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Suborder:
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Paraceltitina
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Superfamily:
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Xenodiscoidea
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Family:
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Xenodiscidae
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Genus:
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Paraceltitoides |
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Qualifier:
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gy |
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Author:
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Sheng & Chen 1979,p.18
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Valid:
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Xenodiscus Waagen,1879 TAX5095 |
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Lower Boundary:
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Capitanian--Wuchiapingian [CAP--DZH], 260.4 million years
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Upper Boundary:
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Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
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