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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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Tornoceratidae 
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| 
Subfamily:
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Aulatornoceratinae 
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| 
Genus:
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Planitornoceras 
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| 
Species:
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transuralense | 
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Qualifier:
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sy | 
| 
Author:
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	Nalivkina 1953,p.71	 
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| 
Valid:
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Polonoceras planidorsatum (Münster 1832) | 
| 
Lower Boundary:
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UD2H--UD2I:(mamilliferum base)   [12,90], 370 million years
 
 | 
| 
Upper Boundary:
 | 
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
 
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