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Suborder:
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Tornoceratina
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Superfamily:
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Dimeroceratoidea
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Family:
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Cheiloceratidae
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Genus:
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Staffites
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Species:
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complanatus |
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Qualifier:
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sn |
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Author:
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Matern 1931,p.34
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Lower Boundary:
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UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
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Upper Boundary:
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UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
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