| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Sudeticeratinae
|
| Genus: | Pseudogirtyoceras |
| Qualifier: | ge |
| Author: |
Wagner-Gentis 1982,p.346
|
| Lower Boundary: |
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|
| Upper Boundary: |
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|
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