| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: |
Stacheoceras
|
| Species: | tschernyschewi |
| Qualifier: | ss |
| Author: |
Stoyanov 1910,p.71
|
| Lower Boundary: |
AZB base Araxoceras beds, 260.4 million years
|
| Upper Boundary: |
AZB Phisonites beds top, 253.4 million years
|
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