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TaxNo: 6908Subfamily Discoclymeniinae
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Posttornoceratidae
Subfamily: Discoclymeniinae
Qualifier: fs
Author: Korn & Klug 2002,p.169
Lower Boundary: UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
Upper Boundary: UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years