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Suborder:
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Goniatitina 
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Superfamily:
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Pericycloidea 
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Family:
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Pericyclidae 
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Subfamily:
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Pericyclinae 
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Genus:
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Goniocyclus 
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| 
Species:
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pulcher | 
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Qualifier:
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sn | 
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Author:
 | 
	Lisitsyn 1909,p.117	 
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| 
Lower Boundary:
 | 
low.Tournais.--mid.Tournais.  [Tn1--Tn2], 357.5 million years
 
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| 
Upper Boundary:
 | 
UMO Hannibal Shale top, 357 million years
 
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