Protozoa Goldfuss, 1818 - protozoans
   Phylum Sarcomastigophora Honigberg & Balamuth, 1963
     Subphylum Sarcodina - amebas
       Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835
         Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
           Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
             Order Pelobiontida Page, 1976 see Order Rhizomastigida Doflein, 1916