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Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Glaphyritidae
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Subfamily:
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Glaphyritinae
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Genus:
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Richardsonites
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Species:
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scoticus |
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Qualifier:
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ss |
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Author:
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Currie 1954,p.575
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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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Pendleian--Arnsbergian [PND--ARN], 324 million years
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