NARMS Taxon list
Actinocyclus crassus (W.Smith) Ralfs ex Pritchard, 1861 accepted as Eupodiscus crassus W.Smith, 1853
Actinocyclus curvatulus Janisch, 1874 (uncertain > unassessed )
Actinocyclus divisus (Grunow) Hustedt, 1958 accepted as Coscinodiscus divisus var. divisus Grunow, 1878
Actinocyclus ehrenbergii Ralfs, 1861
Actinocyclus ehrenbergii var. crassa (W. Smith) Hustedt, 1929 accepted as Eupodiscus crassus W.Smith, 1853
Actinocyclus ehrenbergii var. ralfsii (W.Smith) Hustedt, 1929 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856
Actinocyclus ehrenbergii var. sparsa (Gregory) Hustedt, 1929 accepted as Eupodiscus sparsus Gregory, 1857
Actinocyclus ehrenbergii var. tenella (Brébisson) Hustedt, 1929 accepted as Eupodiscus tenellus Brébisson, 1854
Actinocyclus fulvus (W.Smith) Ralfs ex Pritchard, 1861 accepted as Eupodiscus fulvus W. Smith, 1853
Actinocyclus kuetzingii (A. Schmidt) Simonsen, 1975 accepted as Coscinodiscus kuetzingii var. kuetzingii Schmidt in Schmidt et al., 1878
Actinocyclus kützingii (A.Schmidt) Simonsen
Actinocyclus normanii (Gregory) Hustedt, 1957
Actinocyclus normanii f. normanii (W. Gregory) Hustedt, 1957 accepted as Coscinodiscus normanii Gregory ex Greville, 1859
Actinocyclus normanii f. subsalsus (Juhlin-Dannfelt) Hustedt
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837
Actinocyclus octonarius var. crassus (W.Smith) Hendey, 1954 accepted as Eupodiscus crassus W.Smith, 1853
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (uncertain > unassessed )
Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856
Actinocyclus octonarius var. sparsus (Gregory) Hendey, 1954 accepted as Eupodiscus sparsus Gregory, 1857
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854
Actinocyclus ralfsii (W.Smith) Ralfs, 1861 accepted as Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856
Actinocyclus ralfsii var. sparsa (Gregory) Ralfs in Pritchard, 1861 accepted as Actinocyclus octonarius var. sparsus (Gregory) Hendey, 1954 accepted as Eupodiscus sparsus Gregory, 1857
Actinocyclus roperi (Brébisson) Grunow ex Van Heurck, 1881 accepted as Eupodiscus roperi Brébisson, 1870
Actinocyclus senarius Ehrenberg, 1838 (uncertain > unassessed )
Actinocyclus subtilis (W.Gregory) Ralfs, 1861
Actinocyclus tenellus (Brébisson) Grunow, 1867 accepted as Eupodiscus tenellus Brébisson, 1854
Actinocyclus undulatus J.W.Bailey, 1842 (uncertain > unassessed )
Actinoptychus amblyoceros (Ehrenberg) A.Schmidt, 1874 (uncertain > unassessed )
Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861
Actinoptychus undulatus (J.W.Bailey) Ralfs, 1861 accepted as Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838
Aulacodiscus argus (Ehrenberg) A.Schmidt, 1886 accepted as Tripodiscus argus Ehrenberg, 1839
Aulacodiscus kittonii Arnott ex Ralfs, 1861
Aulacodiscus sollitianus Norman, 1861 accepted as Aulacodiscus sollittianus G.Norman, 1861
Aulacodiscus sollittianus G.Norman, 1861 (uncertain > unassessed )
Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (uncertain > unassessed )
Coscinodiscus anguste-lineatus A.Schmidt, 1878 accepted as Thalassiosira anguste-lineata (A.Schmidt) G.Fryxell & Hasle, 1977 accepted as Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878
Coscinodiscus apiculatus Ehrenberg, 1844
Coscinodiscus argus Ehrenberg, 1839 (uncertain > unassessed )
Coscinodiscus asteromphalus Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus balticus (Grunow) Grunow ex Cleve, 1891 accepted as Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880
Coscinodiscus bathyomphalus Cleve, 1883 (uncertain > unassessed )
Coscinodiscus centralis Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus commutatus Grunow, 1884 (uncertain > unassessed )
Coscinodiscus concinnus W.Smith, 1856
Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900
Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878
Coscinodiscus decrescens Grunow, 1878 accepted as Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
