TaxNo: 6863Polaricyclus conkini
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: |
Pericyclinae
|
| Genus: |
Polaricyclus
|
| Species: | conkini |
| Qualifier: | ss |
| Author: |
Work & Mason 2004,p.1130
|
| Lower Boundary: |
GBY Courceyian--lower Chadian, 347.5 million years
|
| Upper Boundary: |
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|