Suborder:
|
Goniatitina
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Superfamily:
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Neodimorphoceratoidea
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Family:
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Ramositidae
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Genus:
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Homoceratoides
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Species:
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librovitchi |
Qualifier:
|
ss |
Author:
|
Ruzhencev & Bog. 1978,p.303
|
Lower Boundary:
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RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
Upper Boundary:
|
RUS Nm2c1--Nm2c2 (V.vern.--B.superbil.), 314.2 million years
|