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 Choristida Sollas, 1880 see Order Tetractinellida Marshall, 1876
    Count: [f†f] 4o;7f; †6f;33g [16 Jul 2018]
       Order Craniellida Reid, 1968 [monotypic] see Suborder Spirophorina
      Count: [f†g] 1f; †2g [16 Jul 2018]
         Family Tetillidae Sollas, 1886
        Count: [†g] †2g
           1 ?Genus †Tetillopsis Schrammen, 1910
          Count: -
           2 Genus †Craniella Schmidt, 1870
          Count: -