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Sinornis
Taxonomy
Sinornis was named by Sereno and Rao (1992). It is the type genus of Sinornithidae.
It was assigned to Ornithurae by Sereno and Rao (1992); to Sinornithidae by Hou (1997); to Ornithothoraces by Senter et al. (2004); to Euenantiornithes by Chiappe (2002), Cau and Arduini (2008); to Cathayornithidae by Zhou and Wang (2010); and to Enantiornithes by Wang and Liu (2015).
It was assigned to Ornithurae by Sereno and Rao (1992); to Sinornithidae by Hou (1997); to Ornithothoraces by Senter et al. (2004); to Euenantiornithes by Chiappe (2002), Cau and Arduini (2008); to Cathayornithidae by Zhou and Wang (2010); and to Enantiornithes by Wang and Liu (2015).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Sinornis Sereno and Rao p. 847 |
| 1997 | Sinornis Hou p. 60 |
| 2002 | Sinornis Chiappe p. 451 fig. 20.1 |
| 2004 | Sinornis Senter et al. p. 2 fig. 2 |
| 2008 | Sinornis Cau and Arduini |
| 2010 | Sinornis Zhou and Wang |
| 2015 | Sinornis Wang and Liu |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. H. Hou 1997 | Skull is relatively short, in cross-section the breadth of manus digit II and the ulna are twice that of digit I and the radius, manus digit I is reduced, both digits I and II maintain small and curved talons, proximal metatarsals are fused, and pygostyle is present |