Acanthoecidae Norris, 1965 (additional source)
Acineta Ehrenberg, 1834 (basis of record)
Acinetidae Stein, 1859 (basis of record)
Aconchulinida (basis of record)
Acrosiphoniales (basis of record)
Actiniscaceae Kützing, 1844 (additional source)
Adenoides Balech, 1956 (additional source)
Adinimonadaceae (basis of record)
Adinimonas J.Schiller, 1928 (additional source)
Adinimonas oviformis J.Schiller, 1928 (additional source)
Amoebophrya Koeppen, 1894 (basis of record)
Amoebophryaceae (basis of record)
Amphidinium Claperède & Lachmann, 1859 (additional source)
Amphileptidae Bütschli, 1889 (basis of record)
Amphisolenia Stein, 1883 (additional source)
Amphisoleniaceae Lindemann, 1928 (basis of record)
Ancistridae Issel, 1903 (basis of record)
Ancistrum Maupas, 1883 (basis of record)
Apodogaster Walsh, 1891 (basis of record)
Apostomatida (basis of record)
Arcellinida (basis of record)
Archaesphaerodiniopsidaceae (basis of record)
Archaesphaerodiniopsis (basis of record)
Ardeidae Vigors, 1825 (basis of record)
Aspidisca Ehrenberg, 1830 (basis of record)
Aspidiscidae Ehrenberg, 1830 (basis of record)
Austrodecidae Stock, 1954 (additional source)
Austrodecidae Stock, 1954 (basis of record)
Bangiales (basis of record)
Bangiophycidae (basis of record)
Bivalvulida (additional source)
Blastodiniales (basis of record)
Blepharisma Perty, 1849 (basis of record)
Blepharocysta Ehrenberg, 1873 (additional source)
Bodo Ehrenberg, 1832 (basis of record)
Bodonidae Bütschli, 1887 (basis of record)
Bryidae (basis of record)
Bryopsidales (basis of record)
Cachonodinium A.R.Loeblich, 1980 (additional source)
Caenomorpha Perty, 1852 (basis of record)
Caenomorphidae Poche, 1913 (basis of record)
Calyptrosphaeraceae Boudreaux & Hay, 1969 (additional source)
Centrodinium Kofoid, 1907 (additional source)
Cephalobaenida (basis of record)
Cephalobaenida (additional source)
Ceramiales (additional source)
Ceratiaceae Kofoid, 1907 (additional source)
Ceratium F.Schrank, 1793 (additional source)
Ceratocoryaceae Lindemann, 1928 (basis of record)
Ceratocorys Stein, 1883 (additional source)
Ceratoperidiniaceae (basis of record)
Ceratoperidinium Margalef ex A.R.Loeblich, III, 1980 (additional source)
Chaetophorales (basis of record)
Charadriidae Vigors, 1825 (basis of record)
Chlamydodon Ehrenberg, 1835 (basis of record)
Chlamydodontidae Stein, 1859 (basis of record)
Chlorodendrales (basis of record)
Chytriodiniaceae (basis of record)
Chytriodiniales (basis of record)
Ciconiidae Sundevall, 1836 (basis of record)
Ciconiiformes (basis of record)
Cinetochilidae Perty, 1852 (basis of record)
Citharistes Stein, 1883 (additional source)
Cladophorales (basis of record)
Cladopyxidaceae Kofoid, 1907 (additional source)
Cladopyxis Stein, 1883 (additional source)
Coccosphaerales (basis of record)
Cochlodinium Schütt, 1896 (additional source)
Codonellidae Kent, 1881 (basis of record)
Coelosomidiidae Corliss, 1961 (basis of record)
Colepidae Ehrenberg, 1838 (basis of record)
Coleps Nitzsch, 1827 (basis of record)
Colossendeidae Jarzynsky, 1870 (additional source)
Colossendeidae Jarzynsky, 1870 (basis of record)
Compsopogonales (basis of record)
Condylostoma Bory de St. Vincent, 1824 (basis of record)
Condylostomatidae Kahl in Doflein & Reichenow, 1929 (additional source)
Coolia Meunier, 1919 (additional source)
Craspedotella Kofoid, 1905 (additional source)
Crypthecodiniaceae Biecheler ex Chatton, 1952 (additional source)
Crypthecodinium Biecheler, 1938 (additional source)
Cryptomonadaceae Ehrenberg, 1831 (basis of record)
Cryptomonadales (basis of record)
Cutleriales (additional source)
Cyathomonadaceae Pringsheim, 1944 (basis of record)
Cyathomonas Fromentel, 1874 (basis of record)
Cyclidiidae Ehrenberg, 1838 (basis of record)
Cyclidium O.F. Müller, 1773 (basis of record)
Dasycladales (basis of record)
Desmarestiales (basis of record)
Desmocapsa Pascher, 1914 (basis of record)
Desmocapsa gelatinosa Pascher, 1914 (additional source)
Desmocapsaceae (basis of record)
Desmocapsales (basis of record)
Dictyocysta Ehrenberg, 1854 (additional source)
Dictyocystidae Haeckel, 1873 (basis of record)
Dictyotales (basis of record)
Dicyemida (additional source)
Didiniidae Poche, 1913 (basis of record)
Dinophyceae (basis of record)