Kingdom Animalia Linnaeus, 1758 - animals Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs Order Homalorhagida Zelinka, 1896 Genus Kinorhynchus Sheremetevskij, 1974 Genus Neocentrophyes Higgins, 1969 Genus Pycnophyes Zelinka, 1907