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TaxNo: 5271Genus Strigotumarceras
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Paragastrioceratidae
Subfamily: Paragastrioceratinae
Genus: Strigotumarceras
Qualifier: gy
Author: Popov 1970, p.133
Valid: Tumaroceras Ruzhentsev 1961
Lower Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years