TaxNo: 211Genus Gyroceratites
| Suborder: |
Agoniatitina
|
| Superfamily: |
Mimoceratoidea
|
| Family: |
Mimoceratidae
|
| Genus: | Gyroceratites |
| Qualifier: | ge |
| Author: |
Meyer 1831,p.73
|
| Lower Boundary: |
CZB Middle--Upper Zlichov Lst., 405.8 million years
|
| Upper Boundary: |
DEH Hasselfelde Lst. top, 398 million years
|