| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Dimeroceratidae
|
| Subfamily: |
Dimeroceratinae
|
| Genus: |
Paradimeroceras
|
| Species: | bullatum |
| Qualifier: | ss |
| Author: |
Lange 1929,p.39
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|
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