[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     1 Class Demospongiae Sollas, 1885 - demosponges
     2 Class Calcarea Bowerbank, 1864 - calcareous sponges
     3 Class Hexactinellida Schmidt, 1870 - hexactinellids