organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     related to multicellular groups
       Phylum Microsporida Balbiani, 1882 see Phylum Microsporidia Balbiani, 1882
         Genus Ichthyosporidium Caullery & Mesnil, 1905
           Ichthyosporidium giganteumᵀ (Thélohan, 1895)