HKRMS Taxon list
Actinocyclus alienus Grunow in Cleve, 1883 (uncertain > unassessed )
Actinocyclus ehrenbergii Ralfs, 1861
Actinocyclus ingens Rattray, 1890 † (uncertain > unassessed )
Actinocyclus ingens var. ovalis R.Gersonde, 1990 (uncertain > unassessed )
Actinocyclus kützingii (A.Schmidt) Simonsen
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (uncertain > unassessed )
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854
Actinocyclus senarius Ehrenberg, 1838 (uncertain > unassessed )
Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837
Actinoptychus pericavatus J.-J.Brun
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838
Arachnoidiscus ehrenbergii J.W.Bailey ex Ehrenberg
Arcocellulus cornucervis G.R.Hasle, H.A.von Stosch & E.E.Syvertsen, 1983 (uncertain > unassessed )
Asteromphalus cleveanus Grunow, 1876 (uncertain > unassessed )
Asteromphalus flabellatus (Brébisson) Greville, 1859
Aulacoseira islandica (O.Müller) Simonsen, 1979
Bacteriastrum comosum J.Pavillard, 1916
Bacteriastrum delicatulum Cleve, 1897
Bacteriastrum elongatum Cleve, 1897
Bacteriastrum furcatum Shadbolt, 1854 (uncertain > unassessed )
Bacteriastrum hyalinum Lauder, 1864
Bacteriastrum minus Karsten, 1905 (uncertain > unassessed )
Bellerochea horologicalis Stosch, 1980 (uncertain > unassessed )
Bellerochea malleus (Brightwell) Van Heurck, 1885 (uncertain > unassessed )
Bellerochea malleus f. biangulata Peragallo accepted as Bellerochea malleus var. biangulata H.Peragallo & M.Peragallo, 1908
Bellerochea malleus var. biangulata H.Peragallo & M.Peragallo, 1908 (uncertain > unassessed )
Biddulphia antediluviana (Ehrenberg) Van Heurck, 1885
Biddulphia biddulphiana (J.E.Smith) Boyer, 1900
Biddulphia granulata Roper, 1859 † accepted as Cerataulus granulatus (Roper) P.A. Sims & D.M. Williams, 2018 †
Biddulphia heteroceros Grunow in Van Heurck, 1882 (uncertain > unassessed )
Biddulphia laevis Ehrenberg, 1843 (uncertain > unassessed )
Biddulphia laevis f. laevis Ehrenberg, 1843 (uncertain > unassessed )
Biddulphia longicruris Greville, 1859 accepted as Hobaniella longicruris (Greville) P.A. Sims & D.M. Williams in Sims et al., 2018
Biddulphia longicruris var. longicruris Greville, 1859 (uncertain > unassessed )
Biddulphia reticulata Roper, 1859 accepted as Pseudictyota reticulata (Roper) P.A. Sims & D. M. Williams in Sims et al., 2018
Biddulphia sinensis Greville, 1866 (uncertain > unassessed )
Cerataulina bergonii Ostenfeld, 1903 (uncertain > unassessed )
Cerataulina bicornis (Ehrenberg) Hasle, 1985 accepted as Syringidium bicorne Ehrenberg, 1845
Cerataulina dentata Hasle in Hasle & Syvertsen, 1980 (uncertain > unassessed )
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903
Cerataulus granulatus (Roper) P.A. Sims & D.M. Williams, 2018 †
Chaetoceros affinis Lauder, 1864
Chaetoceros atlanticus Cleve, 1873
Chaetoceros brevis F.Schütt, 1895
Chaetoceros coarctatus Lauder, 1864
Chaetoceros compressus Lauder, 1864
Chaetoceros constrictus Gran, 1897
Chaetoceros costatus Pavillard, 1911 (uncertain > unassessed )
Chaetoceros curvisetus Cleve, 1889
Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020
Chaetoceros decipiens Cleve, 1873
Chaetoceros denticulatus
Chaetoceros dichaeta Ehrenberg, 1844
Chaetoceros didymus Ehrenberg, 1845
Chaetoceros diversus Cleve, 1873
Chaetoceros eibenii Grunow, 1882 (uncertain > unassessed )
Chaetoceros frickei Hustedt in Schmidt, 1921 (uncertain > unassessed )
Chaetoceros holsaticus F.Schütt, 1895
Chaetoceros lauderi Ralfs, 1864 (uncertain > unassessed )
Chaetoceros lorenzianus Grunow, 1863
Chaetoceros muelleri Lemmermann, 1898
Chaetoceros pelagicus Cleve
Chaetoceros peruvianus Brightwell, 1856
Chaetoceros pseudocrinitus Ostenfeld, 1901
Chaetoceros radians F.Schütt, 1895 (uncertain > unassessed )
Chaetoceros rostratus Ralfs, 1864 (uncertain > unassessed )
Chaetoceros sociale H.S. Lauder, 1864
Chaetoceros socialis H.S.Lauder, 1864
Chaetoceros socialis f. radians (F.Schütt) A.I.Proshkina-Lavrenko, 1963 accepted as Chaetoceros radians F.Schütt, 1895
Chaetoceros tortissimus Gran, 1900 (uncertain > unassessed )
Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
Climacodium biconcavum Cleve, 1897 (uncertain > unassessed )
Climacodium frauenfeldianum Grunow, 1868
Corethron hystrix Hensen, 1887 (uncertain > unassessed )
Corethron pennatum (Grunow) Ostenfeld, 1909
Coscinodiscus agapetos Rattray, 1890 (uncertain > unassessed )
Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (uncertain > unassessed )
Coscinodiscus asteromphalus Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus bathyomphalus Cleve, 1883 (uncertain > unassessed )
Coscinodiscus centralis Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus concinnus W.Smith, 1856
Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900
Coscinodiscus decrescens Grunow, 1878 accepted as Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
Coscinodiscus decrescens var. valida Grunow, 1884 (uncertain > unassessed )
Coscinodiscus denarius A.Schmidt
Coscinodiscus hexagonus Cheng & Chin, 1980 (uncertain > unassessed )
Coscinodiscus inclusus Rattray, 1890 (uncertain > unassessed )
Coscinodiscus janischii A.Schmidt, 1878
Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008 accepted as Eupodiscus jonesianus Greville, 1862
Coscinodiscus marginato-lineatus A.W.F.Schmidt
Coscinodiscus nitidus W.Gregory, 1857
Coscinodiscus radiatus Ehrenberg, 1840 (uncertain > unassessed )
Coscinodiscus rothii (Ehrenberg) Grunow
Coscinodiscus sol C.G.Wallich, 1860 (uncertain > unassessed )
Coscinodiscus stellaris Tempère & Peragallo, 1912 (uncertain > unassessed )
Coscinodiscus stellaris var. stellaris Roper, 1858 (uncertain > unassessed )
Coscinodiscus subaulacodiscoidalis Rattray, 1890 (uncertain > unassessed )
Coscinodiscus subconcavus Grunow, 1878
Coscinodiscus subconcavus var. tenuior Rattray, 1890 (uncertain > unassessed )