Abedinium Loeblich & A.R.Loeblich, 1966 (basis of record)
Abedinium Loeblich & A.R.Loeblich, 1966 (source of synonymy)
Abedinium dasypus (Cachon & Cachon-Enjumet) Loeblich Jr & Loeblich III, 1966 (basis of record)
Abedinium dasypus (Cachon & Cachon-Enjumet) Loeblich Jr & Loeblich III, 1966 (source of synonymy)
Achradina Lohmann, 1902 (basis of record)
Achradina pulchra Lohmann, 1903 accepted as Monaster rete F.Schütt, 1895 (additional source)
Actiniscaceae Kützing, 1844 (basis of record)
Actiniscales (basis of record)
Actiniscus Ehrenberg, 1841 (basis of record)
Actiniscus pentasterias (Ehrenberg) Ehrenberg, 1844 (additional source)
Adenoides Balech, 1956 (basis of record)
Adenoides eludens (Herdman) Balech, 1956 (basis of record)
Adenoides kofoidii (Herdman) J.D.Dodge, 1982 accepted as Pseudadenoides kofoidii (Herdman) F.Gómez, R. Onuma, Artigas & Horiguchi, 2015 (basis of record)
Adinimonas J.Schiller, 1928 (basis of record)
Akashiwo G.Hansen & Moestrup, 2000 (basis of record)
Akashiwo sanguinea (K.Hirasaka) Gert Hansen & Moestrup, 2000 (basis of record)
Alexandrium Halim, 1960 (basis of record)
Alexandrium acatenella (Whedon & Kofoid) Balech, 1985 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (basis of record)
Alexandrium balechii (Steidinger) Balech, 1995 (basis of record)
Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (basis of record)
Alexandrium cohorticula (Balech) Balech, 1985 (basis of record)
Alexandrium cohorticula (Balech) Balech, 1985 (source of synonymy)
Alexandrium compressum (Y.Fukuyo, K.Yoshida & H.Inoue) Balech, 1995 (basis of record)
Alexandrium concavum (Gaarder) Balech, 1985 (basis of record)
Alexandrium depressum (K.R.Gaarder) Balech & Tangen, 1985 (basis of record)
Alexandrium foedum Balech, 1990 (basis of record)
Alexandrium fraterculus (Balech) Balech, 1985 (basis of record)
Alexandrium hiranoi Kita & Fukuyo, 1988 (basis of record)
Alexandrium insuetum Balech, 1985 (basis of record)
Alexandrium kutnerae (Balech, 1979) Balech, 1985 (basis of record)
Alexandrium leei Balech, 1985 (basis of record)
Alexandrium margalefii Balech, 1994 (basis of record)
Alexandrium monilatum (J.F.Howell) Balech, 1995 (additional source)
Alexandrium monilatum (J.F.Howell) Balech, 1995 (basis of record)
Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985 (basis of record)
Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985 (source of synonymy)
Alexandrium satoanum K.Yuki & Y.Fukuyo, 1992 (basis of record)
Alexandrium tamarense (Lebour) Balech, 1995 (basis of record)
Alexandrium tamiyavanichii Balech, 1994 (basis of record)
Alexandrium tropicale Balech, 1985 (basis of record)
Amphidiniella Horiguchi, 1995 (basis of record)
Amphidiniella sedentaria Horiguchi, 1995 (basis of record)
Amphidiniopsis Woloszynska, 1928 (basis of record)
Amphidiniopsis arenaria Hoppenrath, 2001 (basis of record)
Amphidiniopsis cristata Hoppenrath, 2000 (basis of record)
Amphidiniopsis dentata Hoppenrath, 2001 (basis of record)
Amphidiniopsis galericulata Hoppenrath, 2000 (basis of record)
Amphidiniopsis hexagona S.A.Yoshimatsu, S.Toriumi & J.D.Dodge, 2000 (basis of record)
Amphidiniopsis hirsuta (Balech) J.D.Dodge, 1982 (basis of record)
Amphidiniopsis kofoidii Wołoszyńska, 1929 (basis of record)
