| 
Suborder:
 | 
Goniatitina 
 | 
| 
Superfamily:
 | 
Pericycloidea 
 | 
| 
Family:
 | 
Pericyclidae 
 | 
| 
Subfamily:
 | 
Pericyclinae 
 | 
| 
Genus:
 | 
Asiacyclus 
 | 
| 
Species:
 | 
leesoni | 
| 
Qualifier:
 | 
ss | 
| 
Author:
 | 
	Crick 1899,p.451	 
 | 
| 
Lower Boundary:
 | 
IRL Lower Limestone base, 350 million years
 
 | 
| 
Upper Boundary:
 | 
IRL Lower Limestone top, 345.3 million years
 
 |