Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Clavaxinellida Lévi, 1956
       Order Clavulina Vosmaer, 1887
         Family Suberitidae Schmidt, 1870
           Genus †Calcisuberites Reitner & Schlagintweit, 1990