TaxNo: 6078Genus Procycloceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Cyclolobinae
|
| Genus: | Procycloceras |
| Qualifier: | gn |
| Author: |
Tumanskaia 1939,p.19
|
| Valid: | Cyclolobus Waagen,1879,p.21 |
| Lower Boundary: |
PAK Chhidru Fm. base, 260.4 million years
|
| Upper Boundary: |
PAK Chhidru Fm. top, 253 million years
|