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TaxNo: 3204Paragastrioceras ellipsoidale
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Paragastrioceratidae
Subfamily: Paragastrioceratinae
Genus: Paragastrioceras
Species: ellipsoidale
Qualifier: ss
Author: Fredericks 1915,p.43
Lower Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years