TaxNo: 5878Genus Policeras
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Marathonitidae
|
| Genus: | Policeras |
| Qualifier: | gy |
| Author: |
Tumanskaia 1939,p.18
|
| Valid: | Marathonites Böse,1919,p.133 |
| Lower Boundary: |
UTX upper-uppermost Gaptank, 300 million years
|
| Upper Boundary: |
UTX Gaptank Fm. top, 299 million years
|