Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Dorylaimea Hodda, 2007 Subclass Trichocephalia Hodda, 2007 [monotypic] Superorder Trichocephalica Hodda, 2007 Order Muspiceida Bain & Chabaud, 1959 [monotypic] 1 Suborder Muspiceina Bain & Chabaud, 1968 [monotypic]