Hydrachnidia Krantz, 1978 - water mites Superfamily Hygrobatoidea Koch, 1842 Family Aturidae Thor, 1900 Subfamily Axonopsinae Viets, 1929 Genus Javalbia Viets, 1935 1 Subgenus Javalbia (Javalbia) Viets, 1935 2 Subgenus Javalbia (Javalbiopsis) Cook, 1967 3 Subgenus Javalbia (Megapes) Smit & Pešic, 2014