Genus
Microcyclus Meek et Worthen, 1868
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Rugosa | 
| Order | Stauriida | 
| Suborder | Metriophyllina | 
| Family | Hadrophyllidae | 
| Genus | Microcyclus | 
 See also 
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Rugosa | 
| Order | Stauriida | 
| Suborder | Metriophyllina | 
| Family | Hadrophyllidae | 
| Genus | Microcyclus |