Acanthocorbis apoda (Leadbeater) Hara & Takahashi, 1984 (additional source)
Acanthocorbis asymmetrica (Thomsen) Hara & Takahashi, 1984 (additional source)
Acanthocorbis campanula (Espeland) Thomsen, 1991 (additional source)
Acanthocorbis unguiculata (Thomsen) Hara & Takahashi, 1984 (additional source)
Acanthogonyaulax spinifera (Murray & Whitting) H.W.Graham, 1942 (additional source)
Acanthoica maxima Heimdal, 1981 (additional source)
Acanthoica quattrospina Lohmann, 1903 (additional source)
Achnanthes Bory, 1822 (additional source)
Achnanthes taeniata Grunow, 1880 accepted as Pauliella taeniata (Grunow) F.E.Round & P.W.Basson, 1997 (additional source)
Actiniscus pentasterias (Ehrenberg) Ehrenberg, 1844 (additional source)
Actinocyclus actinochilus (Ehrenberg) Simonsen, 1982 accepted as Coscinodiscus actinochilus Ehrenberg, 1844 (additional source)
Actinocyclus circellus T.P.Watkins, 1986 (additional source)
Actinocyclus curvatulus Janisch, 1874 (additional source)
Actinocyclus exiguus G.Fryxell & Semina, 1981 (additional source)
Actinocyclus kützingii (A.Schmidt) Simonsen (additional source)
Actinocyclus normanii (Gregory) Hustedt, 1957 (additional source)
Actinocyclus normanii f. normanii (W. Gregory) Hustedt, 1957 accepted as Coscinodiscus normanii Gregory ex Greville, 1859 (additional source)
Actinocyclus normanii f. subsalsus (Juhlin-Dannfelt) Hustedt (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Actinocyclus sagittulus Villareal, 1983 (additional source)
Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinocyclus spiritus T.P.Watkins, 1986 (additional source)
Actinocyclus subocellatus (Grunow) Rattray, 1890 accepted as Coscinodiscus curvatulus var. subocellata Grunow, 1884 (additional source)
Actinocyclus subtilis (W.Gregory) Ralfs, 1861 (additional source)
Actinocyclus vestigulus T.P.Watkins, 1986 (additional source)
Actinomonas mirabilis Kent, 1880 (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Adenoides eludens (Herdman) Balech, 1956 (additional source)
Adoneis pacifica G.W.Andrews & P.Rivera, 1987 (additional source)
Alexandrium acatenella (Whedon & Kofoid) Balech, 1985 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Alexandrium affine (H.Inoue & Y.Fukuyo) Balech, 1995 (additional source)
Alexandrium andersonii Balech, 1990 (additional source)
Alexandrium balechii (Steidinger) Balech, 1995 (additional source)
Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Alexandrium cohorticula (Balech) Balech, 1985 (additional source)
Alexandrium compressum (Y.Fukuyo, K.Yoshida & H.Inoue) Balech, 1995 (additional source)
Alexandrium concavum (Gaarder) Balech, 1985 (additional source)
Alexandrium foedum Balech, 1990 (additional source)
Alexandrium fraterculus (Balech) Balech, 1985 (additional source)
Alexandrium hiranoi Kita & Fukuyo, 1988 (additional source)
Alexandrium insuetum Balech, 1985 (additional source)
Alexandrium kutnerae (Balech, 1979) Balech, 1985 (additional source)
Alexandrium leei Balech, 1985 (additional source)
Alexandrium margalefii Balech, 1994 (additional source)
Alexandrium minutum Halim, 1960 (additional source)
Alexandrium monilatum (J.F.Howell) Balech, 1995 (additional source)
Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985 (additional source)
Alexandrium pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992 (additional source)
Alexandrium satoanum K.Yuki & Y.Fukuyo, 1992 (additional source)
Alexandrium tamarense (Lebour) Balech, 1995 (additional source)
