|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Avetheropoda - Avisauridae
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.
|L. M. Chiappe and J. O. Calvo 1994||Neuquenornis 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.|