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 †Aphrosalpingidae Myagkova, 1955
           1 Subfamily †Fistulospongininae Termier & Termier, 1977
           2 Subfamily †Vesicocauliinae Senowbari-Daryan, 1990
           3 Subfamily †Palaeoschadinae Myagkova, 1955 [monotypic]