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TaxNo: 4148Family Cyrtoclymeniidae
Suborder: Clymeniina
Superfamily: Cyrtoclymenioidea
Family: Cyrtoclymeniidae
Qualifier: fa
Author: Hyatt 1884,p.313
Lower Boundary: UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
Upper Boundary: UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years