Suborder:
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Goniatitina
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Superfamily:
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Dimorphoceratoidea
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Family:
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Dimorphoceratidae
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Subfamily:
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Glyphiolobinae
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Genus:
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Glyphiolobus
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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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Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
Upper Boundary:
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RUS Nm2c2 top;Biling./Canc.--Bran./Gast., 313 million years
|