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Suborder:
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Goniatitina
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Superfamily:
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Neoicoceratoidea
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Family:
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Paragastrioceratidae
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Subfamily:
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Paragastrioceratinae
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Genus:
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Paragastrioceras
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Species:
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sp.nov.2 |
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Qualifier:
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of |
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Author:
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Andrianov 1985,p.138
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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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Artinskian/Baigendzh--Kungurian/Leonardi, 275.6 million years
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