| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Stenoglaphyritinae
|
| Genus: | Aclistoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev 1975,p.41
|
| Lower Boundary: |
Serpukhovian--Bashkirian [SPK--BSH], 318.1 million years
|
| Upper Boundary: |
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|
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