living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans see Class Echiura
           Order Echiuroinea
             Family Echiuridae
               Genus Ochetostoma Rüppell & Leuckart, 1830 or 1831
                 Ochetostoma australiense Edmonds, 1960