organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Rhizopoda Dujardin, 1835 - rhizopods see Phylum Cercozoa Cavalier-Smith, 1998
       Genus Arcella Ehrenberg, 1830
       Genus Centropyxis Stein, 1857
       Genus Chlorarachnion Geitler, 1930
       Genus Chrysarachnion Pascher (1916)
       Genus Difflugia Leclerc, 1815
       Genus Halodiscus
       Genus Hartmannella Alexeieff, 1912
       Genus Thecamoeba Fromentel, 1874
       Genus Xenophyophora
       1 Class Tubulina see Suborder Tubulina
       2 Class Thecina see Suborder Thecina
       3 Class Flabellina Page, 1976 see Suborder Flabellina Page, 1976
       4 Class Conopodina Bovee & Jahn, 1966 see Suborder Conopodina Bovee & Jahn, 1966
       5 Class Acanthopodina see Suborder Acanthopodina