Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Phylum Porifera Grant, 1836 [coordinate rank] - sponges
                                   Silicispongia Schmidt, 1862
                                     Class Hexactinellida Schmidt, 1870 - hexactinellids
                                       Subclass Amphidiscophora Schulze, 1886
                                         Order Amphidiscosida Schrammen, 1924
                                           Family †Pelicaspongiidae Rigby, 1970
                                             01 ?Genus †Hexirregularia Rigby, Bell & Thompson, 2007
                                             02 Genus †Larispongia Carrera, 1998
                                             03 Genus †Liscombispongia Rigby & Webby, 1988
                                             04 Genus †Wongaspongia Rigby & Webby, 1988
                                             05 Genus †Vaurealispongia Rigby, 1974
                                             06 Genus †Twenhofelella Rigby, 1974
                                             07 Genus †Asturiaspongia Garcia-Bellido & Rigby, 2004
                                             08 Genus †Bayviewia Reimann, 1945
                                             09 Genus †Calicispongia Reimann, 1945
                                             10 Genus †Cavospongiella Rigby, 1986
                                             11 Genus †Galeospongia Rigby, 1986
                                             12 Genus †Lysactinella Girty, 1895
                                             13 Genus †Pelicaspongiaᵀ Rigby, 1970
                                             14 Genus †Polylophalis Reimann, 1945
                                             15 Genus †Pseudohydnoceras Reimann, 1934
                                             16 Genus †Stiodermiella Rigby, 1995
                                             17 Genus †Arakespongia Rigby, Chamberlain & Black, 1970
                                             18 Genus †Ascospongiella García-Bellido Capdevila & Rigby, 2004
                                             19 Genus †Estrellaspongia García-Bellido Capdevila & Rigby, 2004
                                             20 Genus †Hadrophragmos García-Bellido Capdevila & Rigby, 2004
                                             21 Genus †Prenehydnoceras Hurcewicz & Czarniecki, 1986
                                             22 Genus †Spiractinella Hinde, 1887
                                             23 Genus †Keriogastrospongia Wu, 1989
                                             24 Genus †Lecanocoelospongia Wu, 1989
                                             25 Genus †Trailospongia Rigby, Bell & Thompson, 2007