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TaxNo: 1071Protactoclymenia krasnopolski
Suborder: Clymeniina
Superfamily: Cyrtoclymenioidea
Family: Cyrtoclymeniidae
Genus: Protactoclymenia
Species: krasnopolski
Qualifier: ss
Author: Chernyshev 1887,p.19
Lower Boundary: UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
Upper Boundary: UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years