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Suborder:
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Goniatitina 
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| 
Superfamily:
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Neoicoceratoidea 
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| 
Family:
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Metalegoceratidae 
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| 
Subfamily:
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Metalegoceratinae 
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| 
Genus:
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Metalegoceras | 
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Qualifier:
 | 
ge | 
| 
Author:
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	Schindewolf 1931,p.199	 
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| 
Lower Boundary:
 | 
Asselian--Sakmarian           [ASS--SAK], 294.6 million years
 
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| 
Upper Boundary:
 | 
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
 
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