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| A review of the Mongolian Cretaceous dinosaur Saurornithoides (Troodontidae, Theropoda). (American Museum novitates, no. 3654) |
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| Title: | A review of the Mongolian Cretaceous dinosaur Saurornithoides (Troodontidae, Theropoda). (American Museum novitates, no. 3654) |
| Other Titles: | Review of Saurornithoides. |
| Authors: | Norell, Mark. Makovicky, Peter J. Bever, Gabe S. Balanoff, Amy M. Clark, James Matthew, 1956- Barsbold, Rinchin. Rowe, Timothy, 1953- |
| Keywords: | Saurornithoides. Troodon. Dinosaurs. Mongolia. |
| Issue Date: | 2009 |
| Series/Report no.: | American Museum novitates, no. 3654. |
| Abstract: | We review the morphology, taxonomy, and phylogenetic relationships of the Upper Cretaceous Mongolian troodontid Saurornithoides. Saurornithoides mongoliensis is known only by the holotype from Bayan Zag, Djadokhta Formation. This specimen includes a nearly complete, but weathered, skull and mandibles, a series of dorsal, sacral, and caudal vertebrae, and a partial pelvic girdle and hind limb. Saurornithoides junior, here referred to Zanabazar, also is known only by the holotype from Bugiin Tsav, Nemegt Formation. This specimen consists of a skull and partial mandible, a series of sacral and caudal vertebrae, a partial pelvic girdle, and the distal part of the right hind limb. Saurornithoides + Zanabazar is one of the few Mongolian taxa known from both the Djadokhta and Nemegt formations. The monophyly of Saurornithoides + Zanabazar has not been seriously questioned historically, yet empirical support for this clade is currently tenuous. A privileged phylogenetic relationship between Sa... |
| Description: | 63 p. : ill. (1 col.), 1 map ; 26 cm. "June 25, 2009." Includes bibliographical references (p. 60-62). |
| URI: | http://hdl.handle.net/2246/5973 |
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