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Suborder:
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Agoniatitina
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Superfamily:
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Mimoceratoidea
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Family:
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Mimoceratidae
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Genus:
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Gyroceratites
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Species:
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sp. |
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Qualifier:
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in |
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Author:
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div. authors
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Lower Boundary:
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CZB Middle--Upper Zlichov Lst., 405.8 million years
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Upper Boundary:
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DEH Hasselfelde Lst. top, 398 million years
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