Alexandrium tamiyavanichii Balech, 1994 (additional source)
Alexandrium tropicale Balech, 1985 (additional source)
Algirosphaera oryza Lecal-Schlauder, 1945 (additional source)
Algirosphaera quadricornu (Schiller) R.E.Norris, 1984 (additional source)
Algirosphaera robusta (Lohmann) R.E.Norris, 1984 (additional source)
Alisphaera capulata Heimdal, 1981 (additional source)
Alisphaera ordinata (Kamptner) Heimdal, 1973 (additional source)
Alisphaera unicornis Okada & McIntyre, 1977 (additional source)
Amphidiniopsis kofoidii Wołoszyńska, 1929 (additional source)
Amphidinium carterae Hulburt, 1957 (additional source)
Amphidinium klebsii Kofoid & Swezy, 1921 (additional source)
Amphidinium operculatum Claparède & Lachmann, 1859 (additional source)
Amphidinium poecilochroum J.Larsen, 1985 accepted as Nusuttodinium poecilochroum (J.Larsen) Y.Takano & T.Horiguchi, 2014 (additional source)
Amphidoma nucula Stein, 1883 (additional source)
Amphiprora C.G. Ehrenberg, 1843 (additional source)
Amphiprora belgicae Van Heurck, 1909 accepted as Banquisia belgicae (Van Heurck) Paddock, 1988 accepted as Amphiprora belgicae var. belgicae Van Heurck, 1909 (additional source)
Amphiprora rigida M. Peragallo, 1924 (additional source)
Amphisolenia bidentata B.Schröder, 1900 (additional source)
Amphisolenia globifera F.Stein, 1883 (additional source)
Amylax buxus (Balech) J.D.Dodge, 1989 accepted as Amylax triacantha var. buxus (Balech) Gárate-Lizárraga, 2014 (additional source)
Amylax triacantha (Jørgensen) Sournia, 1984 (additional source)
Anoplosolenia brasiliensis (Lohmann) Deflandre, 1952 accepted as Calciosolenia brasiliensis (Lohmann) Jer.R.Young, 2003 (additional source)
Apedinella radians (Lohmann) P.H.Campbell, 1973 (additional source)
Arcocellulus cornucervis G.R.Hasle, H.A.von Stosch & E.E.Syvertsen, 1983 (additional source)
Arcocellulus mammifer G.R.Hasle, H.A.von Stosch & E.E.Syvertsen, 1983 (additional source)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionella bleakeleyi var. notata Grunow, 1867 (additional source)
Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910 (additional source)
Asterionella glacialis Castracane, 1886 (additional source)
Asterionella japonica Cleve, 1882 (additional source)
Asterionella kariana Grunow, 1880 (additional source)
Asterionella socialis J.C.Lewin & R.E.Norris, 1970 (additional source)
Asterionella synedraeformis Greville, 1865 (additional source)
Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (additional source)
Asterionellopsis kariana (Grunow) Round, 1990 accepted as Asterionella kariana Grunow, 1880 (additional source)
Asterolampra grevillei (Wallich) Greville (additional source)
Asterolampra marylandica Ehrenberg, 1844 (additional source)
Asterolampra roperiana Greville, 1860 (additional source)
Asterolampra vanheurckii Brun, 1891 (additional source)
Asteromonas gracilis Artari, 1913 (additional source)
Asteromphalus arachne (Brébisson) Ralfs, 1861 accepted as Spatangidium arachne Brébisson, 1857 (additional source)
Asteromphalus darwinii Ehrenberg, 1844 (additional source)
Asteromphalus elegans Greville, 1859 (additional source)
Asteromphalus flabellatus (Brébisson) Greville, 1859 (additional source)
Asteromphalus heptactis (Brébisson) Ralfs, 1861 (additional source)
Asteromphalus hookeri Ehrenberg, 1844 (additional source)
Asteromphalus hyalinus Karsten, 1905 (additional source)
Asteromphalus parvulus Karsten, 1905 (additional source)