DiatomBase

Biddulphia peragalli var. subrotundata (Brun in Schmidt et al.) F.W. Mills, 1933 accepted as Triceratium peragalli var. subrotunda Brun in Schmidt et al., 1891 (new combination reference)
Biddulphia polymorpha var. petiti (Leuduger-Fortmorel) F.W. Mills, 1933 accepted as Cerataulus petitii Leuduger-Fortmorel, 1892 (new combination reference)
Biddulphia pulchella f. quinquelocularis according to Mills (original description)
Biddulphia punctata var. anthropomorpha ‘Van Heurck' according to Mills, 1933 (taxonomy source)
Biddulphia radiopunctata ‘Mann' according to Mills, 1933 (taxonomy source)
Biddulphia robertsiana f. inermis (Schmidt in Schmidt et al.) F.W. Mills, 1933 accepted as Triceratium robertsianum f. inermis Schmidt in Schmidt et al., 1885 (new combination reference)
Biddulphia robertsiana var. macracantha (Grunow in Schmidt) F.W. Mills, 1933 accepted as Triceratium robertsianum var. macracantha Grunow in Schmidt et al., 1885 (new combination reference)
Biddulphia surirella (Ehrenberg) Rabenhorst, 1864 accepted as Zygoceros surirella Ehrenberg, 1840 (taxonomy source)
Biddulphia tumida var. peruviana Grunow in Van Heurck, 1882 † accepted as Ralfsiella peruviana (Grunow in Van Heurck) P.A. Sims, D. M. Williams & M. Ashworth, 2018 † (new combination reference)
Biddulphia tuomeyi f. andesitica (Pantocsek) F.W. Mills, 1933 accepted as Biddulphia tridentata var. andesitica Pantocsek, 1889 (new combination reference)
Biddulphia tuomeyi f. minor (Pantocsek) F.W. Mills, 1933 accepted as Biddulphia tridentata f. minor Pantocsek, 1889 (new combination reference)
Biddulphia uncinata ‘Schmidt in Schmidt et al.' Mills, 1933 (taxonomy source)
Bruniella coronalis (Brun) Van Heurck, 1896 accepted as Cotyledon coronalis Brun, 1891 (new combination reference)
Caloneis bertrandi (Lauby) F.W. Mills, 1933 accepted as Navicula bertrandi Lauby, 1910 (new combination reference)
Caloneis bicuneata f. lanceolata (Cleve) F.W. Mills, 1933 accepted as Caloneis liber f. lanceolata Cleve, 1894 (new combination reference)
Caloneis bonnieri (Lauby) F.W. Mills, 1933 accepted as Navicula bonnieri Lauby, 1910 (new combination reference)
Caloneis brevis var. elliptica (Van Heurck) F.W.Mills, 1933 accepted as Navicula brevis var. elliptica Van Heurck, 1885 (new combination reference)
Caloneis charcotii (M. Peragallo) F.W. Mills, 1933 accepted as Navicula charcotii var. charcotii M. Peragallo, 1921 (new combination reference)
Caloneis charlatii (M. Peragallo) F.W. Mills, 1933 accepted as Navicula charlatii f. charlatii M. Peragallo, 1921 (new combination reference)
Caloneis consimilis Peragallo & Peragallo according to Mills, 1933 (original description)
Caloneis fasciata var. gigantea (M. Peragallo in Héribaud et al.) Mills, 1933 accepted as Navicula fasciata var. gigantea M. Peragallo in Héribaud et al., 1920 (new combination reference)
Caloneis fasciata var. marcata (Østrup in Héribaud et al.) F.W. Mills, 1933 accepted as Navicula fasciata var. marcata Østrup in Héribaud et al., 1920 (new combination reference)
Caloneis hexapla (Schmidt) F.W.Mills, 1933 accepted as Navicula hexapla A.W.F.Schmidt, 1877 (new combination reference)
Caloneis liber var. rhombica (Meister) Mills, 1933 accepted as Caloneis latiuscula var. rhombica Meister, 1912 (new combination reference)
Caloneis liber var. subholsti (Hustedt) F.W. Mills, 1933 accepted as Caloneis latiuscula var. subholsti Hustedt, 1922 (new combination reference)
Caloneis liburnica Grunow, 1880 accepted as Navicula liburnica var. liburnica Grunow in Van Heurck, 1885 (new combination reference)
Caloneis limosa (Kützing) R.M.Patrick, 1966 accepted as Navicula limosa f. limosa Kützing, 1844 (original description)
