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TaxNo: 586Kirsoceras kayseri
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Aulatornoceratinae
Genus: Kirsoceras
Species: kayseri
Qualifier: ss
Author: Drevermann 1901,p.135
Lower Boundary: UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
Upper Boundary: UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years