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Suborder:
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Goniatitina
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Superfamily:
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Adrianitoidea
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Family:
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Adrianitidae
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Subfamily:
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Adrianitinae
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Genus:
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Adrianites
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Species:
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globosus forma alpha |
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Qualifier:
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sn |
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Author:
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Chernov 1939,p.180
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Lower Boundary:
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Sakmarian--Artinskian [SAK--ART], 284.4 million years
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Upper Boundary:
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Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
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