Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Cabozoa | |
| kingdom | Excavata Cavalier-Smith, 2002 |
| superphylum | Discicristata Cavalier-Smith, 1993 |
| phylum | Euglenozoa Cavalier-Smith, 1981 |
| subphylum | Saccostoma Cavalier-Smith, 1998 |
| class | Kinetoplastea (Honigberg, 1963) Margulis, 1974 |
| subclass | Metakinetoplastina Vickerman in Moreira, López-García & Vickerman 2004 |
| order | Bodonida Hollande, 1952 |
| family | Bodonidae Bütschli, 1887 |
| genus | Cryptobia Leidy, 1846 |
| species | Cryptobia helicis Leidy, 1846 |