[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 Myxillina Hajdu, van Soest & Hooper, 1994
             Family Myxillidae Lundbeck, 1905
               1 Genus Hymenancora Lundbeck, 1910
               2 Genus Melonanchora Carter, 1874
               3 Genus Myxilla Schmidt, 1862
               4 Genus Paramyxilla Dendy, 1905 see Subgenus Waldoschmittia de Laubenfels, 1936
               5 Genus Plocamiancora Topsent, 1927
               6 Genus Styloptilon Cabioch, 1968 see Subgenus Styloptilon Cabioch, 1968