Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Clade scotokaryotes Cavalier-Smith 2000
                     Clade podiates Cavalier-Smith 2012
                       [crown] Clade Amorphea Adl et al. 2012
                         Phylum Amoebozoa Lühe, 1913 [coordinate rank]
                           Subphylum Lobosa Carpenter, 1861
                             Class Tubulinea Smirnov et al., 2005
                               Order Arcellinida Kent, 1880 - shelled lobosid amebas
                                 Suborder Difflugiina R. Meisterfeld, 2002
                                   01 Family Difflugiidaeᵀ Wallich, 1864
                                   02 Family Centropyxidae Jung, 1942
                                   03 Family Trigonopyxidae Loeblich & Tappan, 1964
                                   04 Family Lamtopyxidae Bonnet, 1974 [monotypic]
                                   05 Family Distomatopyxidae Bonnet, 1970 [monotypic]
                                   06 Family Plagiopyxidae Bonnet & Thomas, 1960
                                   07 Family Paraquadrulidae Deflandre, 1953
                                   08 Family Lesquereusiidae Jung, 1942
                                   09 Family Hyalospheniidae Schultze, 1877
                                   10 Family Heleoperidae Jung, 1942
                                   11 Family Nebelidae Taranek, 1882