Phylum Porifera Grant, 1836 - sponges
Count: -
   Class Demospongiae Sollas, 1885 - demosponges
  Count: [o] 15o;86f;1g; †1c
     Order †Permosphincta Termier & Termier, 1974
    Count: [†f] †29f [13 Jun 2018]
       Suborder †Aporata Seilacher, 1962
      Count: [†f] †10f [13 Jun 2018]
         01 Family †Amphorithalamiidae Senowbari-Daryan & Rigby, 1988
        Count: -
         02 Family †Aphrosalpingiidae Senowbari-Daryan & García-Bellido, 2002 see Family Aphrosalpingidae Myagkova, 1955
        Count: -
         03 Family †Celyphiidae de Laubenfels, 1955
        Count: -
         04 Family †Cliefdenelliidae Senowbari-Daryan & García-Bellido, 2002 see Family Cliefdenellidae Webby, 1969
        Count: -
         05 Family †Fistulispongiidae Termier & Termier, 1977
        Count: -
         06 Family †Glomocystospongiidae Rigby, Fan & Zhang, 1989
        Count: -
         07 Family †Olangocoeliidae Bechstädt & Brandner, 1970
        Count: -
         08 Family †Pisothalamiidae Senowbari-Daryan & Rigby, 1988 see Family Celyphiidae de Laubenfels, 1955
        Count: -
         09 Family †Polyedridae Termier & Termier, 1977
        Count: -
         10 Family †Thaumastocoeliidae Ott, 1967
        Count: -
         11 Genus †Pseudoporefieldia Rigby, Potter & Blodgett, 1988, incertae sedis
        Count: -
         12 Genus †Pseudouvanella Senowbari-Daryan, 1994, incertae sedis
        Count: -