[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     Class Demospongiae Sollas, 1885 - demosponges
       Subclass Tetractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
         1 Order Astrophorida Sollas, 1888 see Suborder Astrophorina Sollas, 1888
         2 Order Lithistida Schmidt, 1870 - lithistids see Subclass Lithistida Schmidt, 1870
         3 Order Spirophorida Bergquist & Hogg, 1969 see Suborder Spirophorina
         4 Order Hadromerida Topsent, 1894
         5 Order Chondrosida Boury-Esnault & Lopès, 1985