| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Gastrioceratoidea 
 | 
| 
Family:
 | 
Reticuloceratidae 
 | 
| 
Subfamily:
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Reticuloceratinae 
 | 
| 
Genus:
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Bilinguites 
 | 
| 
Species:
 | 
bilinguis | 
| 
Qualifier:
 | 
ss | 
| 
Author:
 | 
	Salter 1864,p.60	 
 | 
| 
Lower Boundary:
 | 
Kinderscoutian--Marsdenian    [KIN--MRD], 315 million years
 
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| 
Upper Boundary:
 | 
DER lower--middle R2, 314.8 million years
 
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