Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Dorylaimea Hodda, 2007 1 Subclass Bathyodontia Hodda, 2007 [monotypic] 2 Subclass Dorylaimia Inglis, 1983 [monotypic] 3 Subclass Trichocephalia Hodda, 2007 [monotypic]