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Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Glaphyritidae
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Subfamily:
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Glaphyritinae
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Genus:
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Paracravenoceras
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Species:
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ozarkense+ |
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Qualifier:
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ss |
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Author:
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Gordon 1960,p.143
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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 upper Fayetteville--lower Pitkin, 324.3 million years
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