[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.
       Choanomonada Kent, 1880 see Phylum Choanoflagellata Kent, 1880
         Monosigidae Zhukov & Karpov, 1985 see Family Codonosigidae W.S. Kent, 1880-1882
           1 Genus Codonosiga Stein, 1878 see Genus Codosiga James-Clark, 1866
           2 Genus Monosiga Kent, 1880-1882
           3 Genus Sphaeroeca Lauterborn, 1894