Suborder:
|
Tornoceratina
|
Superfamily:
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Karagandoceratoidea
|
Family:
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Prodromitidae
|
Genus:
|
Prodromites?
|
Species:
|
sp. |
Qualifier:
|
of |
Author:
|
Schindewolf 1959,p.973
|
Lower Boundary:
|
UMO Chouteau Lst. base, 354 million years
|
Upper Boundary:
|
UMO Chouteau Lst. top, 353 million years
|