TaxNo: 4606Genus Pericycloides
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Goniatitidae
|
| Genus: | Pericycloides |
| Qualifier: | gy |
| Author: |
Follot 1953,p.14
|
| Valid: |
Progoniatites Korn et al., 2003 TAX6753 |
| Lower Boundary: |
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|
| Upper Boundary: |
DER Go beta striatus--Go beta falcatus, 329.4 million years
|