Hydrachnidia Krantz, 1978 - water mites Superfamily Lebertioidea Thor, 1900 Family Torrenticolidae Piersig, 1902 Subfamily Torrenticolinae Piersig, 1902 1 Genus Monatractides Viets, 1926 2 Genus Neoatractides Lundblad, 1941 3 Genus Pseudotorrenticola Walter, 1906 4 Genus Stygotorrenticola Pešic & Gerecke, 2014 5 Genus Torrenticola Piersig, 1896