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Soroavisaurus australis

Reptilia - Avetheropoda - Avisauridae

Taxonomy
Soroavisaurus australis was named by Chiappe (1993). Its type specimen is PVL 4690, a set of limb elements (left tarsometatarsus, metatarsal I with proximal and distal phalanges of digit I,and four intermediate phalanges), 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. It is the type species of Soroavisaurus.

Synonymy list
YearName and author
1993Soroavisaurus australis Chiappe p. 14 figs. 7-11
1994Soroavisaurus australis Chiappe and Calvo p. 237
1995Soroavisaurus australis Sanz et al. p. 18 fig. 15
2002Soroavisaurus australis Chiappe p. 457

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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
genusSoroavisaurus
speciesaustralis

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 1993Enantiomithine avisaurid with the following autapomorphies: plantar surface ofproximal halfofmetatarsal II forming a sharp edge (convergent with Lectavis bretincola); long and narrow fenestra open between the proximal halves of metatarsals III and IV; dorsally projected edge on the trochlea for metatarsal IV.