| Actinocyclus Ehrenb., 1837 |
| Actinocyclus circellus Watkins, 1986 |
| Actinocyclus complanatus Castrac., 1886 |
| Actinocyclus curvatulus C. Janisch, 1878 |
| Actinocyclus divisus (Grunow) Hust., 1958 |
| Actinocyclus ehrenbergii Ralfs, 1861 |
| Actinocyclus ellipticus Grunow, 1883 |
| Actinocyclus normanii (W. Greg. ex Grev.) Hustedt, 1957 |
| Actinocyclus octodenarius Ehrenb., 1839 |
| Actinocyclus octonarius Ehrenb., 1837 |
| Actinocyclus octonarius var. octonarius Ehrenb., 1837 |
| Actinocyclus senarius Ehrenb., 1838 |
| Actinocyclus subocellatus (Grunow) Rattray, 1890 |
| Actinocyclus subtilis (W. Greg.) Ralfs, 1861 |
| Actinocyclus tenuissimus Cleve, 1878 |
| Azpeitia H. Perag., 1912 |
| Azpeitia africana (C. Janisch ex A. Schmidt) G.A. Fryxell & Watkins, 1986 |
| Azpeitia barronii G.A. Fryxell & Watkins, 1986 |
| Azpeitia crenuloides Sims, 1986 |
| Azpeitia neocrenulata (Van Land) G.A. Fryxell & Watkins, 1986 |