Subclass Acari Leach, 1817 - mites and ticks
Superorder Acariformes Zakhvatkin, 1952 - mitelike mites
Order Trombidiformes Reuter, 1909
Suborder Prostigmata Kramer, 1877
Supercohort Eleutherengonides Oudemans, 1909
see Infraorder Eleutherengona Oudemans, 1909
Cohort Heterostigmatina Berlese, 1899
see Hyporder Heterostigmata Berlese, 1899
Superfamily Pygmephoroidea Cross, 1965
see Superfamily Scutacaroidea Oudemans, 1916