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 Trochometridioidea Mahunka, 1970