[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Parazoa (Sollas, 1884) see Phylum Porifera Grant, 1836
       Phylum Porifera Grant, 1836 - sponges
         Class Hexactinellida Schmidt, 1870 - hexactinellids
           Order Hexasterophora Schulze, 1887 see Subclass Hexasterophora Schulze, 1886
             Genus Euplectella Owen, 1841