Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Dorylaimea Hodda, 2007 Subclass Bathyodontia Hodda, 2007 [monotypic] Superorder Mononchica Hodda, 2007 1 Order Bathyodontida Siddiqi, 1983 [monotypic] 2 Order Mermithida Hyman, 1951 3 Order Mononchida Jairajpuri, 1969 [monotypic]