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TaxNo: 4804Cancelloceras martini
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Gastrioceratidae
Genus: Cancelloceras
Species: martini
Qualifier: sy
Author: Schmidt 1925,p.594
Valid: Cancelloceras crencellatum (Bisat 1924)
Lower Boundary: Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
Upper Boundary: Yeadonian--Langsettian, Westph.A [YEA--, 313 million years