Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass †Lithistida Schmidt, 1870
       Order Monalithistida Lagneau-Hérenger, 1955
         Suborder Sphaerocladina Schrammen, 1910
           Family Vetulinidae Lendenfeld, 1903
             Subfamily Vetulininae Lendenfeld, 1903
               1 Genus †Jumarella Mehl & Fursich, 1997
               2 Genus †Mastosia Zittel, 1878
               3 Genus †Rhytidoderma Schrammen, 1936
               4 Genus †Cladodia Moret, 1926
               5 Genus †Cryptodesma Schrammen, 1924
               6 Genus †Exodictydia Moret, 1926
               7 Genus †Multipocula de Laubenfels, 1955
               8 Genus †Tetraspongia Termier & Termier, 1989
               9 Genus †Vetulina Schmidt, 1879