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Suborder:
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Goniatitina
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Superfamily:
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Dimorphoceratoidea
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Family:
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Anthracoceratidae
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Genus:
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Paradimorphoceras
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Species:
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xinjiangense |
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Qualifier:
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sn |
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Author:
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Wang 1983,p.521
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Lower Boundary:
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Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
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Upper Boundary:
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Arnsbergian--Chokierian [ARN--CHO], 319 million years
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