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Yungavolucris brevipedalis

Reptilia

Taxonomy
Yungavolucris brevipedalis was named by Chiappe (1993). Its type specimen is PVL 4053, a limb element (nearly complete right tarsometarsus), and it is a 3D body fossil. Its type locality is Estancia "El Brete" (PVL), which is in a Maastrichtian fluvial-lacustrine sandstone in the Lecho Formation of Argentina.

Synonymy list
YearName and author
1993Yungavolucris brevipedalis Chiappe
1994Yungavolucris brevipedalis Chiappe and Calvo p. 238 fig. 8
1995Yungavolucris brevipedalis Sanz et al. p. 18 fig. 15
2011Yungavolucris brevipedalis Lawver et al.

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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()
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
Tetanurae
Coelurosauria()
Maniraptora
Paraves
classAves
PygostyliaChiappe 2002
Ornithothoraces
subclassEnantiornithes
genusYungavolucris
speciesbrevipedalis

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.

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Diagnosis
ReferenceDiagnosis
L. M. Chiappe 1993Enantiomithine bird with short and broad tarsometatarsus possessing the following autapomorphies: distal end much broader than proximal end; broad, dorsoplantarly compressed, and pulleylike trochlea of metatarsal II; distal end of metatarsal III laterally curved; metatarsal IV equal in length to metatarsal III; prominent dorsal ridge between distal halves of metatarsals II and III.