[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.
       Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
         Porifera Grant, 1836 [paraphyletic?] - sponges see Phylum Porifera Grant, 1836
           Silicispongia Schmidt, 1862
             1 Hexactinellida Schmidt, 1870 see Class Hexactinellida Schmidt, 1870
             2 Demospongiae Sollas, 1885 [Borchiellini et al., 2004] see Class Demospongiae Sollas, 1885
             3 Homoscleromorpha Lévi 1973 [Borchiellini et al. 2004] see Class Homoscleromorpha Dendy, 1905