Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Vaceletida Finks & Rigby, 2004
         Family Verticillitidae Steinmann, 1882
           Subfamily †Polytholosiinae Seilacher, 1962
             1 ?Genus †Polytholosia Rauff, 1938
             2 Genus †Ascosymplegma Rauff, 1938
             3 Genus †Nevadathalamia Senowbari-Daryan, 1990
             4 ?Genus †Tetraproctosia Rauff, 1938