Adociidae de Laubenfels, 1936 accepted as Chalinidae Gray, 1867 (extant flag source)
Colymbidae accepted as Podicipedidae Bonaparte, 1831 (extant flag source)
Diatomyidae Mein & Ginsburg, 1997 (extant flag source)
Fascigeridae accepted as Frondiporidae Busk, 1859 (extant flag source)
Hipposideridae Lydekker, 1891 (extant flag source)
Hydrococcidae Thiele, 1928 (extant flag source)
Laubierinidae Warén, 1990 (extant flag source)
Pedicellasteridae Perrier, 1884 (extant flag source)
Pleciidae Duda, 1930 accepted as Bibionidae Fleming, 1821 (extant flag source)
Spinulidae Allen & Sanders, 1982 accepted as Bathyspinulidae Coan & Scott, 1997 (extant flag source)