Phylum Porifera Grant, 1836 - sponges Class Demospongiae Sollas, 1885 - demosponges Order Astrophorida Sollas, 1888 see Suborder Astrophorina Sollas, 1888 1 Family Ancorinidae Schmidt, 1870 2 Family Calthropellidae Lendenfeld, 1906 3 Family Geodiidae Gray, 1867 4 Family Pachastrellidae Carter, 1875 5 Family Thrombidae Sollas, 1887