[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 Dendroceratida Minchin, 1900
           Family Darwinellidae Merejkowsky, 1879
             1 Genus Aplysilla Schulze, 1878
             2 Genus Chelonaplysilla de Laubenfels, 1948
             3 Genus Darwinella Müller, 1865
             4 Genus Dendrilla Lendenfeld, 1883
             5 Genus Hexadella Topsent, 1896
             6 Genus Pleraplysilla Topsent, 1905
             7 Genus Psammopemma Marshall, 1880 see Genus Psammoclema Marshall, 1880