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TaxNo: 6635Irdanites kaufmanni
Suborder: Agoniatitina
Superfamily: Mimoceratoidea
Family: Teicherticeratidae
Subfamily: Palaeogoniatitinae
Genus: Irdanites
Species: kaufmanni
Qualifier: ss
Author: Klug 2001,p.508
Lower Boundary: CZB zlichovensis Zone base [di97:10,80], 406.7 million years
Upper Boundary: CZB praecursor Zone base [12,10], 406.4 million years