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Temporal range: 70 Ma
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Enantiornithes
Family: Avisauridae
Genus: Soroavisaurus
Chiappe, 1993
S. australis
Binomial name
Soroavisaurus australis
Chiappe, 1993

Soroavisaurus is a genus of enantiornithine birds related to Avisaurus. It lived during the Late Cretaceous of Argentina. The only known species, S. australis, is known from fossils collected from the Lecho Formation (Maastrichtian age) of Estancia El Brete, in the southern tip of the province of Salta, Argentina. The specimens are in the collection of the Fundación-Instituto Miguel Lillo, Tucumán. They are cataloged as PVL-4690, a 46.9 mm — long left tarsometatarsus, and PVL-4048, which includes another left tarsometatarsus, 51.5mm long and associated with the whole hallux, or digit I, and four intermediate phalanges. PVL-4048 was previously described as "Avisaurus sp." (see Avisaurus).[1]


  1. ^ Chiappe, Luis M. (1993) "Enantiornithine (Aves) Tarsometatarsi from the Cretaceous Lecho Formation of Northwestern Argentina." "American Museum Novitates" December 27, 1993 Number 3083, 27pp.

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