Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Chromadorea Inglis, 1983 Subclass Plectia Hodda, 2007 Superorder Teratocephalica Hodda, 2007 [monotypic] Order Teratocephalida Goodey, 1963 [monotypic] Suborder Teratocephalina Andrassy, 1974 [monotypic] Superfamily Teratocephaloidea Andrassy, 1958 [monotypic] 1 Family Teratocephalidae Andrassy, 1958