[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
         Order Hadromerida Topsent, 1894
           Family Polymastiidae Gray, 1867
             01 Genus Polymastia Bowerbank, 1863
             02 Genus Quasillina Norman, 1869
             03 Genus Rhaphidorus Topsent, 1898 see Genus Spinularia Gray, 1867
             04 Genus Ridleia Dendy, 1888
             05 Genus Sphaerotylus Topsent, 1896
             06 Genus Spinularia Gray, 1867
             07 Genus Tentorium Vosmaer, 1885
             08 Genus Trichostemma Sars, 1869 see Genus Radiella Schmidt, 1870
             09 Genus Tylexocladus Topsent, 1898
             10 Genus Vosmaeria Fristedt, 1885
             11 Genus Weberella Vosmaer, 1885