| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Gastrioceratoidea 
 | 
| 
Family:
 | 
Reticuloceratidae 
 | 
| 
Subfamily:
 | 
Reticuloceratinae 
 | 
| 
Genus:
 | 
Agastrioceras 
 | 
| 
Species:
 | 
latestriatum | 
| 
Qualifier:
 | 
sy | 
| 
Author:
 | 
	Patteisky 1965,p.15	 
 | 
| 
Valid:
 | 
Agastrioceras subcrenatum (Frech 1899) | 
| 
Lower Boundary:
 | 
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
 
 | 
| 
Upper Boundary:
 | 
DER Westphal.A1--Westphal.A2 [MEL--VRK], 311.5 million years
 
 |