| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Pericycloidea 
 | 
| 
Family:
 | 
Pericyclidae 
 | 
| 
Subfamily:
 | 
Pericyclinae 
 | 
| 
Genus:
 | 
Eurycyclus | 
| 
Qualifier:
 | 
gy | 
| 
Author:
 | 
	Schindewolf 1951,p.86	 
 | 
| 
Valid:
 | 
Ammonellipsites Parkinson 1822    [TAX3028 ] | 
| 
Lower Boundary:
 | 
DER Erdbacher Kalk base [05,40], 349.5 million years
 
 | 
| 
Upper Boundary:
 | 
DER Erdbacher Kalk top [08,90], 345.3 million years
 
 |