TaxNo: 5285Family Anuitidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: | Anuitidae |
| Qualifier: | fy |
| Author: |
Andrianov 1985,p.154
|
| Valid: | Metalegoceratidae (Spirolegoceratinae) |
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|