Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Poecilosclerida Topsent, 1928
         Family Tedaniidae Ridley & Dendy, 1886
           1 Genus †Forcepia Carter, 1874
           2 Genus †Acarnus Gray, 1867
           3 Genus †Melonanchora Carter, 1874
           4 Genus †Tedania Gray, 1867