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A new carnosaur (Dinosauria, Theropoda) from the Jurassic of Xinjiang, People's Republic of China
In 1987, a Sino-Canadian expedition known as the Dinosaur Project (China – Canada – Alberta – Ex Terra) discovered a large theropod skeleton in the Upper Jurassic Shishugou Formation of the Junggar…
Two feathered dinosaurs from northeastern China
Two theropods from the Upper Jurassic/Lower Cretaceous Chaomidianzi Formation of Liaoning province, China are described, which represent stages in the evolution of birds from feathered, ground-living, bipedal dinosaurs.
Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada
- P. Currie
- Environmental Science, Geography
It is concluded that the most parsimonious interpretation of relationships leads to the separation of the two species of Albertosaurus into Gorgosaurus libratus from the Campanian Dinosaur Park Formation and Albertosaurus sarcophagus from the upper Campanian/lower Maastrichtian Horseshoe Canyon Formation.
Dinosaur Provincial Park : a spectacular ancient ecosystem revealed
Dinosaur Systematics: Theropod teeth from the Judith River Formation of southern Alberta, Canada
The identification of theropod teeth has the potential of refining stratigraphic determinations, extending temporal and geographic ranges, indicating relationships, and allowing paleoecological statements to be made on the relative diversity or abundance of certain taxa.
Osteology of Cryolophosaurus ellioti (Dinosauria: Theropoda) from the Early Jurassic of Antarctica and implications for early theropod evolution
An in-depth morphological description of Cryolophosaurus is pre-sented here, along with a rigorous phylogenetic analysis of theropod relationships consisting of 347 characters and 56 taxa, in an attempt to clarify the relationships of Crylophosaurus and to provide insight into questions sur-rounding early theropid evolution.
New information on the anatomy and relationships of Dromaeosaurus albertensis (Dinosauria: Theropoda)
- P. Currie
- Environmental Science
- 14 September 1995
Repreparation and restudy of the holotype of Dromaeosaurus albertensis has produced new anatomical information useful for evaluating the relationships of dromaeosaurids.
A new specimen of Acrocanthosaurus atokensis (Theropoda, Dinosauria) from the Lower Cretaceous Antlers Formation (Lower Cretaceous, Aptian) of Oklahoma, USA
A new skeleton of Acrocanthosaurus atokensis is the most complete specimen collected and has the only known complete skull. Aspects of the new skeleton are described in detail, with special attention…
Gigantism and comparative life-history parameters of tyrannosaurid dinosaurs
- G. Erickson, P. Makovicky, P. Currie, M. Norell, S. Yerby, C. Brochu
- Environmental Science, GeographyNature
- 12 August 2004
Growth patterns within the Tyrannosauridae are studied and it is determined that Tyrannosaurus rex's great stature was primarily attained by accelerating growth rates beyond that of its closest relatives.
A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina
A new carcharodontosaurid theropod from the Huincul Formation (Aptian-Cenomanian, Upper Cretaceous) of Neuquen Province, Argentina, is described. Approximately the same size as Giganotosaurus…