TaxNo: 6823Genus Maideroceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Praeglyphioceratoidea
|
| Family: |
Sporadoceratidae
|
| Genus: | Maideroceras |
| Qualifier: | ge |
| Author: |
Becker 2002,p.68
|
| Lower Boundary: |
UD2I--UD3A:mamillif.--P.dorsatum [13,20], 369.6 million years
|
| Upper Boundary: |
UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
|