| 
Suborder:
 | 
Anarcestina 
 | 
| 
Superfamily:
 | 
Triainoceratoidea 
 | 
| 
Family:
 | 
Pharciceratidae 
 | 
| 
Genus:
 | 
Stenopharciceras 
 | 
| 
Species:
 | 
tafilense | 
| 
Qualifier:
 | 
sy | 
| 
Author:
 | 
	Termier & Termier 1950,pl.151	 
 | 
| 
Valid:
 | 
Synpharciceras clavilobum (Sandb. & S.) | 
| 
Lower Boundary:
 | 
mid.--up.varcus Zone             [17,00], 389 million years
 
 | 
| 
Upper Boundary:
 | 
Givetian--Frasnian            [GIV--FRS], 385.3 million years
 
 |