Rhizopoda Dujardin, 1835 - rhizopods see Phylum Cercozoa Cavalier-Smith, 1998
   Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
     Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
       Order Euamoebida Lepşi, 1960
         Family Amoebidae Ehrenberg, 1838
           1 Genus [Amoeba] Bory de St. Vincent, 1822
           2 Genus [Chaos] Linnaeus, 1767
           3 Genus [Polychaos] Schaeffer, 1926
           4 Genus [Deuteramoeba] Page, 1986
           5 Genus [Trichamoeba] Fromentel, 1874
           6 Genus [Parachaos] Willumsen et al., 1987 [monotypic]
           7 Genus [Hydramoeba] Reynolds & Looper, 1928 [monotypic]