Acanthaulax senta Drugg, 1978 † (basis of record)
Acanthaulax venusta (Klement, 1960) Sarjeant † (basis of record)
Achilleodinium biformoides (Eisenack, 1958) Eaton, 1976 † (basis of record)
Achomosphaera alcicornu (Eisenack, 1954) Davey & Williams † (basis of record)
Achomosphaera andalousiensis Jan du Chêne, 1977 † (basis of record)
Achomosphaera ramulifera (G.V. Deflandre, 1937) W.R. Evitt, 1963 † (basis of record)
Adnatosphaeridium aemulum (G.V. Deflandre, 1938) Williams & Downie † (basis of record)
Adnatosphaeridium apiculatum (Cookson & Eisenack, 1960) Lentin & Williams † (basis of record)
Adnatosphaeridium caulleryi (G.V. Deflandre, 1938) Williams & Downie † (basis of record)
Adnatosphaeridium filamentosum (I.C. Cookson & A. Eisenack, 1958) Williams & Downie † (basis of record)
Adnatosphaeridium multispinosum Williams & Downie, 1966 † (basis of record)
Adnatosphaeridium reticulense (Pastiels, 1948) De Coninck † (basis of record)
Adnatosphaeridium vittatum Williams & Downie, 1966 † (basis of record)
Alaskadinium wigginsii Duxbury, 1977 † (basis of record)
Aldorfia aldorfensis (Gocht, 1970) Stover & Evitt † (basis of record)
Aldorfia deflandrei (Clarke & Verdier, 1967) Stover & Evitt † (basis of record)
Alisocysta margarita (Harland, 1979) Lentin & Williams † (basis of record)
Amphidiadema nucula (Cookson & Eisenack, 1962) Lentin & Williams † (basis of record)
Amphidiadema rectangularis (Cookson & Eisenack, 1962) Lentin & Williams † (basis of record)
Amphorula metaelliptica Dodekova, 1969 † (basis of record)
Apectodinium homomorphum (Deflandre & Cookson, 1955) Lentin & Williams, 1977 † (basis of record)
Apectodinium hyperacanthum (Cookson & Eisenack, 1965) Lentin & Williams † (basis of record)
Apectodinium paniculatum Costa & Downie, 1976 † (basis of record)
Apectodinium parvum (Alberti, 1961) Lentin & Williams † (basis of record)
Apectodinium quinquelatum (Williams & Downie, 1966) Costa & Downie † (basis of record)
Aprobolocysta eilema Duxbury, 1977 † (basis of record)
Aptea polymorpha Eisenack, 1958 † (basis of record)
Apteodinium apiatum McIntyre & Brideaux, 1980 † (basis of record)
Apteodinium australiense (Deflandre & Cookson, 1955) Williams, 1978 † (basis of record)
Apteodinium grande Cookson & Hughes, 1964 † (basis of record)
Apteodinium spiridoides Benedek, 1972 † (basis of record)
Apteodinium tectatum Piasecki, 1980 † (basis of record)
Araneosphaera araneosa Eaton, 1976 † (basis of record)
Areoligera coronata (O. Wetzel, 1933) Lejeune-Carpentier † (basis of record)
Areoligera medusettiformis (O. Wetzel, 1933) Lejeune-Carpentier, 1938 † (basis of record)
Areoligera sentosa Eaton, 1976 † (basis of record)
Areoligera tauloma Eaton, 1976 † (basis of record)
Areosphaeridium arcuatum Eaton, 1971 † (basis of record)
Areosphaeridium diktyoplokus (Klumpp, 1958) Eaton, 1971 † (basis of record)
Areosphaeridium fenestratum Bujak, 1976 † (basis of record)
Areosphaeridium multicornutum Eaton, 1971 † (basis of record)
Areosphaeridium pectiniforme (Gerlach, 1961) Stover & Evitt † (basis of record)
Artemisiocysta cladodichotoma Benedek, 1972 † (basis of record)
Athigmatocysta glabra Duxbury, 1977 † (basis of record)
Atopodinium prostatum Drugg, 1978 † (basis of record)
Avellodinium falsificum Duxbury, 1977 † (basis of record)
Bacchidinium polypes (Cookson & Eisenack, 1962) Davey † (basis of record)
Batiacasphaera compta Drugg, 1970 † (basis of record)
Batiacasphaera micropapillata Stover, 1977 † (basis of record)
Belodinium asaphum Drugg, 1978 † (basis of record)
Biorbifera johnewingii Habib, 1972 † (basis of record)
Bourkidinium granulatum Morgan, 1975 † (basis of record)
