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Sinornis santensis
Taxonomy
Sinornis santensis was named by Sereno and Rao (1992). Its type specimen is BPV 538a+b, a skeleton (mostly complete skeleton with a partial skull), and it is a compression fossil. Its type locality is Sinornis type locality, which is in an Aptian lacustrine siliciclastic in the Jiufotang Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Sinornis santensis Sereno and Rao p. 848 |
| 1999 | Sinornis santensis Wang et al. p. 3 |
| 2002 | Sinornis santensis Chiappe p. 462 |
| 2004 | Sinornis santensis Senter et al. p. 3 |
| 2010 | Sinornis santensis O'Connor and Dyke p. 16 |
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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.
†Sinornis santensis Sereno and Rao 1992
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. O'Connor and G. Dyke 2010 | Sinornis santensis (BNHM BPV 538) differs from C.
yandica (IVPP V9769) in that: (1) the first phalanx of the minor digit is curved (cf. straight in C. yandica) and proportionately longer relative to the first phalanx of the major digit; (2) the claw of the major digit is proportionately larger relative to that of the alular digit; (3) the postacetabular wing of the ilium is proximally broad, curved and tapered distally (cf. ‘strap-like’ in C. yandica); (4) the ulnare is U-shaped with a relatively deep narrow incisure (wide and shallow incisure in C. yandica) and; (5) the pygostyle is shorter (3⁄4 the length of that of C. yandica). |