| 
Suborder:
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Tornoceratina 
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| 
Superfamily:
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Praeglyphioceratoidea 
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| 
Family:
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Sporadoceratidae 
 | 
| 
Genus:
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Sedgwickoceras | 
| 
Qualifier:
 | 
gh | 
| 
Author:
 | 
	Bogoslovsky 1957,p.45	 
 | 
| 
Valid:
 | 
Maeneceras Hyatt,1884,p.321 | 
| 
Lower Boundary:
 | 
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
 
 | 
| 
Upper Boundary:
 | 
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
 
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