organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Actinopoda Calkins, 1902
       Class Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
         1 Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
         2 Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847