[Phylum] Cercozoa Cavalier-Smith, 1998
   Subphylum Endomyxa T. Cavalier-Smith, 2002
     [Order] Aconchulinida de Saedeleer, 1934
       [Family] vampyrellids Zopf, 1885
         1.1 Genus Platyreta D. Bass et al., 2009
         1.2 Genus Arachnula Cienkowsky, 1876