TaxNo: 5847Family Aulacogastrioceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: | Aulacogastrioceratidae |
| Qualifier: | fy |
| Author: |
Zhao & Zheng 1977,p.240
|
| Valid: | Aulacogastrioceratinae |
| Lower Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
| Upper Boundary: |
Permian--Triassic (Induan base), 251 million years
|