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TaxNo: 5273Subfamily Pseudogastrioceratinae
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Paragastrioceratidae
Subfamily: Pseudogastrioceratinae
Qualifier: fs
Author: Ruzhencev 1966,p.278
Lower Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
Upper Boundary: Rotodiscoceras top, 251.5 million years