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TaxNo: 1443Clauseniceras sahlgrundense
Suborder: Anarcestina
Superfamily: Beloceratoidea
Family: Gephuroceratidae
Subfamily: Gephuroceratinae
Genus: Clauseniceras
Species: sahlgrundense
Qualifier: ss
Author: Matern 1931,p.72
Lower Boundary: DER do one beta--do one gamma, 377.5 million years
Upper Boundary: UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years