| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Dimorphoceratoidea 
 | 
| 
Family:
 | 
Girtyoceratidae 
 | 
| 
Subfamily:
 | 
Girtyoceratinae 
 | 
| 
Genus:
 | 
Edmooroceras 
 | 
| 
Species:
 | 
stubblefieldi | 
| 
Qualifier:
 | 
sy | 
| 
Author:
 | 
	Moore 1946,p.420	 
 | 
| 
Valid:
 | 
Edmooroceras wedekindi (Brüning 1923) | 
| 
Lower Boundary:
 | 
DER chalic.--up.Go gamma2,Emstit.novalis, 327.2 million years
 
 | 
| 
Upper Boundary:
 | 
DER lowest E1--E1 alpha, 326 million years
 
 |