Suborder:
|
Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Reticuloceratidae
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Subfamily:
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Reticuloceratinae
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Genus:
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Agastrioceras |
Qualifier:
|
ge |
Author:
|
Schmidt 1938,p.120
|
Lower Boundary:
|
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
Upper Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|