Caloneis poirieri (Lauby) F.W. Mills, 1933 accepted as Navicula poirieri Lauby, 1910 (new combination reference)
Caloneis silicula var. maculata (M. Peragallo in Héribaud et al.) F.W. Mills, 1933 accepted as Navicula limosa var. maculata M. Peragallo in Héribaud et al., 1920 (new combination reference)
Caloneis ventricosa var. elliptica (Frenguelli) Mills, 1933 accepted as Navicula ventricosa var. elliptica Frenguelli, 1923 accepted as  (new combination reference)
Caloneis warmingii var. elegantula F.W. Mills, 1933 (original description)
Caloneis warmingii var. elongata (M. Peragallo in Tempère & Peragallo) F.W. Mills, 1933 accepted as Navicula heribaudi var. elongata M. Peragallo in Tempère & Peragallo, 1914 (new combination reference)
Campylodiscus baldjickianus Grunow in Schmidt et al. according to Mills, 1933 accepted as Campylodiscus thuretii var. baldjikiana Grunow in Schmidt et al., 1877 (original description)
Campylodiscus browneanus var. circumdatus 'Leuduger-Fortmorel' according to Mills, 1933 (original description)
Campylodiscus clypeus var. fossilis Pantocsek according to Mills (original description)
Campylodiscus ecclesianus var. rabenhorstii Mills, 1862 (original description)
Campylodiscus hibernicus var. costatus (W. Smith) Mills, 1933 accepted as Campylodiscus costatus W.Smith, 1851 (new combination reference)
Campylodiscus samoensis var. incerta according to Mills, 1933 (original description)
Capsula bifrons Mills, 1933 (original description)
Cerataulus thomei 'Leuduger-Fortmorel' according to Mills, 1933 (original description)
Cerataulus turgidus var. linearis (Amossé) Mills, 1933 accepted as Cerataulus labuensis var. linearis Amossé, 1924 (new combination reference)
Ceratoneis lunaris var. lusus angulata (Mayer) F.W. Mills, 1933 (new combination reference)
Ceratoneis lunaris var. lusus bilunaris (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. bilunaris Mayer, 1918 (new combination reference)
Ceratoneis lunaris var. lusus ceratonoides (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. ceratonoides Mayer, 1918 (new combination reference)
Ceratoneis lunaris var. lusus clavigera (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. clavigera Mayer, 1918 (new combination reference)
Ceratoneis lunaris var. lusus excisa (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. excisa Grunow, 1881 (new combination reference)
Ceratoneis lunaris var. lusus serpentina (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. serpentina Mayer, 1918 (new combination reference)
Ceratoneis lunaris var. lusus ventralis (Mayer) F.W. Mills, 1933 accepted as Eunotia lunaris var. ventralis Mayer, 1913 (new combination reference)
Cestodiscus ovalis var. hillabyana (Boyer) F.W. Mills, 1933 accepted as Coscinodiscus lewisianus var. hillabyanus Boyer, 1922 (new combination reference)
Cestodiscus pusillus (Grove manuscript, Rattray) F.W. Mills, 1933 accepted as Coscinodiscus pusillus Grove ms. in Rattray, 1890 (new combination reference)
Cestodiscus superbus var. novae-zeelandiae (Grove ex Schmidt) F.W. Mills, 1933 accepted as Coscinodiscus superbus var. novazealandica Grove ex Rattray, 1890 (new combination reference)
Cestodiscus superbus var. novazealandica (Grove ex Rattray) Mills, 1933 accepted as Coscinodiscus superbus var. novazealandica Grove ex Rattray, 1890 (new combination reference)
Chaetoceros affinis f. clevei (Schutt) F.W. Mills, 1933 accepted as Chaetoceros clevei Schütt, 1895 (new combination reference)
Chaetoceros antarcticum var. atlanticus (Cleve) F.W. Mills, 1933 accepted as Chaetoceros atlanticus f. atlanticum Cleve, 1873 (new combination reference)