Rhizopoda Dujardin, 1835 - rhizopods see Phylum Cercozoa Cavalier-Smith, 1998
Count: 1c;3o;13f;48g;207s;2ss
   Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
  Count: 3o;12f;43g;185s;2ss
     Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
    Count: [*] 3o;12f;43g;185s;2ss
       Order Acanthopodida Page, 1976 [monotypic] see Order Centramoebida Rogerson & Patterson, 2002
      Count: [*] 1f;2g;24s
         Family Acanthamoebidae Sawyer & Griffin, 1975
        Count: [*] 2g;24s
           Genus Protacanthamoeba F.C. Page, 1981
          Count: [*] 2s
             Protacanthamoeba invadens (Singh & Hanumaiah, 1979)
            Count: -