Amphidiniopsis korewalensis S.Murray & D.J.Patterson, 2002 (basis of record)
Amphidiniopsis pectinaria Toriumi, Yoshimatsu & J.D.Dodge, 2002 (basis of record)
Amphidiniopsis swedmarkii (Balech) J.D.Dodge, 1982 (basis of record)
Amphidiniopsis urniformis G.I.Gail, 1950 (basis of record)
Amphidiniopsis uroensis Toriumi, Yoshimatsu & J.D.Dodge, 2002 (basis of record)
Amphidinium Claperède & Lachmann, 1859 (basis of record)
Amphidinium acutissimum J.Schiller, 1932 (basis of record)
Amphidinium acutissimum J.Schiller, 1932 (source of synonymy)
Amphidinium acutum Lohmann, 1920 (basis of record)
Amphidinium aloxalocium Norris, 1961 (basis of record)
Amphidinium asymmetricum Kofoid & Swezy, 1921 (basis of record)
Amphidinium aureum Böhm, 1976 (basis of record)
Amphidinium bipes Herdman, 1924 (basis of record)
Amphidinium boggayum Shauna Murray & D.J.Patterson, 2002 accepted as Bindiferia boggaya (Sh.Murray & D.J.Patterson) Sh.Murray & Hoppenrath, 2021 (basis of record)
Amphidinium britannicum (Herdman) Lebour, 1925 accepted as Togula britannica (Herdman) Flø Jørgensen, Shauna Murray & Daugbjerg, 2004 (basis of record)
Amphidinium carbunculus Conrad & Kufferath, 1954 (basis of record)
Amphidinium celestinum Conrad & Kufferath, 1954 (basis of record)
Amphidinium coeruleum W.Conrad, 1939 (basis of record)
Amphidinium conradii J.Schiller, 1932 (basis of record)
Amphidinium conus J.Schiller, 1928 (basis of record)
Amphidinium corallinum Conrad & Kufferath, 1954 (basis of record)
Amphidinium corpulentum Kofoid & Swezy, 1921 (basis of record)
Amphidinium crassum Lohmann, 1908 (basis of record)
Amphidinium cristatum Ballantine, 1964 (basis of record)
Amphidinium cucurbita Kofoid & Swezy, 1921 (basis of record)
Amphidinium cucurbitella Kofoid & Swezy, 1921 (basis of record)
Amphidinium curvatum J.Schiller, 1928 (basis of record)
Amphidinium cyaneoturbo Conrad & Kufferath, 1954 (basis of record)
Amphidinium dentatum Kofoid & Swezy, 1921 (basis of record)
Amphidinium discoidale (Diesing) Kofoid & Swezy, 1921 (basis of record)
Amphidinium dubium Conrad & Kufferath, 1954 (basis of record)
Amphidinium emarginatum (Diesing) Kofoid & Swezy, 1921 (basis of record)
Amphidinium fastigium Kofoid & Swezy, 1921 (basis of record)
Amphidinium filum Böhm, 1976 (basis of record)
Amphidinium flagellans J.Schiller, 1928 (basis of record)
Amphidinium flexum Herdman, 1923 (basis of record)
Amphidinium galbanum Kofoid & Swezy, 1921 (basis of record)
Amphidinium glaucum W.Conrad, 1926 (basis of record)
Amphidinium globosum Schröder, 1911 (basis of record)
Amphidinium hadae Balech, 1976 (basis of record)
Amphidinium herdmanii Kofoid & Swezy, 1921 (basis of record)
Amphidinium incoloratum P.H.Campbell, 1973 (basis of record)
Amphidinium inflatum Kofoid, 1931 (basis of record)
Amphidinium kesselitzii Schiller (basis of record)
Amphidinium klebsii Kofoid & Swezy, 1921 (basis of record)
Amphidinium klebsii Kofoid & Swezy, 1921 (source of synonymy)
Amphidinium lacustre F.Stein, 1883 accepted as Prosoaulax lacustris (F.Stein) Calado & Moestrup, 2005 (basis of record)
Amphidinium lanceolatum Schröder, 1911 (basis of record)
Amphidinium latum Lebour, 1925 accepted as Nusuttodinium latum (Lebour) Y.Takano & T.Horiguchi, 2014 (basis of record)
Amphidinium lilloense Conrad & Kufferath, 1954 (basis of record)