TaxNo: 5197Family Welleritidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: | Welleritidae |
| Qualifier: | fa |
| Author: |
Plummer & Scott 1937,p.375
|
| Lower Boundary: |
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
| Upper Boundary: |
UOK Wewoka Fm. top, 307.1 million years
|