organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain eukaryotes see Domain Eukaryota Chatton, 1925 amoeboid protists Phylum Heliozoa Haeckel, 1866 see Subphylum Heliozoa Haeckel (1866) "centrohelids" see Order Centrohelida Kühn, 1926