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
     Kingdom Animalia Linnaeus, 1758 - animals
       Grade Parazoa (Sollas, 1884) see Phylum Porifera Grant, 1836
         Phylum Porifera Grant, 1836 - sponges
           Class Hexactinellida Schmidt, 1870 - hexactinellids