Hydrachnidia Krantz, 1978 - water mites Superfamily Hydryphantoidea Piersig, 1896 - water mites Family Hydryphantidae Piersig, 1896 Subfamily Protziinae Koenike, 1909 Genus Neocalonyx Walter, 1919 1 Subgenus Neocalonyx (Neocalonyx) Walter, 1919 2 Subgenus Neocalonyx (Otongacarus) Goldschmidt & Gerecke, 2003 3 Subgenus Neocalonyx (Paracalonyx) Lundblad, 1944