| 
Suborder:
 | 
Tornoceratina 
 | 
| 
Superfamily:
 | 
Prionoceratoidea 
 | 
| 
Family:
 | 
Prionoceratidae 
 | 
| 
Subfamily:
 | 
Prionoceratinae 
 | 
| 
Genus:
 | 
Rectimitoceras 
 | 
| 
Species:
 | 
subsulcatus | 
| 
Qualifier:
 | 
sy | 
| 
Author:
 | 
	Münster 1832,p.23	 
 | 
| 
Valid:
 | 
Rectimitoceras lineare (Münster 1832) | 
| 
Lower Boundary:
 | 
UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
 
 | 
| 
Upper Boundary:
 | 
UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
 
 |