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TaxNo: 991Kosmoclymenia crassa
Suborder: Clymeniina
Superfamily: Clymenioidea
Family: Clymeniidae
Genus: Kosmoclymenia
Species: crassa
Qualifier: sy
Author: Ruan 1981,p.129
Valid: Kosmoclymenia lamellosa (Wedekind 1914)
Lower Boundary: UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
Upper Boundary: UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years