Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes coarctata (Brébisson ex W.Smith) Grunow, 1880 (additional source)
Achnanthes curvirostrum J.Brun, 1895 (basis of record)
Achnanthes danica (Flögel) Grunow in Cleve & Grunow, 1880 (additional source)
Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (additional source)
Achnanthes exilis Kützing, 1833 accepted as Achnanthidium exile (Kützing) Heiberg, 1863 accepted as Achnanthes exilis var. exilis Kützing, 1833 (additional source)
Achnanthes hungarica (Grunow) Grunow, 1880 accepted as Lemnicola hungarica (Grunow) F.E.Round & P.W.Basson, 1997 accepted as Achnanthidium hungaricum Grunow, 1863 (additional source)
Achnanthes lanceolata (Brébisson ex Kützing) Grunow, 1880 accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (additional source)
Achnanthes lemmermannii Hustedt, 1933 (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthes manifera Brun, 1895 (additional source)
Achnanthes temperei M.Peragallo, 1908 (basis of record)
Achnanthes tenera Hustedt, 1955 (basis of record)
Achnanthidium biasolettianum (Grunow) Bukhtiyarova, 1995 accepted as Achnanthes biasolettiana var. biasolettiana Grunow accepted as Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (basis of record)
Actinocyclus complanatus F.S.Castracane degli Antelminelli (basis of record)
Actinocyclus divisus (Grunow) Hustedt, 1958 accepted as Coscinodiscus divisus var. divisus Grunow, 1878 (additional source)
Actinocyclus octodenarius Ehrenberg, 1839 (basis of record)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinoptychus campanulifer Schmidt, 1875 (basis of record)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861 (additional source)
Actinoptychus taeniatus Hustedt, 1955 (basis of record)
Actinoptychus trigonus Schmidt in Schmidt et al., 1874 (basis of record)
Actinoptychus turgidus (Tempère & Brun) Tempère & Brun in Schmidt et al., 1892 accepted as Actinoptychus nitidus var. turgida Tempère in Brun & Tempère, 1889 (basis of record)
Amphiprora alata (Ehrenberg) Kützing, 1844 accepted as Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (additional source)
Amphiprora decussata Grunow, 1877 (additional source)
Amphiprora gigantea Grunow, 1860 (additional source)
Amphiprora pulchra Bailey, 1851 accepted as Entomoneis pulchra (Bailey) Reimer, 1975 (additional source)
Amphiprora similis Hustedt, 1955 (basis of record)
Amphora acuta Gregory, 1857 (additional source)
Amphora alata H.Peragallo (additional source)
Amphora angularis Gregory, 1855 accepted as Halamphora angularis (Gregory) Levkov, 2009 (additional source)
Amphora angusta Gregory, 1857 (additional source)
Amphora arcuata A.Schmidt, 1875 (additional source)
Amphora arenaria Donkin, 1858 (additional source)
Amphora areolata Grunow (basis of record)
Amphora aspera Petit, 1877 (basis of record)
Amphora bigibba Grunow ex A.Schmidt, 1875 (additional source)
Amphora bigibbosa Cleve (basis of record)
Amphora binodis Gregory, 1857 (additional source)
Amphora capensis A.W.F.Schmidt (basis of record)
Amphora caroliniana Giffen, 1980 (basis of record)
Amphora cingulata Cleve, 1875 (additional source)
Amphora clevei Grunow, 1875 (basis of record)
Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009 (additional source)
Amphora contracta Grunow in Schmidt et al., 1875 (basis of record)
Amphora costata W.Smith, 1853 accepted as Halamphora costata (W.Smith) Levkov, 2009 (additional source)
Amphora crassa Gregory, 1857 (additional source)
Amphora cymbifera Gregory, 1857 accepted as Halamphora cymbifera (Gregory) Levkov, 2009 (additional source)
Amphora cymbiformis Cleve, 1895 (basis of record)
Amphora decussata Grunow, 1877 accepted as Tetramphora decussata (Grunow, 1877) Stepanek & Kociolek, 2016 (additional source)
Amphora delphinea L.W.Bailey, 1861 (basis of record)
Amphora dubia Gregory, 1857 (additional source)
Amphora egregia Ehrenberg, 1861 (basis of record)
Amphora elegantula Hustedt, 1955 (basis of record)
Amphora exigua Gregory, 1857 accepted as Halamphora exigua (Gregory) Levkov, 2009 (additional source)
Amphora exsecta Grunow in Schmidt et al., 1875 (basis of record)
Amphora farcimen Grunow (basis of record)
Amphora flexuosa Greville, 1863 (basis of record)
Amphora fluminensis Grunow, 1863 (additional source)
Amphora formosa Cleve (basis of record)
Amphora fusca A.Schmidt, 1875 (additional source)
Amphora gibba A.W.F.Schmidt, 1876 (basis of record)
Amphora gigantea Grunow (additional source)
Amphora graeffii Cleve (basis of record)
Amphora granulata Gregory, 1857 accepted as Halamphora granulata (Gregory) Levkov, 2009 (additional source)
Amphora grevilleana Gregory, 1857 (additional source)
Amphora gruendleri Grunow, 1875 (basis of record)
Amphora hyalina Kützing, 1844 accepted as Halamphora hyalina (Kützing) Rimet & R. Jahn in Rimet et al., 2018 (additional source)
Amphora inflata Grunow, 1875 (basis of record)
Amphora janischii A. Schmidt in Schmidt et al., 1875 (basis of record)
Amphora javanica A.W.F.Schmidt (basis of record)
Amphora laevis Gregory, 1857 (additional source)
Amphora libyca Ehrenberg, 1840 (additional source)
Amphora lyrata Gregory, 1857 (additional source)
Amphora marina W.Smith, 1857 (additional source)
Amphora mexicana Schmidt (basis of record)
Amphora micans A. Schmidt in Schmidt et al., 1875 (basis of record)
Amphora obtusa W.Gregory, 1857 (additional source)
Amphora ocellata Donkin, 1861 (additional source)
Amphora oculus A.W.F.Schmidt (basis of record)
Amphora ovalis (Kützing) Kützing, 1844 (additional source)
Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875 (additional source)
Amphora proteus Gregory, 1857 (additional source)
Amphora rhombica Kitton, 1876 accepted as Tetramphora rhombica (Kitton in Schmidt, 1876) Stepanek & Kociolek, 2016 (additional source)
Amphora robusta Gregory, 1857 (additional source)
Amphora sabyii Salah, 1955 (additional source)
Amphora schmidtii Grunow (basis of record)
Amphora spectabilis Gregory, 1857 (additional source)
Amphora tenerrima Aleem & Hustedt, 1951 (additional source)
Amphora tenuissima Hustedt, 1955 (basis of record)
Amphora terroris Ehrenberg, 1853 accepted as  (additional source)
Amphora truncata Gregory, 1857 (additional source)
Amphora turgida Gregory, 1857 accepted as Halamphora turgida (Gregory) Levkov, 2009 accepted as Amphora turgida var. turgida Gregory, 1857 (additional source)
Amphora weissflogii A. Schmidt in Schmidt et al., 1875 (basis of record)
Anaulus balticus Simonsen, 1959 (additional source)
Anomoeoneis vitrea (Grunow) R.Ross, 1966 accepted as Gomphonema vitreum Grunow, 1878 (additional source)
Asterionella formosa Hassall, 1850 (additional source)
Asterionella gracillima (Hantzsch) Heiberg, 1863 (additional source)
Asterionella notata Grunow ex Van Heurck, 1881 accepted as Asterionella bleakeleyi var. notata Grunow, 1867 (additional source)