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 Clavaxinellida Lévi, 1956
    Count: [f†g] 2o;6f; †12f;54g [22 Jun 2018]
       Order Protomonaxonida Finks & Rigby, 2004
      Count: [f†g] 2f; †12f;39g [22 Jun 2018]
         Family †Piraniidae de Laubenfels, 1955
        Count: [†g] †2g
           Genus †Pirania Walcott, 1920
          Count: -