TaxNo: 5567Subgenus Crencelloceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: |
Cancelloceras
|
| Subgenus: | Crencelloceras |
| Qualifier: | gs |
| Author: |
Nikolaeva & Kullm. 1995,p.309
|
| Lower Boundary: |
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
| Upper Boundary: |
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|