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Suborder:
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Tornoceratina 
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Superfamily:
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Tornoceratoidea 
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Family:
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Posttornoceratidae 
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Genus:
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Discoclymenia 
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Species:
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cornwallensis aff., sp.nov. | 
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Qualifier:
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af | 
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Author:
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	Becker 2002,p.70	 
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Lower Boundary:
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UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
 
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Upper Boundary:
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UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
 
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