Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Homoceratidae
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Subfamily:
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Homoceratinae
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Genus:
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Homoceras
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Species:
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sp. |
Qualifier:
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in |
Author:
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div. authors
|
Lower Boundary:
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RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|
Upper Boundary:
|
RUS Nm2a2--Nm2b1,Reticuloc.-Bashkortoc.G, 317.2 million years
|