[D] Soroavisaurus australis [~/~]
Describer
Chiappe, 1993
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Ornithothoraces Enantiornithes
Fossilsite
Estancia El Brete, Department of Candelaria, Lecho Formation, Salta Province, Argentina
Info
Diagnosis
Enantiomithine 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.
Etymology
Soroavisaurus from Latin soror, meaning \\\"sister,\\\" and Avisaurus (Brett-Surman and Paul, 1985), referring to the sistergroup relationship inferred for these two taxa; australis refers to the ocurrence of this species in the Southern Hemisphere.
Holotype
PVL-4690 (fig. 7), left tarsometatarsus. Specimen previously referred to as Avisaurus sp. (Brett-Surman and Paul, 1985; Chiappe, 1992a; Chiappe and Calvo, in press).
Refered specimens
PVL-4048, left tarsometatarsus, metatarsal I with proximal and distal phalanges of digit I, and four intermediate phalanges. This specimen was also informerly identified as Avisaurus sp. (Brett-Surman and Paul, 1985; Chiappe, 1992a; Chiappe and Calvo, in press).
Chiappe, 1993
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Ornithothoraces Enantiornithes
Fossilsite
Estancia El Brete, Department of Candelaria, Lecho Formation, Salta Province, Argentina
Info
Diagnosis
Enantiomithine 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.
Etymology
Soroavisaurus from Latin soror, meaning \\\"sister,\\\" and Avisaurus (Brett-Surman and Paul, 1985), referring to the sistergroup relationship inferred for these two taxa; australis refers to the ocurrence of this species in the Southern Hemisphere.
Holotype
PVL-4690 (fig. 7), left tarsometatarsus. Specimen previously referred to as Avisaurus sp. (Brett-Surman and Paul, 1985; Chiappe, 1992a; Chiappe and Calvo, in press).
Refered specimens
PVL-4048, left tarsometatarsus, metatarsal I with proximal and distal phalanges of digit I, and four intermediate phalanges. This specimen was also informerly identified as Avisaurus sp. (Brett-Surman and Paul, 1985; Chiappe, 1992a; Chiappe and Calvo, in press).