Phylum Porifera Grant, 1836 - sponges
   Class Calcarea Bowerbank, 1864 - calcareous sponges
     Subclass Calcaronea Bidder, 1898
       Order Stellispongiida Finks & Rigby, 2004
         1 Family †Stellispongiidae de Laubenfels, 1955
         2 Family †Endostomatidae Finks & Rigby, 2004
         3 Family Lelapiidae Dendy & Row, 1913