[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 Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
         Order Poecilosclerida Topsent, 1928
           Suborder Mycalina Hajdu, van Soest & Hooper, 1994
             Family Desmacellidae Ridley & Dendy, 1886
               1 Genus Biemna Gray, 1867
               2 Genus Desmacella Schmidt, 1870
               3 Genus Dragmatella Hallmann, 1916