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Sedimentary record and tectonic implications of Mesozoic rifting in southeast Mongolia
The East Gobi basin of Mongolia is a poorly described Late Jurassic–Early Cretaceous extensional province that holds great importance for reconstructions of Mesozoic tectonics and paleogeography of…
Reexamination of a primitive ornithomimosaur, Garudimimus brevipes Barsbold, 1981 (Dinosauria: Theropoda), from the Late Cretaceous of Mongolia
The holotype of Garudimimus brevipes, discovered from the Upper Cretaceous sediments of Mongolia and named by Barsbold in 1981, is redescribed in detail in this paper. Reexamination of the holotype…
An exquisitely preserved troodontid theropod with new information on the palatal structure from the Upper Cretaceous of Mongolia
- T. Tsuihiji, R. Barsbold, +4 authors Shigeru Suzuki
- Biology, MedicineNaturwissenschaften
- 19 January 2014
The palatal configuration suggests that the skull of Gobivenator would have been akinetic but had already acquired prerequisites for later evolution of cranial kinesis in birds, such as the loss of the epipterygoid and reduction in contact areas among bones.
The skull of Velociraptor [Theropoda] from the Late Cretaceous of Mongolia
The well preserved material of the Late Cretaceous dromaeosaurid, Velociraptor mongoliensis, has allowed us to supplement earlier descriptions of the skull in this species. The skull of I?…
Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus
- Yuong‐Nam Lee, R. Barsbold, +5 authors Tsogtbaatar Chinzorig
- Biology, MedicineNature
- 13 November 2014
Two new specimens of Deinocheirus are described that were discovered in the Nemegt Formation of Altan Uul IV in 2006 and Bugiin Tsav in 2009 and have many unique skeletal features unknown in other ornithomimosaurs, indicating that Dein Rocheirus was a heavily built, non-cursorial animal.
A Review of the Mongolian Cretaceous Dinosaur Saurornithoides (Troodontidae: Theropoda)
The morphology, taxonomy, and phylogenetic relationships of the upper Cretaceous Mongolian troodontid Saurornithoides are reviewed, and empirical support for this clade is currently tenuous.
A new Enantiornithine bird from the Late Cretaceous of the Gobi desert
- L. Chiappe, Shigeru Suzuki, G. Dyke, M. Watabe, Khishigjav Tsogtbaatar, R. Barsbold
- 1 January 2007
The combination of phylogeny and functional interpretation suggests that this new fossil bird is a representative of a flightless lineage, providing the first evidence of a trend towards more limited flying capabilities among Enantiornithes, a group of Cretaceous birds otherwise believed to be represented by competent fliers.
A new specimen of Shuvuuia deserti Chiappe et al., 1998, from the Mongolian Late Cretaceous with a discussion of the relationships of alvarezsaurids to other theropod dinosaurs
- Shigeru Suzuki, L. Chiappe, G. Dyke, M. Watabe, R. Barsbold, KH. Tsogtbaatar
- GeographyContributions in science
A partial skeleton of an immature individual of the alvarezsaurid mononykine theropod Shuvuuia deserti from the Late Cretaceous (Campanian) Tögrögiin Shiree locality of southern Mongolia exhibits a…
Cranial Osteology of a Juvenile Specimen of Tarbosaurus bataar (Theropoda, Tyrannosauridae) from the Nemegt Formation (Upper Cretaceous) of Bugin Tsav, Mongolia
This juvenile specimen suggests that T. bataar would have changed its dietary niches during ontogeny, and the numbers of alveoli in the maxilla and dentary are the same as those in adults, suggesting that they do not change onto genetically in T. Bataar and thus are not consistent with the hypothesis that the number ofAlveoli decreases ontogenetically in tyrannosaurids.