Suborder:
|
Tornoceratina
|
Superfamily:
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Dimeroceratoidea
|
Family:
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Dimeroceratidae
|
Subfamily:
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Dimeroceratinae
|
Genus:
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Dimeroceras
|
Species:
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guembeli* |
Qualifier:
|
ss |
Author:
|
Wedekind 1908,p.601
|
Lower Boundary:
|
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
Upper Boundary:
|
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|