Suborder:
|
Goniatitina
|
Superfamily:
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Schistoceratoidea
|
Family:
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Schistoceratidae
|
Genus:
|
Schistoceras
|
Species:
|
suburalense |
Qualifier:
|
ss |
Author:
|
Ruzhencev 1950,p.124
|
Lower Boundary:
|
RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
|
Upper Boundary:
|
RUS lower--upper Zhigulian, 305.9 million years
|