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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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Reticuloceratidae
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Subfamily:
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Arkanitinae |
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Qualifier:
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fy |
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Author:
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McCaleb et al. 1964,p.26
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Valid:
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Reticuloceratidae (Reticuloceratinae)* |
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Lower Boundary:
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UAR Cane Hill--Prairie Grove of Hale Fm., 314.8 million years
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Upper Boundary:
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U Halian--Bloydian, Brentwood base, 313 million years
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