Phylum Porifera Grant, 1836 - sponges Class Calcarea Bowerbank, 1864 - calcareous sponges Subclass Calcaronea Bidder, 1898 Order Lithonida Döderlein, 1892 Family Lepidoleuconiidae Finks & Rigby, 2004 see Family Lepidoleuconidae Vacelet, 1967