Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Chromadorea Inglis, 1983 Subclass Chromadoria Adamson, 1987 [monotypic] Superorder Chromadorica Hodda, 2007 Order Chromadorida Chitwood, 1933 [monotypic] 1 Suborder Chromadorina Filipjev, 1929 [monotypic]