Phylum Porifera Grant, 1836 - sponges
Class Demospongiae Sollas, 1885 - demosponges
Order Hadromerida Topsent, 1894
01 Family Clionaidae d'Orbigny, 1851
02 Family Hemiasterellidae Lendenfeld, 1889
03 Family Placospongiidae Gray, 1867
04 Family Polymastiidae Gray, 1867
05 Family Spirastrellidae Ridley & Dendy, 1886
06 Family Stylocordylidae Topsent, 1928
07 Family Suberitidae Schmidt, 1870
08 Family Tethyidae Gray, 1867
09 Family Timeidae Topsent, 1928
10 Family Trachycladidae Hallmann, 1917
11 Family Acanthochaetetidae Fischer, 1970
12 Family Sollasellidae Lendenfeld, 1887
see Family Raspailiidae Hentschel, 1923
13 Family Alectonidae Rosell, 1996
see Family Thoosidae Cockerell, 1925