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Suborder:
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Goniatitina
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Superfamily:
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Nomismoceratoidea
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Family:
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Nomismoceratidae
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Genus:
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Nomismoceras
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Species:
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marshallense |
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Qualifier:
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ss |
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Author:
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Gordon 1965,p.248
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Lower Boundary:
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UAR basal--lower shale of Fayetteville, 327 million years
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Upper Boundary:
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UAR lower shale--Wedington/Fayetteville, 326.4 million years
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