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TaxNo: 3826Paragastrioceras caducum
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Paragastrioceratidae
Subfamily: Paragastrioceratinae
Genus: Paragastrioceras
Species: caducum
Qualifier: ss
Author: Ruzhencev 1956,p.162
Lower Boundary: Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years