DiatomBase
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Subclass Coscinodiscophycidae (877)
- Superorder Biddulphianae (230)
- Superorder Chaetocerotanae (95)
- Superorder Corethranae (1)
- Superorder Coscinodiscanae (300)
- Order Arachnoidiscales (4)
- Order Asterolamprales (24)
- Order Aulacoseirales (50)
- Order Chrysanthemodiscales
- Order Coscinodiscales (146)
- Family Aulacodiscaceae (Schütt) Lemmermann, 1903 (12)
- Family Coscinodiscaceae Kützing, 1844 (76)
- Genus Brightwellia J. Ralfs in A. Pritchard, 1861 †
- Genus Cestodiscus R.K. Greville, 1865 †
- Genus Coscinodiscus C.G. Ehrenberg, 1839 (75)
- Species Coscinodiscus abyssalis (Castracane) Tempère & Peragallo, 1889-1895 accepted as Coscinodiscus radiatus var. abyssalis Castracane, 1886
- Species Coscinodiscus actinochilus Ehrenberg, 1844
- Species Coscinodiscus actinocycloides Pantocsek, 1886
- Species Coscinodiscus actinocycloides M. Peragallo, 1921
- Species Coscinodiscus actinocyclus Ehrenberg, 1854
- Species Coscinodiscus actinoptychus A.M.Edwards
- Species Coscinodiscus actinosus Grove ex Rattray, 1890
- Species Coscinodiscus adumbratus Østrup, 1895
- Species Coscinodiscus aeginensis A.W.F.Schmidt
- Species Coscinodiscus aequalis Grove & Sturt according to Mills, 1933
- Species Coscinodiscus aequatorialis Belyaeva, 1968
- Species Coscinodiscus aethes Rattray, 1890
- Species Coscinodiscus africanus Janisch ex A.Schmidt accepted as Azpeitia africana (Janisch ex Schmidt) G. Fryxell & T. P. Watkins in Fryxell, Sims & Watkins, 1986
- Species Coscinodiscus agapetos Rattray, 1890
- Species Coscinodiscus alboranii Pavillard, 1925
- Species Coscinodiscus alienus VanLandingham, 1968
- Species Coscinodiscus alpha Karsten, 1907
- Species Coscinodiscus ambigua Grunow (ex Thum), 1885
- Species Coscinodiscus ambiguus Stokes
- Species Coscinodiscus amplus Ehrenberg, 1872
- Species Coscinodiscus anastomosans Grunow, 1884
- Species Coscinodiscus anastomosans Pantocsek, 1892
- Species Coscinodiscus angstii Gran, 1931 accepted as Thalassiosira punctigera (Castracane) Hasle, 1983
- Species Coscinodiscus angulatus Greville, 1864
- Species Coscinodiscus angulosus Barker & Meakin, 1946
- Species Coscinodiscus angulosus Greville in Tempere & Peragallo
- Species Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus anguste-lineatus A.Schmidt, 1878 accepted as Thalassiosira anguste-lineata (A.Schmidt) G.Fryxell & Hasle, 1977
- Species Coscinodiscus annulatus Grunow, 1884
- Species Coscinodiscus annulatus Castracane, 1871
- Species Coscinodiscus anomalus VanLandingham, 1968
- Species Coscinodiscus antarcticus Castracane, 1886
- Species Coscinodiscus antediluvianus Rattray, 1890
- Species Coscinodiscus antimimos Rattray, 1890
- Species Coscinodiscus antiquus (Pantocsek) Schütt, 1896
- Species Coscinodiscus antiquus Schütt, 1896
- Species Coscinodiscus antiquus Grunow
- Species Coscinodiscus apages Rattray, 1890
- Species Coscinodiscus aphrastos Rattray, 1890
- Species Coscinodiscus apiculatus Ehrenberg, 1844
- Species Coscinodiscus apiculiferus Rattray, 1890
- Species Coscinodiscus apollinis Ehrenberg accepted as Charcotiella apollinis (Ehr.) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus apponyianus Pantocsek, 1909
- Species Coscinodiscus arafuraensis Janisch, 1888
- Species Coscinodiscus arafuraensis O'Meara, 1877
- Species Coscinodiscus aralensis Ostenfeld, 1908
- Species Coscinodiscus aralocaspius Gran & Henckel in Henckel, 1909
