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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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Dzhulfitidae
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Genus:
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Dzhulfites |
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Qualifier:
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gy |
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Author:
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Shevyrev 1965,p.172
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Valid:
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Paratirolites Stoyanov TAX5106 |
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Lower Boundary:
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AZB Dzhulfites beds base, 253 million years
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Upper Boundary:
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AZB Dzhulfites--Bernhardites beds, 252.5 million years
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