TaxNo: 5868Subfamily Cyclolobinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: | Cyclolobinae |
| Qualifier: | fs |
| Author: |
Zittel 1895,p.408
|
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Rotodiscoceras top, 251.5 million years
|