- Species Coscinodiscus arcus Lohman, 1948
- Species Coscinodiscus arenarius Baranov, 1948
- Species Coscinodiscus arenosus (Schmidt) M. Peragallo, 1897
- Species Coscinodiscus arentii (Kolbe) Cleve-Euler, 1951 accepted as Cyclotella arentii Kolbe, 1948
- Species Coscinodiscus argus Ehrenberg, 1839
- Species Coscinodiscus argus [sensu?] Schmidt in Schmidt et al., 1878
- Species Coscinodiscus argus Grunow in Schmidt et al., 1888
- Species Coscinodiscus armatus Greville, 1861
- Species Coscinodiscus asonumaae Pantocsek, 1892
- Species Coscinodiscus asperulus Grunow, 1884
- Species Coscinodiscus asteroides Truan y Luard & Witt, 1888
- Species Coscinodiscus asteromphalus Ehrenberg, 1844
- Species Coscinodiscus asteromphalus Schmidt in Schmidt et al., 1888
- Species Coscinodiscus asteromphalus [sensu] Schmidt, 1878
- Species Coscinodiscus asymmetricus Grunow in Cleve & Möller, 1878
- Species Coscinodiscus asymmetricus Meister, 1932
- Species Coscinodiscus atlanticus Castracane
- Species Coscinodiscus atlanticus Grunow
- Species Coscinodiscus auliscus Kützing, 1849
- Species Coscinodiscus australiensis Grunow, 1884
- Species Coscinodiscus australis Karsten, 1905 accepted as Charcotiella australis (G.Karst) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus australis Van Heurck, 1909
- Species Coscinodiscus baicalensis Henckel, 1921
- Species Coscinodiscus baileyana MacKay in L.W. Bailey, 1914
- Species Coscinodiscus baileyi (H.L.Smith) J.Rattray, 1890 accepted as Cestodiscus baileyi H.L.Smith, 1878 †
- Species Coscinodiscus baldjikianus Grunow, 1888
- Species Coscinodiscus balticus (Grunow) Grunow ex Cleve, 1891 accepted as Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880
- Species Coscinodiscus barbadensis Greville, 1861
- Species Coscinodiscus barkeri VanLandingham, 1968
- Species Coscinodiscus barklyi Coates, 1861
- Species Coscinodiscus bathyomphalus Cleve, 1883
- Species Coscinodiscus beaufortianus (Hustedt) VanLandingham, 1979 accepted as Cosmiodiscus beaufortianus Hustedt, 1955 †
- Species Coscinodiscus belgicae M.Peragallo
- Species Coscinodiscus bellum Jousé in Proschkina-Lavrenko, 1949
- Species Coscinodiscus bengalensis Grunow in Van Heruck, 1883
- Species Coscinodiscus bergii Cleve-Euler, 1941
- Species Coscinodiscus beta Karsten, 1907
- Species Coscinodiscus biangulatus A.W.F.Schmidt
- Species Coscinodiscus biconfusus VanLandingham, 1968
- Species Coscinodiscus biconicus Van Breemen, 1905
- Species Coscinodiscus biconus Ostenfeld in Tempère & Peragallo, 1913
- Species Coscinodiscus bicurvulatus Lohman, 1941
- Species Coscinodiscus bifrons Castracane, 1886 accepted as Charcotiella bifrons (Castrac.) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus bifrons Karsten, 1905
- Species Coscinodiscus bifrons Van Heurck, 1909
- Species Coscinodiscus biharensis Pantocsek, 1886
- Species Coscinodiscus binoculus Gombos, 1980
- Species Coscinodiscus bioculatus Grunow, 1884 accepted as Thalassiosira bioculata (Grunow) Ostenfeld, 1903
- Species Coscinodiscus bipartitus Rattray, 1890
- Species Coscinodiscus biplicatus Grunow in Van Heruck, 1883
- Species Coscinodiscus biradiatus R.K. Greville, 1861 † accepted as Azpeitia biradiata (Greville) P.A. Sims in Fryxell, Sims & Watkins (1986) †
- Species Coscinodiscus bisculptus Rattray, 1890
- Species Coscinodiscus bisinuatus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus bisulcatus Karsten, 1907
- Species Coscinodiscus blandus A.Schmidt, 1878
