Kingdom Animalia Linnaeus, 1758 - animals
Phylum Nematoda Gegenbaur, 1859 - round worms
Class Dorylaimea Hodda, 2007
Subclass Trichocephalia Hodda, 2007 [monotypic]
Superorder Trichocephalica Hodda, 2007
Order Muspiceida Bain & Chabaud, 1959 [monotypic]
Suborder Muspiceina Bain & Chabaud, 1968 [monotypic]
Superfamily Muspiceioidea Hodda, 2011, nom. null.
see Superfamily Muspiceoidea Brumpt, 1930
Family Robertdollfusiidae De Ley & Blaxter, 2002
see Family Robertdollfusidae Chabaud & Campana, 1950