| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Neoicoceratoidea 
 | 
| 
Family:
 | 
Metalegoceratidae 
 | 
| 
Subfamily:
 | 
Metalegoceratinae 
 | 
| 
Genus:
 | 
Dodecalegoceras | 
| 
Qualifier:
 | 
gy | 
| 
Author:
 | 
	Voinova 1934,p.34	 
 | 
| 
Valid:
 | 
Metalegoceras Schindewolf 1931 | 
| 
Lower Boundary:
 | 
Asselian--Sakmarian           [ASS--SAK], 294.6 million years
 
 | 
| 
Upper Boundary:
 | 
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
 
 |