TaxNo: 6880Helicocyclus aberratus
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: |
Ammonellipsitinae
|
| Genus: |
Helicocyclus
|
| Species: | aberratus |
| Qualifier: | ss |
| Author: |
Kuzina & Konovalova 2004,p.18
|
| Lower Boundary: |
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|
| Upper Boundary: |
Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
|