Suborder:
|
Agoniatitina
|
Superfamily:
|
Mimoceratoidea
|
Family:
|
Mimoceratidae
|
Genus:
|
Mimoceras |
Qualifier:
|
gy |
Author:
|
Hyatt 1884,p.309
|
Valid:
|
Gyroceratites von Meyer 1831 |
Lower Boundary:
|
CZB Middle--Upper Zlichov Lst., 405.8 million years
|
Upper Boundary:
|
DEH Hasselfelde Lst. top, 398 million years
|