organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     amoeboid protists
       Gymnamoebae - naked ramicristate amoebae
         Order Euamoebida Lepşi, 1960
           Family Vannellidae Bovee, 1970
             1 Genus Discamoeba Jahn, Bovee & Griffith, 1979
             2 Genus Vannella Bovee, 1965
             3 Genus Platyamoeba F.C. Page, 1969 see Genus Vannella Bovee, 1965
             4 Genus Clydonella Sawyer, 1975, nom. inq.
             5 Genus Unda Schaeffer, 1926
             6 Genus Pessonella M. Pussard, 1973, nom. inq.