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Cranial material of Sinraptor dongi (Upper Jurassic, Xinjiang, China), Gorgosaurus libratus, Daspletosaurus torosus (Upper Cretaceous, Alberta, Canada), and other large theropod dinosaurs exhibit similar paleopathological anomalies indicative of aggressive intra- or interspecific biting. Tooth...
Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classificationDownload
Samman, T., Hills, L. V., Powell, G. L., Currie, P. J.
Gross tooth morphology and serration morphology were examined to determine a quantifiable method for classifying tyrannosaurid tooth crowns from western North America From the examination of teeth in jaws, tyrannosaurid teeth could be qualitatively assigned to one of five types based on the...
Barsbold, R., Kielan-Jaworowska, Z., Hurum, J. H., Currie, P. J.
The Gobi Desert is famous for providing one of the worlds best preserved Cretaceous terrestrial faunas, including dinosaurs and mammals. Beginning with the Central Asiatic Expeditions in the 1920s, through the Polish-Mongolian Expeditions in the 1960s-1970s, Soviet-Mongolian Expeditions in 1970s,...
New specimens of Nemegtomaia from the Baruungoyot and Nemegt Formations (Late Cretaceous) of MongoliaDownload
Fanti, F., Currie, P. J., Badamgarav, D.
Two new specimens of the oviraptorid theropod Nemegtomaia barsboldi from the Nemegt Basin of southern Mongolia are described. Specimen MPC-D 107/15 was collected from the upper beds of the Baruungoyot Formation (Campanian-Maastrichtian), and is a nest of eggs with the skeleton of the assumed...
In 1910, a collecting party from the American Museum of Natural History led by Barnum Brown floated down the Red Deer River of Alberta. In the Horseshoe Canyon Formation (Edmonton Group, Campanian-Maastrichtian, Upper Cretaceous) close to the mouth of Big Valley Creek, they excavated...
Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of MontanaDownload
Burnham, D. A., Bakker, R. T., Currie, P. J., Ostrom, J. H., Kraig, L. D., Zhou, Z.
We describe a small dromaeosaurid dinosaur. Bambiraptor feinbergi n. gen. and n. sp., based upon a nearly complete fossil skeleton from the Two Medicine Formation (Upper Cretaceous) of Montana. Widely known as Bambi, this skeleton is a well-preserved subadult that is about 75 percent adult size....
Hurum, J. H., Sabath, K., Currie, P. J.
Tyrannosauridae can be subdivided into two distinct subfamilies-the Albertosaurinae and the Tyrannosaurinae. Previously recognized subdivisions Aublysodontinae and Shanshanosaurinae are rejected because they are based on insufficient material and juvenile specimens. Our results are based upon a...
Variation in premaxillary tooth count and a developmental abnormality in a tyrannosaurid dinosaurDownload
Tanke, D. H., Currie, P. J., Miyashita, T.
Premaxillary tooth count tends to be stable amongst toothed dinosaurs, and most theropods have four teeth in each premaxilla. Only one case of bilaterally asymmetric variation is known in theropod premaxillary dentition, and there is no record of ontogenetic or individual variation in...