living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Parazoa (Sollas, 1884) see Phylum Porifera Grant, 1836
         Phylum Porifera Grant, 1836 - sponges
           Class Demospongiae Sollas, 1885 - demosponges
             Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
               Order Halichondrida Vosmaer, 1887
                 1 Family Halichondridae see Family Halichondriidae Gray, 1867
                 2 Family Hymeniacidonidae de Laubenfels, 1936 see Family Halichondriidae Gray, 1867