- Species Coscinodiscus blysmos Barron, 1983
- Species Coscinodiscus boeckhii Pantocsek, 1889
- Species Coscinodiscus boliviensis Grunow in Van Heurck, 1883
- Species Coscinodiscus borealis Ehrenberg, 1861
- Species Coscinodiscus borealis J.W. Bailey, 1856
- Species Coscinodiscus boulei H. Peragallo in Heribaud, 1903
- Species Coscinodiscus bouvet Karsten, 1905
- Species Coscinodiscus bractea J.-J.Brun
- Species Coscinodiscus brasiliensis Müller-Melchers, 1955
- Species Coscinodiscus bremianus Pantocsek, 1886
- Species Coscinodiscus brightwellioides (Grunow) Pantocsek, 1886 accepted as Coscinodiscus asteromphalus var. brightwellioides Grunow, 1884
- Species Coscinodiscus brockmanni Reinhold, 1937
- Species Coscinodiscus brunii Leuduger-Fortmorel, 1898
- Species Coscinodiscus budayanus Pantocsek, 1909
- Species Coscinodiscus bulla Hohn & Hellerman, 1966
- Species Coscinodiscus bullatus Janisch, 1888
- Species Coscinodiscus bulliens Schmidt in Schmidt et al., 1878
- Species Coscinodiscus caballeroi Azpeitia, 1911
- Species Coscinodiscus californicus O'Meara, 1890
- Species Coscinodiscus cameratus Hajós, 1968
- Species Coscinodiscus capensis Grunow, 1884
- Species Coscinodiscus caraibicus Truan y Luard & Witt, 1888
- Species Coscinodiscus carconensis Eulenstein, 1868? according to Harbirshaw et al.
- Species Coscinodiscus caspius Ehrenberg, 1872
- Species Coscinodiscus castracanei Ostenfeld, 1915
- Species Coscinodiscus castracanei Karsten, 1905 accepted as Charcotiella castracanei (G.Karst.) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus castracanei Hajós, 1968
- Species Coscinodiscus caudatus Karsten, 1905
- Species Coscinodiscus cellosus Harting, 1852
- Species Coscinodiscus centralis Ehrenberg, 1844
- Species Coscinodiscus centralis [sensu?] Schmidt in Schmidt et al., 1878
- Species Coscinodiscus centralis Weisse, 1867
- Species Coscinodiscus centralis sensu O'Meara, 1876
- Species Coscinodiscus centralis A. Schulze, 1879
- Species Coscinodiscus centranthus Ehrenberg, 1854
- Species Coscinodiscus centroaculeatus N.I. Strelnikova, 1971 †
- Species Coscinodiscus centrolineatus Karsten, 1905
- Species Coscinodiscus cervinus (Brightwell) Ralfs in Pritchard, 1861 accepted as Hyalodiscus cervinus Brightw., 1860 †
- Species Coscinodiscus challengeri Janisch in Cleve & Möller, 1879
- Species Coscinodiscus chambonis M. Peragallo & Héribaud in Héribaud, 1893
- Species Coscinodiscus charcotii M. Peragallo, 1921
- Species Coscinodiscus chromoradiatus Karsten, 1905 accepted as Charcotiella chromoradiata (G.Karst.) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909
- Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909
- Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909
- Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909
- Species Coscinodiscus chunii Karsten, 1905
- Species Coscinodiscus ciliatus Mann, 1925
- Species Coscinodiscus cinctus Kützing, 1844
- Species Coscinodiscus cingulatus Ehrenberg, 1844
- Species Coscinodiscus circumdatus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus circumscriptus Mann, 1937
- Species Coscinodiscus circumspectus Long, Fuge & Smith, 1946
- Species Coscinodiscus cirrus Lohman, 1938
- Species Coscinodiscus cladiscophorus Lefébure & Chenèviere, 1939
- Species Coscinodiscus clarescens Long, Fuge & Smith, 1946
- Species Coscinodiscus clivosus Pantocsek
- Species Coscinodiscus clypeus Ehrenberg, 1854
- Species Coscinodiscus cocconeiformis A.Schmidt accepted as