Caligodinium aceras (S.B. Manum & I.C. Cookson, 1964) Lentin & Williams † (basis of record)
Callaiosphaeridium asymmetricum (G.V. Deflandre & Courteville, 1939) Davey & Williams, 1966 † (basis of record)
Canningia attadalica (Cookson & Eisenack, 1962) Stover & Evitt † (basis of record)
Canningia ringnesiorum S.B. Manum & I.C. Cookson † (basis of record)
Canningia senonica Clarke & Verdier, 1967 † (basis of record)
Canninginopsis denticulata Cookson & Eisenack, 1962 † (basis of record)
Canninginopsis tabulata (Davey & Verdier, 1974) Duxbury † (basis of record)
Carpatella cornuta Grigorovitch, 1969 † (basis of record)
Carpodinium granulatum Cookson & Eisenack, 1962 † (basis of record)
Carpodinium obliquicostatum Cookson & Hughes, 1964 † (basis of record)
Cauca parva (Alberti, 1961) Davey & Verdier † (basis of record)
Ceratiopsis diebelii (Alberti, 1959) Vozzhennikova † (basis of record)
Ceratiopsis speciosa (Alberti, 1959) Lentin & Williams † (basis of record)
Chatangiella granulifera (Manum, 1963) Lentin & Williams, 1976 † (basis of record)
Chatangiella manumii (Vozzhennikova, 1967) Lentin & Williams † (basis of record)
Chatangiella serratula (Cookson & Eisenack, 1958) Lentin & Williams, 1976 † (basis of record)
Chatangiella tripartita (Cookson & Eisenack, 1960) Lentin & Williams, 1976 † (basis of record)
Chatangiella victoriensis (Cookson & Manum, 1964) Lentin & Williams, 1976 † (basis of record)
Chatangiella vnigri (Vozzhennikova, 1967) Lentin & Williams † (basis of record)
Chiropteridium dispersum Gocht, 1960 † (basis of record)
Chiropteridium lobospinosum (Gocht in Weiler, 1956) Gocht, 1960 † (basis of record)
Chiropteridium partispinatum (Gerlach, 1961) Brosius, 1963 † (basis of record)
Chytroeisphaeridia caddaensis Filatoff, 1975 † (basis of record)
Chytroeisphaeridia chytroeides (Sarjeant, 1962) Downie & Sarjeant † (basis of record)
Cladopyxidium saeptum (Morgenroth, 1968) Stover & Evitt † (basis of record)
Cleistosphaeridium ancoriferum (Cookson & Eisenack, 1960) Davey, Downie, Sarjeant & Williams † (basis of record)
Cleistosphaeridium huguoniotii (Valensi, 1955) Davey † (basis of record)
Cleistosphaeridium polypes (Cookson & Eisenack, 1962) Davey † (basis of record)
Comparodinium aquilonium Dörhöfer & Davies, 1980 † (basis of record)
Comparodinium diacrorhaetium Morbey, 1975 † (basis of record)
Comparodinium koessenium Morbey, 1975 † (basis of record)
Comparodinium lineatum Wille & Gocht, 1979 † (basis of record)
Comparodinium perpunctatum Wille & Gocht, 1979 † (basis of record)
Comparodinium punctatum Wille & Gocht, 1979 † (basis of record)
Comparodinium scalatum Wille & Gocht, 1979 † (basis of record)
Comparodinium stipulatum Wille & Gocht, 1979 † (basis of record)
Compositosphaeridium polonicum (Gorka, 1965) Erkmen & Sarjeant † (basis of record)
Conosphaeridium striatoconus (G.V. Deflandre & I.C. Cookson, 1955) I.C. Cookson & A. Eisenack † (basis of record)
Cordosphaeridium cantharellum (Brosius) Gocht, 1969 † (basis of record)
Cordosphaeridium fibrospinosum R.J. Davey & G.L. Williams, 1966 † (basis of record)
Cordosphaeridium funiculatum Morgenroth, 1966 † (basis of record)
Cordosphaeridium latispinosum R.J. Davey & G.L. Williams, 1966 † (basis of record)
Cordosphaeridium truncigerum (Deflandre, 1937) De Coninck † (basis of record)
Corrudinium incompositum (Drugg, 1970) Stover & Evitt, 1978 † (basis of record)
Cribroperidinium edwardsii (Cookson & Eisenack, 1958) Davey † (basis of record)
Cribroperidinium giuseppei (Morgenroth, 1966) Lentin & Williams † (basis of record)
Cribroperidinium granulatum (Klement, 1960) Stover & Evitt † (basis of record)
Cribroperidinium intricatum Davey, 1969 † (basis of record)