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Suborder:
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Clymeniina
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Superfamily:
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Clymenioidea
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Family:
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Clymeniidae
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Genus:
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Kosmoclymenia
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Subgenus:
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Linguaclymenia |
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Qualifier:
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gs |
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Author:
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Korn & Price 1987,p.46
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Lower Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
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Upper Boundary:
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UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
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