Suborder:
|
Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Reticuloceratidae
|
Subfamily:
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Surenitinae
|
Genus:
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Ugamites |
Qualifier:
|
ge |
Author:
|
Nikolaeva 1994,p.104
|
Lower Boundary:
|
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
Upper Boundary:
|
RUS Nm2c2 top;Biling./Canc.--Bran./Gast., 313 million years
|