianlike brooding position over an oviraptorid nest. American Museum novitates ; no. 3265 |
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| Title: | An oviraptorid skeleton from the late Cretaceous of Ukhaa Tolgod, Mongolia, preserved in an avianlike brooding position over an oviraptorid nest. American Museum novitates ; no. 3265 |
| Authors: | Clark, James Matthew, 1956- Norell, Mark. Chiappe, Luis M. Mongolian-American Museum Paleontological Project. Mongolyn Shinzhlėkh Ukhaany Akademi. |
| Issue Date: | 1999 |
| Publisher: | New York, NY : American Museum of Natural History |
| Series/Report no.: | American Museum novitates ; no. 3265 |
| Abstract: | "The articulated postcranial skeleton of an oviraptorid dinosaur (Theropoda, Coelurosauria) from the late Cretaceous Djadokhta Formation of Ukhaa Tolgod, Mongolia, is preserved overlying a nest. The eggs are similar in size, shape, and ornamentation to another egg from this locality in which an oviraptorid embryo is preserved, suggesting that the nest is of the same species as the adult skeleton overlying it and was parented by the adult. The lack of a skull precludes specific identification, but in several features the specimen is more similar to Oviraptor than to other oviraptorids. The ventral part of the thorax is exceptionally well preserved and provides evidence for other avian features that were previously unreported in oviraptorids, including the articulation of the first three thoracic ribs with the costal margin of the sternum and the presence of a single, ossified ventral segment in each rib as well as ossified uncinate processes associated with the thoracic ribs. Remnants o... |
| Description: | 36 p. : ill. (1 col.) ; 26 cm. Includes bibliographical references (p. 31-35). |
| URI: | http://hdl.handle.net/2246/3102 |
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