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Suborder:
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Prolecanitina 
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Superfamily:
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Medlicottioidea 
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Family:
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Medlicottiidae 
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Subfamily:
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Propinacoceratinae 
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Genus:
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Propinacoceras 
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Species:
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toumanskayae | 
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Qualifier:
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ss | 
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Author:
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	Leonova 1989,p.85	 
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Lower Boundary:
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Kochusu Fm.,lower, lower--middel part, 270 million years
 
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| 
Upper Boundary:
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TAP Shindyi Fm. top, 265.8 million years
 
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