Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| kingdom | Amoebozoa Lühe, 1913 emend. Cavalier-Smith, 1998 |
| phylum | Archamoebae |
| class | Entamoebea T. Cavalier-Smith, 1991 |
| family | Entamoebidae Chatton, 1925 |
| genus | Entamoeba Casagrandi & Barbagallo, 1895 |
| species | Entamoeba muris Grassi , 1882 |