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Abdominal contents from two large Early Cretaceous compsognathids (Dinosauria: Theropoda) demonstrate feeding on confuciusornithids and dromaeosaurids
Download2012
Xing, L., Ji, S., Persons, W. S., Bell, P. R., Ji, Q., Miyashita, T., Currie, P. J., Burns, M. E.
Two skeletons of the large compsognathid Sinocalliopteryx gigas include intact abdominal contents. Both specimens come from the Jianshangou Beds of the lower Yixian Formation (Neocomian), Liaoning, China. The holotype of S. gigas preserves a partial dromaeosaurid leg in the abdominal cavity, here...
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1983
The most common ichnogenus in the Peace River Canyon is Amblydactylus, a large bipedal herbivore. The morphology of the hand and footprints suggest that the tracks and trackways were made by hadrosaurs, and the ichnites might represent the earliest record of these dinosaurs. Amblydactylus tracks...
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2002
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,...
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2003
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...
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Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Download2005
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...
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1998
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...
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An ankylosaurid dinosaur from Mongolia with in situ armour and keratinous scale impressions
Download2013
Lech-Hernes, N. L., Currie, P. J., Arbour, V. M., Hurum, J. H., Guldberg, T. E.
A Mongolian ankylosaurid specimen identified as Tarchia gigantea is an articulated skeleton including dorsal ribs, the sacrum, a nearly complete caudal series, and in situ osteoderms. The tail is the longest complete tail of any known ankylosaurid. Remarkably, the specimen is also the first...
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Variation in premaxillary tooth count and a developmental abnormality in a tyrannosaurid dinosaur
Download2010
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...
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2012
Xing, L.-D., Zhang, J.-P., Currie, P. J., Gierlinski, G. D., Wu, F.-D., Tian, M.-Z.
We describe a number of newly discovered dinosaur tracks from the Late Jurassic-Early Cretaceous Tuchengzi Formation, located in the core zone of Yanqing Silicified Wood National Geopark, during field work for the preparation of global geopark application in Yanqing County, Beijing. The...