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A New Rhamphorhynchid Pterosaur from the Upper Jurassic of Xinjiang, China, and the Phylogenetic Relationships of Basal Pterosaurs
Sericipterus wucaiwanensis, Angustinaripterus longicephalus, Harpactognathus gentryii represent a clade of large pterosaurs that likely lived in the terrestrial settings in which they preserved and are proposed to be widespread among the non-pterodactyloids.
The earliest ceratopsian from the Tuchengzi Formation of Liaoning, China
ABSTRACT A new ceratopsian specimen, Chaoyangsaurus youngi gen. et sp. nov., was collected from the Tuchengzi Formation (Middle or Late Jurassic) of Liaoning, China. Distinctive characteristics of…
Deinonychosaurian Fossils from the Jehol Group and the Coelurosaurian Evolution
- X. Xing
An evolutionary model for feather evolution is proposed and the evolutionary trend within the Coelurosauria is discussed and particularly those features related to the origin of avian flight.
Cranial Anatomy of the Iguanodontoid Ornithopod Jinzhousaurus yangi from the Lower Cretaceous Yixian Formation of China
The Yixian Formation (Lower Cretaceous) of Liaoning Province, China, is justifiably famous for its exceptionally preserved fauna, which includes a remarkable diversity of non-avian dinosaurs. Here,…
Non‐avian dinosaur fossils from the Lower Cretaceous Jehol Group of western Liaoning, China
The discovery of four-winged dinosaurs was suggested to provide strong evidence supporting the ‘tree-down’ hypothesis for the origin of avian flight, though in-depth analysis and more data are needed to confirm this.
A re-evaluation of Chinshakiangosaurus chunghoensis Ye vide Dong 1992 (Dinosauria, Sauropodomorpha): implications for cranial evolution in basal sauropod dinosaurs
- P. Upchurch, P. Barrett, Z. Xijin, X. Xing
- Environmental Science, GeographyGeological Magazine
- 9 February 2007
It seems that basal sauropodomorphs (traditional prosauropod taxa) possessed a fleshy cheek that attached to the mandible along a marked ridge, and that the same structure was present in the most basalsauropods.
A New Titanosaurian Sauropod from Late Cretaceous of Nei Mongol, China
A specimen collected from the Upper Cretaceous Erlian Formation of Nei Mongol, China, represents a new genus and species of titanosaurian sauropod, which has an unusual combination of primitive and derived character states.
Petrologic,chronological and geochemistry characteristics and formation mechanism of alkaline porphyries in the Beiya gold district,western Yunnan.
- X. Xing
We report the new discoveries of ore-bearing quartz albite porphyry and of some peculiar geological phenomenon, including intrusions of quartz K-feldspar porphyries into karst caves and biotite…
A New Troodontid (Theropoda: Troodontidae) from the Lower Cretaceous Yixian Formation of Western Liaoning, China
A specimen collected from the Lower Cretaceous Yixian Formation of western Liaoning, China, represents a new genus and species of troodontid theropod, indicating a rapid evolution at the base of the Troodontidae.
A NEW THERIZINOSAUROID (DINOSAURIA,THEROPODA) FROM THE UPPER CRETACEOUS IREN DABASU FORMATION OF NEI MONGOL
- X. Xing
A partial skeleton is described from the Upper Cretaceous Iren Dabasu Formation of Nei Mongol that represents a new therizinosauroid theropod, Erliansaurus bellamanus gen. et sp. nov. Distinctive…