Hydrachnidia Krantz, 1978 - water mites Superfamily Arrenuroidea Thor, 1900 Family Mideopsidae Koenike, 1910 Subfamily Mideopsinae Koenike, 1910 Genus Tiramideopsis Cook, 1967 1 Subgenus Tiramideopsis (Tiramideopsis) Cook, 1967 2 Subgenus Tiramideopsis (Navamideopsis) Cook, 1967