Kingdom Animalia Linnaeus, 1758 - animals
Phylum Nematoda Gegenbaur, 1859 - round worms
Class Enoplea Inglis, 1983
Subclass Enoplia Pearse, 1942
Superorder Enoplica Hodda, 2007
Order Ironida Hodda, 2007
Suborder Rhabdolaimina Hodda, 2011 [monotypic]
Superfamily Rhabdolaimoidea Chitwood, 1951
1 Family Andrassyidae Tchesunov & Gagarin, 1999
2 Family Rhabdolaimidae Chitwood, 1951