| Suborder: |
Clymeniina
|
| Superfamily: |
Clymenioidea
|
| Family: |
Clymeniidae
|
| Genus: |
Protoxyclymenia
|
| Species: | dunkeri+ |
| Qualifier: | ss |
| Author: |
Münster 1839,p.15
|
| Lower Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|
| Upper Boundary: |
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
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