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Xing Xu
Chinese Academy of Sciences
192Publications
41H-index
6,165Citations
Publications 192
Newest
#1Thomas G. Kaye (AmeriCorps VISTA)H-Index: 9
#2Michael Pittman (HKU: University of Hong Kong)H-Index: 9
Last.Xing Xu (CAS: Chinese Academy of Sciences)H-Index: 41
view all 5 authors...
In 1862, a fossil feather from the Solnhofen quarries was described as the holotype of the iconic Archaeopteryx lithographica. The isolated feather’s identification has been problematic, and the fossil was considered either a primary, secondary or, most recently, a primary covert. The specimen is surrounded by the ‘mystery of the missing quill’. The calamus described in the original paper is unseen today, even under x-ray fluorescence and UV imaging, challenging its original existence. We answer...
#1Xi Yao (CAS: Chinese Academy of Sciences)
#2Chun-Chi Liao (CAS: Chinese Academy of Sciences)
Last.Xing Xu (CAS: Chinese Academy of Sciences)H-Index: 41
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Therizinosaurian theropods evolved many highly specialized osteological features in association with their bulky proportions, which were unusual in the context of the generally gracile Theropoda. Here we report a new therizinosaur, Lingyuanosaurus sihedangensis gen. et sp. nov., based on a specimen recovered from the Lower Cretaceous Jehol Group of Lingyuan, Liaoning Province, China, which displays a combination of plesiomorphic and derived features. Most notably, the specimen is characterized b...
#1Zichuan Qin (CAS: Chinese Academy of Sciences)
#2James M. Clark (GW: George Washington University)H-Index: 36
Last.Xing Xu (CAS: Chinese Academy of Sciences)H-Index: 41
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Alvarezsaurian dinosaurs, a group of bizarre theropods with greatly shortened and modified forelimbs, are known mostly from the Cretaceous of Asia and South America. Here we report a new alvarezsaurian, Shishugounykus inexpectus gen. et sp. nov, based on a specimen recovered from the Middle–Upper Jurassic Shishugou Formation of the Junggar Basin, western China. Together with two other alvarezsaurians from this formation, i.e., Haplocheirus sollers and Aorun zhaoi, these Shishugou forms represent...
#1Han Hu (UNE: University of New England (United States))
#2Gabriele Sansalone (UNE: University of New England (United States))H-Index: 4
Last.ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
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Most living birds exhibit cranial kinesis—movement between the rostrum and braincase—in which force is transferred through the palatal and jugal bars. The palate alone distinguishes the Paleognathae from the Neognathae, with cranial kinesis more developed in neognaths. Most previous palatal studies were based on 2D data and rarely incorporated data from stem birds despite great interest in their kinetic abilities. Here we reconstruct the vomer of the Early Cretaceous stem bird Sapeornis and the ...
#1Arindam Roy (HKU: University of Hong Kong)
#2Michael Pittman (HKU: University of Hong Kong)H-Index: 9
Last.Xing Xu (CAS: Chinese Academy of Sciences)H-Index: 41
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#1Min Wang (CAS: Chinese Academy of Sciences)H-Index: 11
#2Jingmai K. O’Connor (CAS: Chinese Academy of Sciences)H-Index: 9
Last.ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
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Change history: In this Letter, it should have been acknowledged that the silhouettes of Scansoriopterygidae in Fig. 3a were modified from a sketch by Jaime Headden. The original Letter has been corrected online.
#1Anyang Ding (HKU: University of Hong Kong)
#2Michael Pittman (HKU: University of Hong Kong)H-Index: 9
Last.Xing XuH-Index: 41
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ABSTRACT The Coelurosauria are a group of mostly feathered theropods that gave rise to birds, the only dinosaurs that survived the Cretaceous-Paleogene extinction event and are still found today. Between their first appearance in the Middle Jurassic up to the end Cretaceous, coelurosaurs were party to dramatic geographic changes on the Earth’s surface, including the breakup of the supercontinent Pangaea, and the formation of the Atlantic Ocean. These plate tectonic events are thought to have cau...
#1Min Wang (CAS: Chinese Academy of Sciences)H-Index: 30
#2Min Wang (CAS: Chinese Academy of Sciences)H-Index: 11
Last.ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
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Powered flight evolved independently in vertebrates in the pterosaurs, birds and bats, each of which has a different configuration of the bony elements and epidermal structures that form the wings1,2. Whereas the early fossil records of pterosaurs and bats are sparse, mounting evidence (primarily from China) of feathered non-avian dinosaurs and stemward avians that derive primarily from the Middle–Upper Jurassic and Lower Cretaceous periods has enabled the slow piecing together of the origins of...
#1MartinGLockley (University of Colorado Denver)H-Index: 38
#2Lida Xing (CAS: Chinese Academy of Sciences)H-Index: 18
Last.Xing Xu (CAS: Chinese Academy of Sciences)H-Index: 41
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Abstract The vertebrate track Laiyangpus liui , from the Lower Cretaceous of Shandong Province in China has been the subject of misunderstanding and misinterpretation since it was discovered and named in 1960, and reposited in the Institute of Vertebrate Paleontology and Paleoanthropology collections in Beijing. It was initially misinterpreted as evidence of a coelurosaurian (non-avian theropod) trackmaker supposedly showing evidence of tridactyl manus and tetradactyl pes. This discredited concl...
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