Phylum Amoebozoa Lühe, 1913
   Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
     Class Discosea Cavalier-Smith, 2004
       Subclass Flabellinia Smirnov et al., 2005
         Order Vannellida Smirnov et al., 2005 [monotypic]
           Family Vannellidae Bovee, 1970
             Genus Ripella Smirnov, Nassonova, Chao & Cavalier-Smith, 2007