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Confuciusornis suniae

Reptilia - Avetheropoda - Confuciusornithidae

Taxonomy
Confuciusornis suniae was named by Hou (1997). Its type specimen is IVPP V11308, a skeleton (complete skeleton with feathers), and it is a compression preserving soft parts. Its type locality is Sihetun, Yixian bed 6 (29), which is in a Barremian/Aptian lacustrine siltstone/mudstone in the Yixian Formation of China.

It was corrected as Confuciusornis sunae by Wang et al. (1999); it was misspelled as Confuciusornis sunae by Wang et al. (1999), Zhang et al. (2009) and Li et al. (2010).

Synonymy list
YearName and author
1997Confuciusornis suniae Hou p. 37
1999Confuciusornis sunae Wang et al. p. 2
2009Confuciusornis suniae Zhang et al. p. 787
2010Confuciusornis suniae Li et al. p. 90

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptora
Paraves
classAves
PygostyliaChiappe 2002
familyConfuciusornithidaeHou et al. 1995
genusConfuciusornisHou et al. 1995
speciessuniae

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
ReferenceDiagnosis
L. H. Hou 1997The rostral end of the premaxilla has a particularly open vacuity, the nasal process is elongated, external nares are large, frontals are short, and parietals are well developed. Cervical vertebrae are particularly flattened and broadened with small pleurocoels laterally; neural spines are narrow and extremely low anteroposteriorly. Thoracic vertebrae are long and thin with deep and long grooves within the pleurocoels. Lumbar diapophyses are fused. The posterior most three lumbar diapophyses are fused, sacral diapophyses are fused to the medial wall of the ilia, sacral neural spines are fused, and caudal vertebrae are basically fused. . Sternal body is narrow and long with deep elongated lateral recesses.