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 |
| order | Trypanosomatida (Kent, 1880) Hollande, 1952 |
| family | Trypanosomatidae Doflein, 1901 |
| genus | Herpetomonas Kent, 1880 |
| species | Herpetomonas muscarum (Leidy ) Kent, 1881 |