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
       Family Echinamoebidae Page, 1975, incertae sedis
         Genus [Echinamoeba] Page, 1975
           Echinamoeba exudans Page, 1975 see Echinamoeba exundans Page, 1975