organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Actinopoda Calkins, 1902
       Genus Acantharia Margulis & Schwartz, 1982, nom. nud. see Class Acantharia Haeckel, 1881
       Genus Acanthocystis Carter, 1863
       Genus Acanthometra Müller, 1855
       Genus Actinophrys Ehrenberg, 1832[1830]
       Genus Actinosphaera Hollande & Enjumet, 1960
       Genus Actinosphaerium Stein, 1857
       Genus Challengeron Murray, 1879
       Genus Ciliophrys L. Cienkowski (1875)
       Genus Collozoum Haeckel, 1862
       Genus Heterophrys Archer, 1869
       Genus Pipetta Haeckel, 1887
       Genus Thalassicola see Genus Thalassicolla Huxley, 1851
       Genus Zygacanthidium
       1 Class Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
       2 Class Phaeodaria Haeckel, 1879 see Subclass Phaeodaria Haeckel, 1879
       3 Class Acantharia Haeckel, 1881 see Class Acantharea Haeckel, 1881
       4 Class Heliozoa