Phylum Porifera Grant, 1836 - sponges
   Class Demospongiae Sollas, 1885 - demosponges
     Order †Permosphincta Termier & Termier, 1974
       Suborder †Porata Seilacher, 1962
         Family †Sebargasiidae de Laubenfels, 1955 (1882)
           01 Genus †Amblysiphonella Steinmann, 1882
           02 Genus †Amblysiphonelloides Rigby & Potter, 1986
           03 Genus †Crymocoelia Belyaeva, 1991
           04 Genus †Cystothalamia Girty, 1908
           05 Genus †Diecithalamia Senowbari-Daryan, 1990
           06 Genus †Discosiphonella Inai, 1936
           07 Genus †Minisiphonella Boiko, 1991
           08 Genus †Paramblysiphonella Deng, 1982
           09 Genus †Polycystocoelia Zhang, 1983
           10 Genus †Praethalamopora Russo, 1981
           11 Genus †Pseudoamblysiphonella Senowbari-Daryan & Rigby, 1988
           12 Genus †Vesicotubularia Belyaeva, 1991