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Neuquenornis volans

Reptilia - 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
2002Neuquenornis volans Varricchio
2011Neuquenornis volans Lawver et al.
2011Neuquenornis volans Turner et al. p. 44
2013Neuquenornis volans Zhou et al.
2015Neuquenornis volans Méndez et al. p. 28
2016Neuquenornis volans Cruzado-Caballero et al. p. 53

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
RankNameAuthor
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—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.

†Neuquenornis volans Chiappe and Calvo 1994
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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.