Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Clavaxinellida Lévi, 1956
       Order Clavulina Vosmaer, 1887
         Family Adociidae de Laubenfels, 1936 see Family Chalinidae Gray, 1867
           1 Genus †Aka de Laubenfels, 1936, nom. illeg. see Genus Siphonodictyon Bergquist, 1965