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A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds
The complete skeleton of a new paravian from the Tiaojishan Formation of Liaoning Province, China is described and including it in a comprehensive phylogenetic analysis for basal Paraves recovers Archaeopteryx as the basal-most avialan and implies that the early diversification of Paraves and Avialae took place in the Middle–Late Jurassic period. Expand
Sino-Belgian Cooperation Program Cretaceous dinosaurs and mammals from inner Mongolia. 1. New Bactrosaurus (Dinosauria: Hadrosauroidea) material from Iren Dabasu (inner Mongolia, P. R. China)
In 1995, the Sino-Belgian dinosaur expedition discovered a rich bonebed in the Iren Dabasu Formation (Late Cretaceous) of Erenhot (Inner Mongolia, P.R. China). This bonebed comprised the scatteredExpand
A New Barremian (Early Cretaceous) Ichthyosaur from Western Russia
ABSTRACT A new ophthalmosaurid ichthyosaur, Sveltonectes insolitus, gen. et sp. nov., is described from a sub-complete and three-dimensionally preserved specimen from the late Barremian of westernExpand
a new elasmosaurid plesiosaur from the Lower Jurassic of southern France
Plesiosaurus tournemirensis Sciau, Crochet and Mattei, based on a nearly complete skeleton with skull from the Upper Toarcian (Lower Jurassic) of Tournemire (Aveyron Department, southern France), isExpand
A Complete Skull of Allodaposuchus precedens Nopcsa, 1928 (Eusuchia) and a Reassessment of the Morphology of the Taxon Based on the Romanian Remains
Parsimony analysis confirms earlier phylogenetic hypotheses based on the fragmentary holotype from the Maastrichtian of Valioara in Haţeg Basin (Romania), as well as on putative conspecific remains from approximately coeval localities in Spain and France: A. precedens is a non-crocodylian eusuchian. Expand
Reduced plumage and flight ability of a new Jurassic paravian theropod from China.
A basal troodontid from the Tiaojishan Formation that resembles Anchiornis is reported that increases the known diversity of small-bodied dinosaurs in the Jurassic, shows that taxa with similar body plans could occupy different niches in the same ecosystem and suggests a more complex picture for the origin of flight. Expand
Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus
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. Expand
The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Amurosaurus riabinini Bolotsky and Kurzanov, 1991 (Dinosauria, Hadrosauridae) is described on the basis of numerous disarticulated bones from the Maastrichtian Udurchukan Formation of Blagoveschensk,Expand
A Jurassic ornithischian dinosaur from Siberia with both feathers and scales
A seemingly feathery nontheropod dinosaur from the Jurassic of Siberia shows that feathers were not unique to the ancestors of birds and may even have been quite widespread, and feathers may thus have been present in the earliest dinosaurs. Expand
New Hadrosaurid Dinosaurs from the Uppermost Cretaceous of Northeastern China
Several hundred disarticulated dinosaur bones have been recovered from a large quarry at Wulaga (Heilongjiang Province, China), in the Upper Cretaceous (Maastrichtian) Yuliangze Formation. The WulagaExpand