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Suborder:
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Goniatitina
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Superfamily:
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Schistoceratoidea
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Family:
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Dunbaritidae |
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Qualifier:
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fy |
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Author:
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Miller & Furnish 1957,p.L67
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Valid:
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Dunbaritinae Miller & Furnish,1957 TAX5717 |
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Lower Boundary:
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U Atokan--Desmoinesian [ATO--DES], 308.6 million years
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Upper Boundary:
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U Virgilian--Asselian [C--P], 299 million years
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