- Species Coscinodiscus commutatus Grunow, 1884 accepted as Coscinodiscopsis commutata (Grunow) E.A.Sar & I.Sunesen, 2008
- Species Coscinodiscus complexus Stodder
- Species Coscinodiscus compositus Rattray, 1890
- Species Coscinodiscus compressus Karsten, 1905
- Species Coscinodiscus comptus Castracane, 1886
- Species Coscinodiscus concavus Ehrenberg, 1854
- Species Coscinodiscus concavus Gregory, 1857
- Species Coscinodiscus concentricus Harting, 1852
- Species Coscinodiscus concinniformis Simonsen, 1974
- Species Coscinodiscus concinnoides Simonsen, 1974
- Species Coscinodiscus concinnus W.Smith, 1856
- Species Coscinodiscus concinnus Miquel, 1894
- Species Coscinodiscus conclusus Grove in Schmidt et al., 1891
- Species Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900
- Species Coscinodiscus confertus Rattray, 1890
- Species Coscinodiscus conformis Rattray, 1890
- Species Coscinodiscus confusus Rattray, 1890
- Species Coscinodiscus conspicuus Grunow
- Species Coscinodiscus contendens Mann, 1937
- Species Coscinodiscus convergens Karsten, 1905
- Species Coscinodiscus convexus A.W.F.Schmidt
- Species Coscinodiscus convexus (Castracane) M. Peragallo, 1897 accepted as Ethmodiscus convexus Castracane, 1886
- Species Coscinodiscus convexus Schutt, 1896
- Species Coscinodiscus cornutus Meister, 1932
- Species Coscinodiscus cornutus Karsten, 1905
- Species Coscinodiscus corolla Schmidt in Schmidt et al., 1878
- Species Coscinodiscus coronula Frenguelli & Orlando, 1958
- Species Coscinodiscus costatus Hendey, 1939
- Species Coscinodiscus craspedodiscus Kützing, 1849
- Species Coscinodiscus craspedodiscus O'Meara, 1877
- Species Coscinodiscus crassus Bailey
- Species Coscinodiscus crenulatus Grunow accepted as Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986
- Species Coscinodiscus crenulatus Castracane, 1871
- Species Coscinodiscus cribrosus Truan y Luard & Witt, 1888
- Species Coscinodiscus cristatus J.Rattray
- Species Coscinodiscus cruciatus (Ehrenberg) Kützing, 1844 accepted as Pyxidicula cruciata Ehrenberg, 1838
- Species Coscinodiscus cruxii Fenner, 1991
- Species Coscinodiscus cryophilus (Grunow) De Toni, 1894 accepted as Coscinodiscus kryophilus Grunow, 1884
- Species Coscinodiscus cuneistriatus Mann, 1937
- Species Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878
- Species Coscinodiscus curvatus Biske & Lak, 1956
- Species Coscinodiscus curvulatus
- Species Coscinodiscus cyaneus V.A.Nikolajev, 1965 †
- Species Coscinodiscus cycloteres Castracane, 1886
- Species Coscinodiscus debilis Rattray, 1890
- Species Coscinodiscus debilis Grove in Schmidt et al., 1890
- Species Coscinodiscus debyi Pantocsek, 1889
- Species Coscinodiscus decipiens Grunow ex Van Heurck, 1882
- Species Coscinodiscus decoratus Brun, 1891
- Species Coscinodiscus decoratus (A. Cleve) A. Cleve, 1951 accepted as Thalassiosira decorata Cleve-Euler, 1941
- Species Coscinodiscus decoratus 'Cleve-Euler' according to VanLandingham
- Species Coscinodiscus decrescenoides Jousé, 1955
- Species Coscinodiscus decrescens Grunow, 1878 accepted as Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus decrescens Castracane, 1886
- Species Coscinodiscus decrescens Schmidt in Schmidt et al., 1878
- Species Coscinodiscus decussatus Grove & Sturt manuscript in Rattray, 1890
- Species Coscinodiscus decussatus Hajós, 1973
- Species Coscinodiscus definitus Long, Fuge & Smith, 1946
- Species Coscinodiscus deformans Schrader, 1976
