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
         Pseudocoelomata see [unranked] Pseudocoelomates Hyman, 1951
           Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs
             Genus Campyloderes Zelinka, 1907
             Genus Caterla see Genus Cateria Gerlach, 1956
             Genus Centroderes Zelinka, 1907
             Genus Echinoderes Claparède, 1863
             Genus Pycnophyes Zelinka, 1907
             Genus Semnoderes Zelinka, 1907
             Genus Trachydemus Zelinka, 1907 see Genus Kinorhynchus Sheremetevskij, 1974