Kingdom Animalia Linnaeus, 1758 - animals
Phylum Nematoda Gegenbaur, 1859 - round worms
Class Chromadorea Inglis, 1983
Subclass Plectia Hodda, 2007
Superorder Rhabditica Hodda, 2007
Order Spirurida Railliet, 1914
Suborder Spirurina Railliet & Henry, 1915
Superfamily Lucionematoidea Moravec, Molnar & Szekely, 1998 [monotypic]
Family Lucionematidae Moravec, Molnar & Szekely, 1998