Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass †Lithistida Schmidt, 1870
       Order †Orchocladina Rauff, 1895
         Family †Anthaspidellidae Miller, 1889
           01 Genus †Capsospongia Rigby, 1986
           02 Genus †Fieldospongia Rigby, 1986
           03 Genus †Rankenella Kruse, 1983
           04 Genus †Amplaspongia Rigby & Webby, 1988
           05 Genus †Annulospongia Liu, Rigby & Zhu, 2003
           06 Genus †Colinispongia Johns, 1994
           08 Genus †Egania Johns, 1994
           09 Genus †Exochopora Raymond & Okulitch, 1940
           10 Genus †Fibrocoelia van Kempen, 1978
           11 Genus †Gleesonia Rigby & Webby, 1988
           12 Genus †Incrassospongia Rigby, 1977
           13 Genus †Jianghania Liu, Rigby, Jiang & Zhu, 1997
           14 Genus †Malongullospongia Rigby & Webby, 1988
           15 Genus †Nevadocoelia Bassler, 1927
           16 Genus †Okulitchina Wilson, 1948
           17 Genus †Protachilleum Zittel, 1878
           18 Genus †Pseudopalmatohindia Rigby & Webby, 1988
           19 Genus †Rhopalocoelia Raymond & Okulitch, 1940
           20 Genus †Rugocoelia Johns, 1994
           21 Genus †Schismospongia Rhebergen & von Hacht, 2000
           22 Genus †Steliella Hinde, 1889
           23 Genus †Strotospongia Miller, 1889
           24 Genus †Talacastonia Beresi & Rigby, 1993
           26 Genus †Vandonia Rigby & Webby, 1988
           27 Genus †Vankempenia von Hacht, 1994
           28 Genus †Velellospongia Liu, Rigby, Jiang & Zhu, 1997
           29 Genus †Yarrowigahia Rigby & Webby, 1988
           30 Genus †Zittelella Ulrich & Everett, 1889
           31 Genus †Archaeoscyphia Hinde, 1889
           32 Genus †Calycocoelia Bassler, 1927
           33 Genus †Dunhillia Rigby & Webby, 1988
           34 Genus †Patellispongia Bassler, 1927
           35 Genus †Psarodictyum Raymond & Okulitch, 1940
           36 Genus †Anthaspidella Miller, 1889
           37 Genus †Aulocopina Billings, 1874
           38 Genus †Cauliculospongia Rigby & Chatterton, 1989
           39 Genus †Climacospongia Hinde, 1883
           40 Genus †Finksella Rigby & Dixon, 1979
           41 Genus †Rhodesispongia de Freitas, 1991
           42 Genus †Somersetella Rigby & Dixon, 1979
           43 Genus †Trochospongia Roemer, 1887
           44 Genus †Australospongia Howell, 1952
           45 Genus †Brianispongia Pickett & Rigby, 1983
           46 Genus †Canningella Rigby, 1986, nom. illeg.
           47 Genus †Cockbainia Rigby, 1986
           48 Genus †Fistulosospongia Rigby, 1986
           49 Genus †Isispongia Pickett, 1969
           50 Genus †Playfordiella Rigby, 1986
           51 Genus †Syringelasma Ulrich, 1890
           52 Genus †Jereina Finks, 1960
           53 Genus †Virgaspongia Rigby & Manger, 1994
           54 Genus †Phacellopegma Gerth, 1927