[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     Class Hexactinellida Schmidt, 1870 - hexactinellids
       Subclass Hexasterophora Schulze, 1886
         Order Lyssacinosa Zittel, 1877 see Order Lyssacinosida Zittel, 1877
           Family Rossellidae Schulze, 1885
             01 Genus Anoxycalyx Kirkpatrick, 1907
             02 Genus Asconema Kent, 1870
             03 Genus Bathydorus Schulze, 1886
             04 Genus Doconesthes Topsent, 1928
             05 Genus Lanuginella Schmidt, 1870
             06 Genus Mellonympha Schulze, 1897
             07 Genus Rossella Carter, 1872
             08 Genus Schaudinnia Schulze, 1900
             09 Genus Scyphidium Schulze, 1900
             10 Genus Trichasterina Schulze, 1900