Suborder:
|
Agoniatitina
|
Superfamily:
|
Mimoceratoidea
|
Family:
|
Gyroceratitidae |
Qualifier:
|
fy |
Author:
|
Schindewolf 1932,p.175
|
Valid:
|
Mimoceratidae Steinmann,1890,p.394 |
Lower Boundary:
|
CZB Middle--Upper Zlichov Lst., 405.8 million years
|
Upper Boundary:
|
DEH Hasselfelde Lst. top, 398 million years
|