TaxNo: 1172Gyroceratites laevis
| Suborder: |
Agoniatitina
|
| Superfamily: |
Mimoceratoidea
|
| Family: |
Mimoceratidae
|
| Genus: |
Gyroceratites
|
| Species: | laevis |
| Qualifier: | ss |
| Author: |
Eichenberg 1931,p.181
|
| Lower Boundary: |
CZB Middle--Upper Zlichov Lst., 405.8 million years
|
| Upper Boundary: |
CZB cancellata--richteri Zone [15,20], 402 million years
|