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Suborder:
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Goniatitina 
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| 
Superfamily:
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Schistoceratoidea 
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| 
Family:
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Christioceratidae 
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| 
Genus:
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Christioceras 
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| 
Species:
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domokhotovi | 
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Qualifier:
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ss | 
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Author:
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	Popov 1970,p.136	 
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| 
Lower Boundary:
 | 
U  Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
 
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| 
Upper Boundary:
 | 
UAR Lower--Upper Atoka Fm., 309.2 million years
 
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