[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Porifera Grant, 1836 - sponges
     Class Demospongiae Sollas, 1885 - demosponges
       Subclass Tetractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
         Order Astrophorida Sollas, 1888 see Suborder Astrophorina Sollas, 1888
           Family Geodiidae Gray, 1867
             Genus Isops Sollas, 1880 see Genus Geodia Lamarck, 1815