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Suborder:
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Goniatitina
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Superfamily:
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Neodimorphoceratoidea
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Family:
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Neodimorphoceratidae
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Genus:
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Neodimorphoceras
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Subgenus:
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Pinoceras |
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Qualifier:
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gs |
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Author:
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Ruzhencev 1947,p.523
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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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Gzhelian--Asselian [C--P], 299 million years
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