Arachnida Cuvier, 1812
Acaronychoidea Grandjean, 1932
Achipterioidea Thor, 1929
Aeroglyphidae
Amerobelboidea Grandjean, 1954
Ameronothroidea Willmann, 1931
Atopochthonioidea Grandjean, 1949
Brachychthonioidea Thor, 1934
Canestrinidae
Carabodoidea Koch, 1837
Carabodoidea
Cepheoidea Berlese, 1896
Cepheoidea
Ceratozetoidea Jacot, 1925
Charassobatoidea Grandjean, 1958
Chirodiscidae
Cosmochthonioidea Grandjean, 1947
Crotonioidea Thorell, 1876
Cymbaeremaeoidea Sellnick, 1928
Damaeoidea Berlese, 1896
Epilohamanniidae
Epilohmannioidea Oudemans, 1923
Eremaeoidea Oudemans, 1900
Eremelloidea Balogh, 1961
Eulohmannioidea Grandjean, 1931
Euphthiracaroidea Jacot, 1930
Freyanidae
Galumnoidea Jacot, 1925
Gustavioidea Oudemans, 1900
Gymnodamaeoidea Grandjean, 1954
Hermannielloidea Grandjean, 1934
Hermannioidea Sellnick, 1928
Hyadesidae
Hydrozetoidea Grandjean, 1954
Hypochthonioidea Berlese, 1910
Kemidokoptidae
Ldozetes
Licneremaeoidea Grandjean, 1931
Limnozetoidea Thor, 1937
Liodidae
Lohmannioidea Berlese, 1916
Mesoplophoroidea Ewing, 1917
Microzetoidea Grandjean, 1936
Nanhermanniidea
Nanhermannioidea Sellnick, 1928
Nehypochthonioidea Norton & Metz, 1980
Neoliodoidea Sellnick, 1928
Nothrolohmanniidae
Oppioidea Sellnick, 1937
Oribatelloidea Jacot, 1925
Oripodoidea Jacot, 1925
Otocepheoidea Balogh, 1961
Palaeacaroidea Grandjean, 1932
Parhypochthonioidea Grandjean, 1932
Perlohmannioidea Grandjean, 1954
Phenopelopoidea Petrunkevitch, 1955
Phthiracaroidea Perty, 1841
Plateremaeoidea Trägårdh, 1926
Polypterozetoidea Grandjean, 1959
Proctophyllodidae
Prothoplophoridae
Protoplophoroidea Ewing, 1917
Tcichcogalumna
Tectocepheoidea Grandjean, 1954
Trizetoidea Ewing, 1917
Unduloribatoidea Kunst, 1971
Zetomotrichoidea Grandjean, 1934
Zetorchestoidea Michael, 1898