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Suborder:
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Goniatitina
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Superfamily:
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Thalassoceratoidea
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Family:
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Bisatoceratidae
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Genus:
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Neoglaphyrites |
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Qualifier:
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ge |
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Author:
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Ruzhencev 1938,p.272
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Lower Boundary:
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RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
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Upper Boundary:
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Asselian--Sakmarian [ASS--SAK], 294.6 million years
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