Suborder:
|
Goniatitina
|
Superfamily:
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Schistoceratoidea
|
Family:
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Schistoceratidae
|
Genus:
|
Branneroceras
|
Species:
|
costatum |
Qualifier:
|
sn |
Author:
|
Termier 1952,p.12
|
Lower Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|
Upper Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|