Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Porifera Grant, 1836 - sponges
     Class Calcarea Bowerbank, 1864 - calcareous sponges
       Subclass Calcaronea Bidder, 1898
         Order Leucosolenida Hartman, 1958
           1 Family Leucosoleniidae Minchin, 1898
           2 Family Amphoriscidae Dendy, 1893
           3 Family Grantiidae Dendy, 1893
           4 Family Heteropiidae Dendy, 1893
           5 Family Lelapiidae Dendy & Row, 1913
           6 Family Sycettidae Dendy, 1893
           7 Family Jenkinidae Borojevic, Boury-Esnault & Vacelet, 2000
           8 Family Achramorphidae Borojevic, Boury-Esnault, Manuel & Vacelet, 2002
           9 Family Sycanthidae Lendenfeld, 1891