Actinocyclus actinochilus (Ehrenberg) Simonsen, 1982Coscinodiscus actinochilus Ehrenberg, 1844Actinocyclus adeliae Manguin, 1957uncertain )Actinocyclus cholnokyi VanLandingham, 1967uncertain )Actinocyclus complanatus F.S.Castracane degli AntelminelliActinocyclus complanatus var. complanatus Castracane, 1886uncertain )Actinocyclus curvatulus Janisch, 1874uncertain )Actinocyclus curvulatus Actinocyclus dimorphus (Castracane) Harwood & Maruyama, 1992Coscinodiscus dimorphus Castracane, 1886Actinocyclus divisus (Grunow) Hustedt, 1958Coscinodiscus divisus var. divisus Grunow, 1878Actinocyclus ehrenbergii Schumann, 1867uncertain )Actinocyclus exiguus G.Fryxell & Semina, 1981uncertain )Actinocyclus ingens Rattray, 1890 †uncertain )Actinocyclus ingens var. ovalis R.Gersonde, 1990uncertain )Actinocyclus karstenii Van Heurck, 1909uncertain )Actinocyclus normanii (Gregory) Hustedt, 1957Actinocyclus octonarius Ehrenberg, 1837Actinoptychus octonarius (Ehrenberg) Kützing, 1844Actinocyclus octonarius var. octonarius Ehrenberg, 1837Actinocyclus octonarius var. octonarius Ehrenberg, 1837uncertain )Actinocyclus senarius Ehrenberg, 1838uncertain )Actinocyclus spiritus T.P.Watkins, 1986uncertain )Actinocyclus undulatus J.W.Bailey, 1842uncertain )Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986Coscinodiscus nodulifer A.W.F.Schmidt, 1878Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986Coscinodiscus tabularis var. tabularis Grunow, 1884Charcotiella australis (G.Karst) S.Blanco & C.E.Wetzel, 2016Charcotiella irregularis (Perag.) S.Blanco & C.E.Wetzel, 2016Hemidiscus cuneiformis Wallich, 1860Hemidiscus karstenii A.P.Jousé, 1965uncertain )Hemidiscus ovalis (R.Gersonde) D.M.Harwood & T.Maruyama, 1992Actinocyclus ingens var. ovalis R.Gersonde, 1990Roperia tesselata (Roper) Grunow ex Pelletan, 1889Eupodiscus tesselatus Roper, 1858
