| Suborder: |
Tornoceratina
|
| Superfamily: |
Karagandoceratoidea
|
| Family: |
Prodromitidae
|
| Genus: |
Prodromites
|
| Species: | gorbyi+ |
| Qualifier: | ss |
| Author: |
Miller 1891,p.90
|
| Lower Boundary: |
UMO Chouteau Lst. base, 354 million years
|
| Upper Boundary: |
UIN Rockford Lst. + low.Nancy Mb. top, 352 million years
|
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