Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
   1 Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
   2 ?Family Echinamoebida nom. null. see Family Echinamoebidae Page, 1975