- Coccolithus huxleyi (Lohmann) Kamptner, 1943 accepted as Gephyrocapsa huxleyi (Lohmann) P.Reinhardt, 1972
- Emiliania huxleyi (Lohmann) W.W.Hay & H.Mohler, 1967 accepted as Gephyrocapsa huxleyi (Lohmann) P.Reinhardt, 1972
- Gephyrocapsa huxleyi (Lohmann) P.Reinhardt, 1972
- Helicopontosphaera kamptneri W.W.Hay & H.Mohler, 1967 accepted as Helicosphaera carteri (Wallich) Kamptner, 1954
- Helicosphaera carteri (Wallich) Kamptner, 1954
- Helicosphaera carterii (Wallich) Kamptner, 1954 accepted as Helicosphaera carteri (Wallich) Kamptner, 1954
- Pontosphaera huxleyi Lohmann, 1902 accepted as Gephyrocapsa huxleyi (Lohmann) P.Reinhardt, 1972
- Pontosphaera pacifica D.A.Burns, 1973 †
- Syracosphaera pulchra Lohmann, 1902