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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Glaphyritidae
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Subfamily:
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Stenoglaphyritinae
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Genus:
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Clistoceras
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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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Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
Upper Boundary:
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U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|