Phylum [Porifera] Grant, 1836 - sponges
   Class Demospongiae Sollas, 1885 - demosponges
     Subclass Heteroscleromorpha Cárdenas, Pérez & Boury-Esnault, 2012
       Order Poecilosclerida Topsent, 1928
         1 Suborder Mycalina Hajdu, van Soest & Hooper, 1994
         2 Suborder Myxillina Hajdu, van Soest & Hooper, 1994
         3 Suborder Microcionina Hajdu, van Soest & Hooper, 1994
         4 Suborder Latrunculina Kelly & Samaai, 2002