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TaxNo: 2410Umbetoceras uskalykense+
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Homoceratidae
Subfamily: Homoceratinae
Genus: Umbetoceras
Species: uskalykense+
Qualifier: ss
Author: Ruzhencev & Bog. 1971,p.28
Lower Boundary: RUS Nm2b2--Nm2b3 (alpharh.--R.reticul.), 315.4 million years
Upper Boundary: RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years