TaxNo: 3991Family Entogonitidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Nomismoceratoidea
|
| Family: | Entogonitidae |
| Qualifier: | fa |
| Author: |
Ruzhencev & Bog. 1971,p.166
|
| Lower Boundary: |
DER Pe delta, nasutus Z. base [09.25], 334.5 million years
|
| Upper Boundary: |
UAK Alapah Lst. top, 326.4 million years
|