[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Parazoa (Sollas, 1884) see Phylum Porifera Grant, 1836
       Phylum Porifera Grant, 1836 - sponges
         1 Class Calcarea Bowerbank, 1864 - calcareous sponges
         2 Class Hexactinellida Schmidt, 1870 - hexactinellids
         3 Class Demospongiae Sollas, 1885 - demosponges
         4 Class Sclerospongiae Hartman & Goreau, 1970 see Class Demospongiae Sollas, 1885