| Suborder: |
Goniatitina
|
| Superfamily: |
Adrianitoidea
|
| Family: |
Adrianitidae
|
| Subfamily: | Texoceratinae |
| Qualifier: | fs |
| Author: |
Ruzhencev & Bog. 1978,p.87
|
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
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