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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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Protoxyclymenia
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Species:
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plana |
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Qualifier:
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ss |
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Author:
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Nikolaeva & Bogoslovsky 2005,p.150
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Lower Boundary:
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UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
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Upper Boundary:
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UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
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