Coscinodiscus divisus Grunow, 1878 (uncertain > unassessed )
Coscinodiscus divisus var. divisus Grunow, 1878 (uncertain > unassessed )
Coscinodiscus eccentricus Ehrenberg, 1840 † (uncertain > unassessed )
Coscinodiscus eccentricus var. decipiens Grunow, 1878 † (uncertain > unassessed )
Coscinodiscus eccentricus var. fasciculata Hustedt, 1928 accepted as Thalassiosira eccentrica (Ehrenberg) Cleve, 1904
Coscinodiscus fasciculatus Schmidt, 1878 (uncertain > unassessed )
Coscinodiscus gracilis Karsten, 1905 (uncertain > unassessed )
Coscinodiscus granii Gough, 1905
Coscinodiscus granulosus Grunow accepted as Ehrenbergiulva granulosa (Grunow in Cleve & Grunow) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004 accepted as Coscinodiscus granulosus var. granulosus Grunow in Cleve & Grunow, 1880
Coscinodiscus granulosus var. granulosus Grunow in Cleve & Grunow, 1880 (uncertain > unassessed )
Coscinodiscus gravidus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira gravida f. gravida Cleve, 1896
Coscinodiscus hyalinus Grunow, 1880 (uncertain > unassessed )
Coscinodiscus hyperboreus Grunow accepted as Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890
Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008 accepted as Eupodiscus jonesianus Greville, 1862
Coscinodiscus kryophilus Grunow, 1884 (uncertain > unassessed )
Coscinodiscus kuetzingii A.Schmidt, 1878
Coscinodiscus kuetzingii var. kuetzingii Schmidt in Schmidt et al., 1878 (uncertain > unassessed )
Coscinodiscus kützingii A.Schmidt, 1878 accepted as Actinocyclus kützingii (A.Schmidt) Simonsen
Coscinodiscus lacunosus A. Berg, 1952 (uncertain > unassessed )
Coscinodiscus lacustris Grunow (uncertain > unassessed )
Coscinodiscus lacustris f. lacustris Grunow in Cleve & Grunow, 1880 (uncertain > unassessed )
Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890 (uncertain > unassessed )
Coscinodiscus lacustris var. pelagica Cleve-Euler, 1937 (uncertain > unassessed )
Coscinodiscus lacustris var. pelagicus Cleve-Euler
Coscinodiscus lacustris var. septentrionalis Grunow
Coscinodiscus leptopus Grunow, 1883 accepted as Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977
Coscinodiscus levanderi (Van Goor) Cleve-Euler, 1951 accepted as Thalassiosira levanderi van Goor, 1924
Coscinodiscus lineatus Ehrenberg, 1841 (uncertain > unassessed )
Coscinodiscus marginatus Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus neoradiatus Cleve-Euler, 1941 (uncertain > unassessed )
Coscinodiscus nitidus W.Gregory, 1857
Coscinodiscus nitidus f. nitidus Gregory, 1857 (uncertain > unassessed )
Coscinodiscus nobilis Grunow, 1879 (uncertain > unassessed )
Coscinodiscus nodulifer A.W.F.Schmidt, 1878 represented as Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
Coscinodiscus nordenskioeldii (P.T. Cleve) Cleve-Euler, 1951 accepted as Thalassiosira nordenskioeldii f. nordenskioeldii Cleve, 1873
Coscinodiscus normanii Gregory ex Greville, 1859 (uncertain > unassessed )
Coscinodiscus obscurus A.Schmidt, 1878
Coscinodiscus oculus Ehrenberg, 1840
Coscinodiscus oculusiridis Ehrenberg, 1840 accepted as Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840
Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (uncertain > unassessed )
Coscinodiscus pavillardii Forti, 1922 (uncertain > unassessed )
Coscinodiscus perforatus Ehrenberg, 1844
Coscinodiscus polyacanthus auct. (uncertain > unassessed )
Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880 (uncertain > unassessed )
Coscinodiscus polyacanthus var. balticus Grunow, 1880 accepted as Thalassiosira baltica (Grunow) Ostenfeld, 1901
Coscinodiscus polychordus Gran, 1897 (uncertain > unassessed )
Coscinodiscus radiatus Ehrenberg, 1840 (uncertain > unassessed )
Coscinodiscus rothii (Ehrenberg) Grunow
Coscinodiscus rothii var. normani (Gregory ex Greville) Van Heurck, 1928 accepted as Coscinodiscus normanii Gregory ex Greville, 1859