Braarudosphaera Deflandre, 1947 (basis of record)
Calciopappus Gaarder & Ramsfjell, 1954 (extant flag source)
Calciopappus Gaarder & Ramsfjell, 1954 (basis of record)
Calciosolenia Gran in J. Murray & Hjort, 1912 (basis of record)
Ceratolithus Kamptner, 1950 (basis of record)
Ceratolithus Kamptner, 1950 (extant flag source)
Chattonella B. Biecheler, 1936 (basis of record)
Chattonella B. Biecheler, 1936 (extant flag source)
Coccolithus E.H.L. Schwarz, 1894 (basis of record)
Crenalithus P.H. Roth, 1973 † accepted as Gephyrocapsa Kamptner, 1943 (basis of record)
Cruciplacolithus W. Hay & Mohler, 1967 (basis of record)
Cyclococcolithina J.A. Wilcoxon, 1970 accepted as Markalius M.N. Bramlette & E. Martini, 1964 † (basis of record)
Cyclococcolithina J.A. Wilcoxon, 1970 accepted as Markalius M.N. Bramlette & E. Martini, 1964 † (extant flag source)
Dicrateria Parke, 1949 (basis of record)
Dicrateria Parke, 1949 (extant flag source)
Gephyrocapsa Kamptner, 1943 (basis of record)
Gephyrocapsa Kamptner, 1943 (extant flag source)
Halopappus Lohmann, 1912 accepted as Michaelsarsia Gran in J. Murray & Hjort, 1912 (basis of record)
Halopappus Lohmann, 1912 accepted as Michaelsarsia Gran in J. Murray & Hjort, 1912 (extant flag source)
Hayaster Bukry, 1973 (basis of record)
Helicopontosphaera W.W. Hay & H.P. Mohler in Hay et al., 1967 † accepted as Helicosphaera Kamptner, 1954 (basis of record)
Hymenomonas Stein, 1878 (basis of record)
Hymenomonas Stein, 1878 (extant flag source)
Imantonia N. Reynolds, 1974 accepted as Dicrateria Parke, 1949 (extant flag source)
Imantonia N. Reynolds, 1974 accepted as Dicrateria Parke, 1949 (basis of record)
Isochrysis Parke, 1949 (basis of record)
Isochrysis Parke, 1949 (extant flag source)
Isthomolithus † accepted as Isthmolithus G. Deflandre, 1954 † (basis of record)
Michaelsarsia Gran in J. Murray & Hjort, 1912 (extant flag source)
Michaelsarsia Gran in J. Murray & Hjort, 1912 (basis of record)
Neosphaera Lecal-Schlauder, 1950 (extant flag source)
Neosphaera Lecal-Schlauder, 1950 (basis of record)
Oolithotus Reinhardt, 1968 (basis of record)
Ophiaster Gran in J. Murray & Hjort, 1912 (extant flag source)
Ophiaster Gran in J. Murray & Hjort, 1912 (basis of record)
Pappomonas I. Manton & K. Oates, 1975 (basis of record)
Pappomonas I. Manton & K. Oates, 1975 (extant flag source)
Papposphaera K. Tangen, 1972 (extant flag source)
Papposphaera K. Tangen, 1972 (basis of record)
Pavlova Butcher, 1952 (extant flag source)
Pavlova Butcher, 1952 (basis of record)
Phaeocystis Lagerheim, 1893 (extant flag source)
Phaeocystis Lagerheim, 1893 (basis of record)
Prasinocladus Kuckuck, 1894 (basis of record)
Prasinocladus Kuckuck, 1894 (extant flag source)
Prymnesium Massart, 1920 (basis of record)
Prymnesium Massart, 1920 (extant flag source)
Sportelloeca R.E. Norris, 1965 (basis of record)
Sportelloeca R.E. Norris, 1965 (extant flag source)
Synoikomonas Skuja, 1964 accepted as Hyaloselene Skuja, 1956 (basis of record)
Synoikomonas Skuja, 1964 accepted as Hyaloselene Skuja, 1956 (extant flag source)
Tergestiella Kamptner, 1941 (extant flag source)
Tergestiella Kamptner, 1941 (basis of record)
Tetralithus M. Gardet, 1955 † (extant flag source)
Tetralithus M. Gardet, 1955 † (basis of record)
Umbellosphaera Paasche, 1955 (extant flag source)
Umbellosphaera Paasche, 1955 (basis of record)
Umbilicosphaera Lohmann, 1902 (extant flag source)
Umbilicosphaera Lohmann, 1902 (basis of record)