Suborder:
|
Tornoceratina
|
Superfamily:
|
Dimeroceratoidea
|
Family:
|
Dimeroceratidae
|
Subfamily:
|
Dimeroceratinae
|
Genus:
|
Paradimeroceras
|
Species:
|
umbilicatum |
Qualifier:
|
sy |
Author:
|
Sobolev 1914,p.54
|
Valid:
|
Paradimeroceras beneckei (Wedekind 1908) |
Lower Boundary:
|
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
Upper Boundary:
|
UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|