Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Dorylaimea Hodda, 2007 Subclass Dorylaimia Inglis, 1983 [monotypic] Superorder Dorylaimica Hodda, 2007 [monotypic] Order Dorylaimida Pearse, 1942 Suborder Dorylaimina Chitwood, 1933 Superfamily Tylencholaimoidea Filipjev, 1934 Family Mydonomidae Thorne, 1964