[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Supergroup Opisthokonta Cavalier-Smith, 1987 - opisthokonts see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
       Mesomycetozoa Herr, Ajello, Taylor, Arseculeratne & Mendoza, 1999 [paraphyletic] see Subphylum Mesomycetozoa Herr, Ajello, Taylor, Arseculeratne & Mendoza, 1999
         Ichthyosporea Cavalier-Smith, 1998 see Class Ichthyosporea Cavalier-Smith, 1998
           Ichthyophonae Mendoza, Ajello & Taylor, 2001
             Sphaeroforma arctica J.-P. Jøstensen et al., 2002