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A redescription of Chaoyangia beishanensis (Aves) and a comprehensive phylogeny of Mesozoic birds

Published on Oct 1, 2013in Journal of Systematic Palaeontology2.31
· DOI :10.1080/14772019.2012.690455
Jingmai K. O'Connor22
Estimated H-index: 22
,
ZHOUZhonghe47
Estimated H-index: 47
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Abstract
We review the enigmatic Chaoyangia beishanensis, one of the earliest birds described from the Jiufotang Formation, north-eastern China, and the first to be identified as an ornithurine (Aves: Ornithothoraces) and thus a member of the clade that includes living birds. A complete discussion of the validity of this taxon, which once included the holotype of Songlingornis, is provided, along with a revised diagnosis. The morphology of Chaoyangia is described, including extensive comparison with better known, recently discovered ornithurines as well as several other groups of Mesozoic birds (Confuciusornithiformes, Sapeornithiformes, Enantiornithes). Although preserved information is limited, the large number of fused sacral vertebrae and presence of a distal dorsal process on the ischium are among the features supporting early hypotheses that the only known specimen of Chaoyangia represents an ornithurine. Unique among ornithurines, Chaoyangia possesses two dorsal processes on the ischium, and thus remains a ...
  • References (56)
  • Citations (51)
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References56
Newest
#1Jingmai K. O'Connor (Los Angeles County Museum of Art)H-Index: 22
#2Luis M. Chiappe (Los Angeles County Museum of Art)H-Index: 45
Last.Alyssa Bell (SC: University of Southern California)H-Index: 4
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#1Jingmai K. O'Connor (Natural History Museum of Los Angeles County)H-Index: 22
#2Ke-Qin Gao (PKU: Peking University)H-Index: 20
Last.Luis M. Chiappe (Natural History Museum of Los Angeles County)H-Index: 45
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#1Alyssa Bell (SC: University of Southern California)H-Index: 4
#2Luis M. Chiappe (Natural History Museum of Los Angeles County)H-Index: 45
Last.Khishigjav Tsogtbaatar (Mongolian Academy of Sciences)H-Index: 11
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Cited By51
Newest
#1Alida M. Bailleul (Center for Excellence in Education)
#2Jingmai O’Connor (Center for Excellence in Education)
Last.ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
view all 9 authors...
#1Brunno B. Rosa (UFPR: Federal University of Paraná)
#2Gabriel A. R. Melo (UFPR: Federal University of Paraná)H-Index: 18
Last.Marcos S. Barbeitos (UFPR: Federal University of Paraná)
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#1Edward L. Braun (UF: University of Florida)H-Index: 42
#2Joel Cracraft (AMNH: American Museum of Natural History)H-Index: 42
Last.Peter Houde (NMSU: New Mexico State University)H-Index: 21
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#1Jessie Atterholt (Western University of Health Sciences)H-Index: 4
#2J. Howard Hutchison (University of California, Berkeley)H-Index: 16
Last.Jingmai K. O’Connor (CAS: Chinese Academy of Sciences)H-Index: 9
view all 3 authors...
#1Jingmai K. O'Connor (CAS: Chinese Academy of Sciences)H-Index: 22
#2Xiaoli Wang (LYU: Linyi University)H-Index: 17
Last.ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
view all 8 authors...
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