[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     Class Calcarea Bowerbank, 1864 - calcareous sponges
       Subclass Calcaronea Bidder, 1898
         Order Leucosolenida Hartman, 1958
           Family Sycettidae Dendy, 1893
             1 Genus Grantessa Lendenfeld, 1885
             2 Genus Sycandra Haeckel, 1872
             3 Genus Sycetta Haeckel, 1872
             4 Genus Sycodorus Haeckel, 1872
             5 Genus Sycon Risso, 1826
             6 Genus Vosmaeropsis Dendy, 1893