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TaxNo: 5266Genus Girtyites
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Paragastrioceratidae
Subfamily: Paragastrioceratinae
Genus: Girtyites
Qualifier: gy
Author: Wedekind 1918,p.160
Valid: Paragastrioceras Chernov 1907,p.288
Lower Boundary: Asselian--Sakmarian [ASS--SAK], 294.6 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years