TaxNo: 804Rectoclymenia retrursa
| Suborder: |
Clymeniina
|
| Superfamily: |
Cyrtoclymenioidea
|
| Family: |
Rectoclymeniidae
|
| Genus: |
Rectoclymenia
|
| Species: | retrursa |
| Qualifier: | ss |
| Author: |
Czarnocki 1989,p.51
|
| Lower Boundary: |
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
| Upper Boundary: |
UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
|