Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861 Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae Order Acanthopodida Page, 1976 see Order Centramoebida Rogerson & Patterson, 2002 Family Acanthamoebidae Sawyer & Griffin, 1975 Genus Acanthamoeba Volkonsky, 1931