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TaxNo: 4190Gonioloboceratoides curvatus+
Suborder: Goniatitina
Superfamily: Gonioloboceratoidea
Family: Gonioloboceratidae
Genus: Gonioloboceratoides
Species: curvatus+
Qualifier: ss
Author: Nassichuk 1975,p.75
Lower Boundary: Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
Upper Boundary: U Atokan--Desmoinesian [ATO--DES], 308.6 million years