[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 Halichondrida Vosmaer, 1887
           Family Bubaridae Topsent, 1894
             1 Genus Bubaris Gray, 1867
             2 Genus Cerbaris Topsent, 1898
             3 Genus Hymerhabdia Topsent, 1892
             4 Genus Monocrepidium Topsent, 1898
             5 Genus Rhabdobaris Pulitzer-Finali, 1983
             6 Genus Skeizia Cabioch, 1968 see Genus Monocrepidium Topsent, 1898