[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Phylum Porifera Grant, 1836 - sponges
  Count: 3c;18o;81f;308g
     Class Demospongiae Sollas, 1885 - demosponges
    Count: 13o;60f;246g
       Subclass Tetractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
      Count: 5o;22f;85g
         Order Hadromerida Topsent, 1894
        Count: 10f;43g
           Family Spirastrellidae Ridley & Dendy, 1886
          Count: 2g
             Genus Spirastrella Schmidt, 1868
            Count: -