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Neuquenornis volans

Reptilia - Avetheropoda - Avisauridae

Taxonomy
Neuquenornis volans was named by Chiappe and Calvo (1994). Its type specimen is MUCHPv-142, a partial skeleton (articulated skeleton including posterior portion of skull and partial axial, forelimb, and hindlimb elements), and it is a 3D body fossil. Its type locality is Boca del Sapo, Universidad Nacional del Comahue, which is in a Santonian fluvial-deltaic sandstone in the Bajo de la Carpa Formation of Argentina.

Synonymy list
YearName and author
1994Neuquenornis volans Chiappe and Calvo p. 232
1995Neuquenornis volans Sanz et al. p. 18 fig. 15
2002Neuquenornis volans Chiappe p. 457
2013Neuquenornis volans Zhou et al.

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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
Archosauromorpha(Huene 1946)
RankNameAuthor
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptora
Paraves
classAves
PygostyliaChiappe 2002
Ornithothoraces
subclassEnantiornithes
familyAvisauridae
genusNeuquenornis
speciesvolans

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. M. Chiappe and J. O. Calvo 1994Neuquenornis volans is diagnosed as an enantiornithine avisaurid (see Chiappe, 1992a and below for an emended diagnosis of Avisauridae) and is separable from all other members of the family by having a tarsometatarsus that is much more gracile. It also differs from all other known Enantiornithes in having a posterior trochanter of femur wide and winglike; lateral border of the distal end of femur less projected caudally; furcula laminar, laterally compressed, with the cranial border projecting outwards; major and minor metacarpals subequal; and much less prominent lateral grooves of thoracic vertebral bodies.