Achnanthes brevipes var. brevipes Agardh, 1824 (basis of record)
Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833 (basis of record)
Achnanthes hauckiana Grunow, 1880 (additional source)
Achnanthes hauckiana var. rostrata Schulz, 1926 (basis of record)
Achnanthes intermedia Kützing, 1833 (basis of record)
Achnanthes lanceolata var. rostrata Hustedt, 1911 accepted as Planothidium rostratoholarcticum Lange-Bertalot & Bąk in Bąk & Lange-Bertalot, 2014 (basis of record)
Achnanthes microcephala (Kützing) Grunow, 1880 accepted as Achnanthidium microcephalum Kützing, 1844 (additional source)
Actinocyclus C.G. Ehrenberg, 1837 (basis of record)
Amphipleura F.T. Kützing, 1844 (basis of record)
Amphiprora constricta Ehrenberg, 1843 (basis of record)
Amphiprora gigantea var. sulcata (O'Meara) Cleve, 1894 accepted as Amphiprora sulcata var. sulcata O'Meara, 1871 (basis of record)
Amphiprora hyalina Eulenstein ex Van Heurck, 1880 (additional source)
Amphora acutiuscula Kützing, 1844 accepted as Halamphora acutiuscula (Kützing) Levkov, 2009 (basis of record)
Amphora cymbifera Gregory, 1857 accepted as Halamphora cymbifera (Gregory) Levkov, 2009 (basis of record)
Amphora dubia Gregory, 1857 (basis of record)
Amphora ergadensis Gregory, 1857 (basis of record)
Amphora excisa Gregory, 1857 (basis of record)
Amphora laevissima W.Gregory, 1857 (basis of record)
Amphora membranacea W.Smith, 1853 (basis of record)
Amphora ocellata var. cingulata (Cleve) Cleve, 1895 accepted as Amphora cingulata var. cingulata Cleve in A. Schmidt et al., 1875 (basis of record)
Amphora quadrata Gregory, 1857 (basis of record)
Amphora tenera W.Smith, 1853 (basis of record)
Anomoeoneis sculpta (Ehrenberg) Cleve, 1895 accepted as Navicula sculpta var. sculpta Ehrenberg, 1854 (additional source)
Auricula dubia H.Peragallo, 1898 (additional source)
Auricula insecta (Grunow) A.Schmidt, 1894 accepted as Amphora insecta Grunow ex A.Schmidt, 1876 (basis of record)
Auricula staurophora Karsten, 1889 (basis of record)
Biddulphia granulata Roper, 1859 † accepted as Cerataulus granulatus (Roper) P.A. Sims & D.M. Williams, 2018 † (additional source)
Biddulphia laevis Ehrenberg, 1843 (additional source)
Biddulphia obtusa (Kützing) Ralfs, 1861 accepted as Odontella obtusa Kützing, 1844 (additional source)
Biddulphia rhombus (Ehrenberg) W.Smith, 1854 (additional source)
Biddulphia sinensis Greville, 1866 (additional source)
Biddulphia spinosa (J.W.Bailey) Boyer, 1927 accepted as Triceratium spinosum f. spinosum J.W. Bailey, 1844 (additional source)
Caloneis bicuneata (Grunow) Boyer, 1927 (basis of record)
Caloneis liburnica Grunow, 1880 accepted as Navicula liburnica var. liburnica Grunow in Van Heurck, 1885 (basis of record)
Campylodiscus bicostatus W.Smith ex F.C.S.Roper, 1854 (additional source)
Chaetoceros criophilus Gran, 1904 (basis of record)
Chaetoceros criophilus Gran, 1904 (additional source)
Chaetoceros groenlandicus Cleve, 1896 accepted as Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (basis of record)
Chaetoceros groenlandicus Cleve, 1896 accepted as Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (source of synonymy)
Chaetoceros ralfsii Schütt, 1896 (source of synonymy)
Chaetoceros ralfsii Schütt, 1896 (basis of record)
Chaetoceros skeleton F.Schütt, 1895 (basis of record)
Chaetoceros tetrastichon Cleve, 1897 (basis of record)
Scoliotropis latestriata (Brébisson ex Kützing) Cleve, 1894 (additional source)
Triceratium spinosum J.W.Bailey, 1844 accepted as Biddulphia spinosa (J.W.Bailey) Boyer, 1927 accepted as Triceratium spinosum f. spinosum J.W. Bailey, 1844 (source of synonymy)