Suborder:
|
Goniatitina
|
Superfamily:
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Thalassoceratoidea
|
Family:
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Bisatoceratidae
|
Genus:
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Neoglaphyrites |
Qualifier:
|
ge |
Author:
|
Ruzhencev 1938,p.272
|
Lower Boundary:
|
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|
Upper Boundary:
|
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|