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TaxNo: 6239Subgenus Cymaclymenia
Suborder: Clymeniina
Superfamily: Cyrtoclymenioidea
Family: Cymaclymeniidae
Genus: Cymaclymenia
Subgenus: Cymaclymenia
Qualifier: gy
Author: Hyatt 1884,p.314
Lower Boundary: UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
Upper Boundary: Devonian--Carboniferous Boundary [DCB], 359.2 million years