| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Gastrioceratoidea 
 | 
| 
Family:
 | 
Reticuloceratidae 
 | 
| 
Subfamily:
 | 
Reticuloceratinae 
 | 
| 
Genus:
 | 
Tectiretites 
 | 
| 
Species:
 | 
contortus | 
| 
Qualifier:
 | 
ss | 
| 
Author:
 | 
	Nikolaeva 1994,p.110	 
 | 
| 
Lower Boundary:
 | 
RUS Nm2a2--Nm2b1,Reticuloc.-Bashkortoc.G, 317.2 million years
 
 | 
| 
Upper Boundary:
 | 
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
 
 |