| |
Type |
Name |
|
Family |
Clistoceratidae (Qualifier: fy) |
|
Family |
Decoritidae (Qualifier: fy) |
|
Family |
Gastrioceratidae |
|
Family |
Glaphyritidae |
|
Family |
Homoceratidae |
|
Family |
Nodogastrioceratidae (Qualifier: fy) |
|
Family |
Reticuloceratidae |
|
Family |
Stenoglaphyritidae (Qualifier: fy) |
|
Family |
Surenitidae (Qualifier: fy) |