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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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Bilinguites | 
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Qualifier:
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ge | 
| 
Author:
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	Librovitch 1946,p.79	 
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| 
Lower Boundary:
 | 
Kinderscoutian--Marsdenian    [KIN--MRD], 315 million years
 
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| 
Upper Boundary:
 | 
U   Halian--Bloydian, Brentwood base, 313 million years
 
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