organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Coelomata see [unranked] Coelomates Hyman, 1951
           Series Deuterostoma
             Phylum Chordata Bateson, 1885 - chordates
               Subphylum Tunicata Lamarck, 1816 - tunicates see Subphylum Urochordata Bateson, 1885
                 Class Ascidiacea Blainville, 1824 - sea squirts
                   Genus Halocynthia Verrill, 1879
                     Halocynthia pyriformis (Rathke, in Müller, 1806)