Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
   Phylum Actinopoda Calkins, 1902
     Class Heliozoa
       1 Order Actinophryida Hartmann, 1913
       2 Order Desmothoracida Hertwig & Lesser, 1874
       3 Order Ciliophryida Febvre-Chevalier, 1985, orth. zool. see Order Pedinellales Zimmermann et al. (1984)
       4 Order Taxopodida Fol, 1883
       5 Order Centrohelida Kühn, 1926