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 Paramoebidae Poche, 1913
         Genus Mayorella Schaeffer, 1926
           1 Mayorella viridis (Leidy, 1874)
           2 Mayorella augusta Schaeffer, 1926
           3 Mayorella bigemma (Schaeffer, 1918)
           4 Mayorella cantabrigiensis Page, 1972
           5 Mayorella penardi Page, 1972
           6 Mayorella vespertilioides Page, 1983