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TaxNo: 684Cymaclymenia constricta
Suborder: Clymeniina
Superfamily: Cyrtoclymenioidea
Family: Cymaclymeniidae
Genus: Cymaclymenia
Species: constricta
Qualifier: sy
Author: Selwood 1960,p.166
Valid: Cymaclymenia striata (Münster 1832)
Lower Boundary: UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
Upper Boundary: UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years