Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| kingdom | Chromalveolata Adl et al., 2005 |
| superphylum | Alveolata Cavalier-Smith, 1991 - alveolate |
| phylum | Apicomplexa Levine, 1970 |
| class | Conoidasida Levine, 1988 |
| subclass | Gregarinasina Dufour,1828 - gregarines |
| order | Eugregarinorida Léger,1900 |
| suborder | Aseptatorina Chakravarty,1960 |
| family | Monocystidae Bütschli,1882 |
| subfamily | Monocystinae (Bütschli,1882) Bhatia,1930 |
| genus | Monocystis von Stein,1848 |
| species | Monocystis banyulensis |