| Suborder: |
Goniatitina
|
| Superfamily: |
Gonioloboceratoidea
|
| Family: |
Gonioloboceratidae
|
| Genus: | Milleroceras |
| Qualifier: | gy |
| Author: |
Hyatt 1900,p.550
|
| Valid: | Gonioloboceras Hyatt 1900,p.551 |
| Lower Boundary: |
UOK Wewoka Fm. base, 307.4 million years
|
| Upper Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
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