Phylum Porifera Grant, 1836 - sponges
Count: [o†f] 3c;29o;74f; †1c;9o;134f [17 Jul 2018]
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
  Count: [o†f] 18o;41f; †5o;82f;531g [17 Jul 2018]
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
    Count: [o†f] 7o;15f; †2o;35f;177g [16 Jul 2018]
       Order †Sigmatosclerophorida Burton, 1956 [monotypic]
      Count: [†g] †1f;4g [22 Jun 2018]
         Family †Dystactospongiidae Miller, 1889
        Count: [†g] †4g
           Genus †Streptospongia Ulrich, 1889
          Count: -