- Species Coscinodiscus deformatus Mann, 1907
- Species Coscinodiscus deformatus Pantocsek, 1903
- Species Coscinodiscus delawarensis Grunow in Rattray, 1890
- Species Coscinodiscus delta Karsten, 1907
- Species Coscinodiscus demergitus Fenner, 1978
- Species Coscinodiscus denarius A.Schmidt
- Species Coscinodiscus denarius Van Heurck, 1909
- Species Coscinodiscus densus Grove & Sturt manuscript in Rattray, 1890
- Species Coscinodiscus dentatus Kozyrenko, 1960
- Species Coscinodiscus denticulatus Castracane, 1886
- Species Coscinodiscus depressus Gregory manuscript in Rattray, 1890
- Species Coscinodiscus detritus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus devius Schmidt in Schmidt et al., 1878
- Species Coscinodiscus dichotomus Brun, 1896
- Species Coscinodiscus dichromus (Brun) Mills, 1896
- Species Coscinodiscus difficilis Karsten, 1907
- Species Coscinodiscus dimorphus Castracane, 1886
- Species Coscinodiscus diophthalmus F.S.Castracane degli Antelminelli
- Species Coscinodiscus diorama A.W.F.Schmidt
- Species Coscinodiscus diplostictus Grunow in Van Heurck, 1883
- Species Coscinodiscus disciger Ehrenberg, 1843
- Species Coscinodiscus discoplea Ehrenberg, 1854
- Species Coscinodiscus discrepans (Rattray) M. Peragallo, 1897 accepted as Coscinodiscus leptopus var. discrepans Rattray, 1890
- Species Coscinodiscus dispar M.Peragallo & Héribaud-Joseph
- Species Coscinodiscus dispersepunctatus Hajós, 1968
- Species Coscinodiscus dissoniformis N.I.Strelnikova, 1965 †
- Species Coscinodiscus dissonus Schulz, 1935 accepted as Eupyxidicula dissona (P.F.F.Schulz) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus distinctus Long, Fuge & Smith, 1946
- Species Coscinodiscus diversus Grunow
- Species Coscinodiscus diversus M. Peragallo in Tempère & Peragallo, 1912
- Species Coscinodiscus divisoides Brockmann, 1944
- Species Coscinodiscus divisus Grunow, 1878
- Species Coscinodiscus divisus Hustedt, 1928
- Species Coscinodiscus doljensis Pantocsek, 1886
- Species Coscinodiscus domifactus Hendey, 1958
- Species Coscinodiscus dubiosus Grunow
- Species Coscinodiscus dubius Rattray, 1890
- Species Coscinodiscus duplex Long, Fuge & Smith, 1946
- Species Coscinodiscus duplex Z.I.Glezer
- Species Coscinodiscus duriusculus Rattray, 1890
- Species Coscinodiscus ebulliens Castracane, 1886
- Species Coscinodiscus eccentricus Ehrenberg, 1840 †
- Species Coscinodiscus echinatus Rattray, 1890
- Species Coscinodiscus egregius Rattray, 1890
- Species Coscinodiscus ehrenbergii O'Meara, 1875
- Species Coscinodiscus elegans Greville, 1866
- Species Coscinodiscus elegantulus Greville, 1861
- Species Coscinodiscus ellipticus Grunow, 1867 (1870)
- Species Coscinodiscus ellipticus Hajós, 1973
- Species Coscinodiscus elongatus Grunow in Van Heurck, 1883
- Species Coscinodiscus endoi Kanaya, 1959
- Species Coscinodiscus entoleion Grunow
- Species Coscinodiscus entoleyon
- Species Coscinodiscus eomonoculus Bukry, 1987
- Species Coscinodiscus epiphanes Rattray, 1890
- Species Coscinodiscus eta Karsten, 1907
- Species Coscinodiscus euryomma Schmidt in Schmidt et al., 1891
- Species Coscinodiscus eutychus (Ehrenberg) Azpeitia, 1911 accepted as Peristephania eutycha Ehrenberg, 1854
- Species Coscinodiscus evadens J.Rattray
- Species Coscinodiscus evermanni Hanna & Grant, 1926
- Species Coscinodiscus exasperans Rattray, 1890
- Species Coscinodiscus excavatus Greville ex Ralfs, 1861
- Species Coscinodiscus excentricus Ehrenberg, 1840 accepted as Thalassiosira eccentrica (Ehrenberg) Cleve, 1904
