| Suborder: |
Goniatitina
|
| Superfamily: |
Thalassoceratoidea
|
| Family: |
Bisatoceratidae
|
| Genus: | Pseudobisatoceras |
| Qualifier: | ge |
| Author: |
Maksimova 1940,p.859
|
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Brentwood Lst.--Woolsey, 312.5 million years
|
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