Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Haplosclerida Topsent, 1928
         Family Spongillidae Gray, 1867
           Genus †Lutetia Finks & Rigby, 2004, orth. inval. see Genus Lutetiospongilla Richter & Wuttke, 1999