TaxNo: 5859Family Eothinitidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: | Eothinitidae |
| Qualifier: | fy |
| Author: |
Ruzhencev 1956,p.193
|
| Valid: | Metalegoceratidae (Eothinitinae) |
| Lower Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|