Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       Subclass Longamoebia Cavalier-Smith & Smirnov, 2011
         Order Dermamoebida Cavalier-Smith, 2004
           Family Mayorellidae Schaeffer, 1926 [monotypic]
             Genus Mayorella Schaeffer, 1926
               1 Mayorella gemmifera Schaeffer, 1926
               2 [Mayorella vespertilioides] Page, 1983
               3 Mayorella cantabrigiensis Page, 1972