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TaxNo: 6606Genus Goniocycloides
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Pericyclinae
Genus: Goniocycloides
Qualifier: ge
Author: Work & Nassichuk 2000,p.35
Lower Boundary: GBY lower--upper Chadian [CHD], 345.3 million years
Upper Boundary: Chadian--Arundian [V1a--V1b] [CHD--ARU], 344.5 million years