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The data matrix was taken from Clark (2011) analyses of Fruitachampsa. Clark (2011) developed upon character’s taken mostly from Pol and Gasparini (2009) work. Pol and Gasparini (2009) matrix wasExpand
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Two feathered dinosaurs from northeastern China
Current controversy over the origin and early evolution of birds centres on whether or not they are derived from coelurosaurian theropod dinosaurs. Here we describe two theropods from the UpperExpand
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A Basal Dromaeosaurid and Size Evolution Preceding Avian Flight
Fossil evidence for changes in dinosaurs near the lineage leading to birds and the origin of flight has been sparse. A dinosaur from Mongolia represents the basal divergence within Dromaeosauridae.Expand
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A basal troodontid from the Early Cretaceous of China
Troodontid dinosaurs form one of the most avian-like dinosaur groups. Their phylogenetic position is hotly debated, and they have been allied with almost all principal coelurosaurian lineages. HereExpand
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A Complete Skeleton of a Late Triassic Saurischian and the Early Evolution of Dinosaurs
Early Dinosaur Discovery Our understanding of the evolution of early dinosaurs is hampered by limited material, especially compared to the many Jurassic and Cretaceous samples. Nesbitt et al. (p.Expand
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New Specimens of Microraptor zhaoianus (Theropoda: Dromaeosauridae) from Northeastern China
Abstract New specimens of the diminutive theropod dinosaur Microraptor zhaoianus are described. These specimens preserve significant morphological details that are not present or are poorly preservedExpand
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Morphology of the Late Cretaceous Crocodylomorph Shamosuchus djadochtaensis and a Discussion of Neosuchian Phylogeny as Related to the Origin of Eusuchia
Abstract We describe a new specimen of the fossil crocodyliform taxon Shamosuchus djadochtaensis from the Late Cretaceous Djadokhta Formation. The new specimen consists of an almost complete skullExpand
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Osteology and Relationships of Byronosaurus jaffei (Theropoda: Troodontidae)
Abstract The troodontid Byronosaurus jaffei is known from two specimens from adjacent localities in the Nemegt basin, Ömnögov Aimag, Mongolia. These specimens are composed of well-preserved cranialExpand
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Gradual Assembly of Avian Body Plan Culminated in Rapid Rates of Evolution across the Dinosaur-Bird Transition
The evolution of birds from theropod dinosaurs was one of the great evolutionary transitions in the history of life. The macroevolutionary tempo and mode of this transition is poorly studied, whichExpand
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A New Dromaeosaurid Theropod from Ukhaa Tolgod (Ömnögov, Mongolia)
Abstract We describe a new dromaeosaurid theropod from the Upper Cretaceous Djadokhta Formation of Ukhaa Tolgod, Mongolia. The new taxon, Tsaagan mangas, consists of a well-preserved skull andExpand
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