Caloneis liber var. bicuneata (Grunow) Cleve, 1894 accepted as
Navicula bicuneata Grunow, 1860 (new combination reference)
Caloneis liber var. elongata (Grunow) Nizamuddin, 1982 accepted as
Navicula elongata Grunow in Schmidt, 1874 (new combination reference)
Campylodiscus fastuosus f. minuta (De Toni & Forti) Nizamuddin, 1982 accepted as
Campylodiscus thuretii f. minuta De Toni & Forti, 1914 (new combination reference)
Campyloneis horologium (Williamson) Nizamuddin, 1982 accepted as
Campylodiscus horologium var. horologium Williamson, 1848 (new combination reference)
Entomoneis gigantea (Grunow) Nizamuddin, 1983 accepted as
Amphiprora gigantea var. gigantea Grunow, 1860 (new combination reference)
Entomoneis gigantea var. decussata (Grunow) Nizamuddin, 1982 accepted as
Amphiprora decussata var. decussata Grunow in Cleve & Grunow, 1880 (new combination reference)
Entomoneis paludosa var. duplex (Donkin) Czarnecki & Reinke, 1982 accepted as
Amphiprora duplex var. duplex Donkin, 1858 (new combination reference)
Plagiotropis lepidoptera var. delicatula (Greville) Nizamuddin, 1982 accepted as
Amphiprora delicatula Greville, 1863 (new combination reference)