| Suborder: |
Clymeniina
|
| Superfamily: |
Cyrtoclymenioidea
|
| Family: |
Cymaclymeniidae
|
| Genus: |
Cymaclymenia
|
| Species: | nigra |
| Qualifier: | ss |
| Author: |
Korn 1991,p.560
|
| Lower Boundary: |
UD6C2--UD6D1:parad.--Wo.sphaeroi.[18,90], 361.6 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|
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