Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Enoplea Inglis, 1983 Subclass Triplonchia Hodda, 2007 [monotypic] Superorder Triplonchica Hodda, 2007 Order Tripylida Siddiqi, 1983 1 Suborder Tripylina Andrassy, 1974 2 Suborder Prismatolaimina Hodda, 2011