Suborder:
|
Goniatitina
|
Superfamily:
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Gonioloboceratoidea
|
Family:
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Wiedeyoceratidae |
Qualifier:
|
fa |
Author:
|
Ruzhencev & Bog. 1978,p.85
|
Lower Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|
Upper Boundary:
|
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|