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 †Pharetrospongiidae de Laubenfels, 1955
           Subfamily †Pharetrospongiinae de Laubenfels, 1955
             Genus †Euepirrhysia Dieci, Antonacci & Zardini, 1970