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Suborder:
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Goniatitina 
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Superfamily:
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Gastrioceratoidea 
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Family:
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Reticuloceratidae 
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Subfamily:
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Reticuloceratinae 
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Genus:
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Agastrioceras 
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Species:
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sp. | 
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Qualifier:
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in | 
| 
Author:
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	div. authors 	 
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| 
Lower Boundary:
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RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
 
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| 
Upper Boundary:
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Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
 
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