[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Supergroup Amoebozoa Lühe, 1913 see Phylum Amoebozoa Lühe, 1913
       Tubulinea Smirnov et al., 2005 see Class Tubulinea Smirnov et al., 2005
         Testacealobosia De Saedeleer, 1934 see Subclass Testacealobosia de Saedeleer, 1934
           Arcellinida Kent, 1880 see Order Arcellinida Kent, 1880
             1 Genus Arcella Ehrenberg, 1830
             2 Genus Centropyxis Stein, 1857
             3 Genus Difflugia Leclerc, 1815