Subclass Acari Leach, 1817 - mites and ticks Superorder Parasitiformes Reuter, 1909 - ticks and ticklike mites Order Mesostigmata Canestrini, 1891 Suborder Monogynaspida Camin & Gorirossi, 1955 Cohort Gamasina Kramer, 1881 see Infraorder Gamasina Kramer, 1881 Subcohort Epicriiae Vitzthum, 1938 see Hyporder Epicriiae Kramer, 1885 Superfamily Zerconoidea Canestrini, 1891