TaxNo: 7122Genus Archboldiceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Metalegoceratidae
|
| Subfamily: |
Spirolegoceratinae
|
| Genus: | Archboldiceras |
| Qualifier: | gy |
| Author: |
Leonova & Shilovskii 2007,p.32
|
| Valid: |
Spirolegoceras Miller et al. (TAX5856) |
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|