TaxNo: 5548Family Homoceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: | Homoceratidae |
| Qualifier: | fa |
| Author: |
Spath 1934,p.15
|
| Lower Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|
| Upper Boundary: |
RUS Nm2c2 top;Biling./Canc.--Bran./Gast., 313 million years
|