Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order †Agelasida Hartman, 1980
         Family †Stellispongiellidae Wu, 1991
           1 Subfamily †Stellispongiellinae Wu, 1991 [monotypic]
           2 Subfamily †Prestellispongiinae Rigby & Senowbari-Daryan, 1996 [monotypic]
           3 Subfamily †Estrellospongiinae Rigby & Senowbari-Daryan, 1996 [monotypic]