Suborder:
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Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Prionoceratidae
|
Genus:
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Effenbergia |
Qualifier:
|
ge |
Author:
|
Korn & Klug 2002,p.195
|
Lower Boundary:
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UD6A2--UD6B:Balvia(M.) lens base [18,20], 363.2 million years
|
Upper Boundary:
|
UD6C2--UD6D1:parad.--Wo.sphaeroi.[18,90], 361.6 million years
|