- Actinocyclus actinochilus (Ehrenberg) Simonsen, 1982 accepted as Coscinodiscus actinochilus Ehrenberg, 1844
- Actinocyclus curvatulus Janisch, 1874 (uncertain > unassessed)
- Actinocyclus dimorphus (Castracane) Harwood & Maruyama, 1992 accepted as Coscinodiscus dimorphus Castracane, 1886
- Actinocyclus ingens Rattray, 1890 † (uncertain > unassessed)
- Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884
- Hemidiscus cuneiformis Wallich, 1860
- Roperia tesselata (Roper) Grunow ex Pelletan, 1889