Subclass Acari Leach, 1817 - mites and ticks Superorder Acariformes Zakhvatkin, 1952 - mitelike mites Order Sarcoptiformes Reuter, 1909 Suborder Endeostigmata Grandjean, 1937 Cohort Terpnacarina see Infraorder Terpnacarida OConnor, 1984 1 Superfamily Oehserchestoidea Kethley, 1977 2 Superfamily Terpnacaroidea Grandjean, 1939