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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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Qualifier:
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fa |
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Author:
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Furnish & Knapp 1966, p.304
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Lower Boundary:
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UKY Kendrick Shale base, 313 million years
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Upper Boundary:
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Gzhelian--Asselian [C--P], 299 million years
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