TaxNo: 7302Helicocyclus inornatus
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: |
Ammonellipsitinae
|
| Genus: |
Helicocyclus
|
| Species: | inornatus |
| Qualifier: | ss |
| Author: |
Korn, Bockwinkel, Ebbighausen 2010, p. 70
|
| Lower Boundary: |
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|
| Upper Boundary: |
Tournaisian--Visean [TOU--VIS], 345.3 million years
|