TaxNo: 7357Subfamily Hammatocyclinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: | Hammatocyclinae |
| Qualifier: | fs |
| Author: |
Ebbighausen et.al. 2010
|
| Lower Boundary: |
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|
| Upper Boundary: |
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|