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 Parasitiae Reuter, 1909 [monotypic] see Hyporder Parasitiae Evans & Till, 1979 1 Superfamily Parasitoidea Oudemans, 1901 [monotypic]