Kingdom Animalia Linnaeus, 1758 - animals
Phylum Nematoda Gegenbaur, 1859 - round worms
Class Chromadorea Inglis, 1983
Subclass Plectia Hodda, 2007
Superorder Rhabditica Hodda, 2007
Order Panagrolaimida Hodda, 2007
1 Suborder Aphelenchina Geraert, 1966
2 Suborder Cephalobina Andrassy, 1974 [monotypic]
3 Suborder Panagrolaimina Hodda, 2007
4 Suborder Tylenchina Chitwood, 1950