- Species Coscinodiscus excentricus [sensu] Schmidt, 1874
- Species Coscinodiscus exceptus VanLandingham, 1968
- Species Coscinodiscus exiguus J.Rattray
- Species Coscinodiscus expectus VanLandingham, 1968
- Species Coscinodiscus extravagans Schmidt in Schmidt et al., 1878
- Species Coscinodiscus exutus Rattray, 1890
- Species Coscinodiscus fallax (Meunier) Cleve-Euler, 1951 accepted as Thalassiosira fallax Meunier, 1910
- Species Coscinodiscus fallax Schumann, 1867
- Species Coscinodiscus fasciatus Ehrenberg, 1855
- Species Coscinodiscus fasciculatus Schmidt, 1878
- Species Coscinodiscus fasciculatus O'Meara, 1867
- Species Coscinodiscus faurii Gasse, 1975
- Species Coscinodiscus favorabilis Hajós, 1973
- Species Coscinodiscus favus Frenguelli, 1936
- Species Coscinodiscus febigeri H.L. Smith, 1874
- Species Coscinodiscus fenestratus Ehrenberg, 1854
- Species Coscinodiscus filiformis Karsten, 1905
- Species Coscinodiscus fimbriato-limbatus Grunow, 1884
- Species Coscinodiscus fimbriatus Ehrenberg, 1844
- Species Coscinodiscus fimbriatus Schmidt in Schmidt et al., 1881
- Species Coscinodiscus fimbriatus-limbatus Ehrenberg, 1854
- Species Coscinodiscus finicus Misra, 1956
- Species Coscinodiscus flabellatus Rubina, 1976
- Species Coscinodiscus flagrans Rattray, 1890
- Species Coscinodiscus flavicans Ehrenberg, 1854
- Species Coscinodiscus flavicans Weisse, 1854
- Species Coscinodiscus flexilis Rattray, 1890
- Species Coscinodiscus flexuosus J.Brun
- Species Coscinodiscus florescens Grunow in Rattray, 1890
- Species Coscinodiscus floridulus Schmidt in Schmidt et al., 1888
- Species Coscinodiscus fluviatilis (F.Hustedt) Cleve-Euler, 1951 accepted as Thalassiosira fluviatilis f. fluviatilis Hustedt, 1926
- Species Coscinodiscus foraminosus Greville manuscript in Coll. British Museum ex Rattray, 1890
- Species Coscinodiscus fragilissimus Grunow in Van Heurck, 1883
- Species Coscinodiscus frigidus A.P.Jousé, 1965
- Species Coscinodiscus frigidus (Cleve-Euler) Cleve-Euler, 1951 accepted as Thalassiosira frigida Cleve-Euler, 1942
- Species Coscinodiscus fulguralis Brun, 1891
- Species Coscinodiscus furcatus Karsten, 1905
- Species Coscinodiscus furcillatus J.W. Bailey, 1856
- Species Coscinodiscus fuscus G.Norman, 1861
- Species Coscinodiscus fusiformis Tempère & Peragallo, 1907-1915
- Species Coscinodiscus gainii M. Peragallo, 1921
- Species Coscinodiscus galapagensis (Grunow in Van Heurck) Rattray, 1890 accepted as Coscinodiscus griseus var. gallopagensis Grunow in Van Heurck, 1883
- Species Coscinodiscus galapagensis Schmidt in Schmidt et al., 1888
- Species Coscinodiscus gamma Karsten, 1907
- Species Coscinodiscus gazellae C.Janisch ex Grunow, 1879
- Species Coscinodiscus gelatinosus (Cleve) Lemmermann
- Species Coscinodiscus gemmatulus Castracane, 1886
- Species Coscinodiscus gemmifer Ehrenberg
- Species Coscinodiscus gerlachii Van Heurck, 1909
- Species Coscinodiscus gerthii Reinhold, 1937
- Species Coscinodiscus giganteus Peragallo & Peragallo, 1897-1908
- Species Coscinodiscus gigas Ehrenberg, 1841
- Species Coscinodiscus glaberrimus Rattray, 1890
- Species Coscinodiscus glacialis Grunow, 1884
- Species Coscinodiscus globosus Hajós, 1968
- Species Coscinodiscus gombosii Gleser, Dolmatova & Lupikina, 1986
- Species Coscinodiscus gorbunovii
- Species Coscinodiscus gracilentus Rattray, 1890
- Species Coscinodiscus gracilis Karsten, 1905
- Species Coscinodiscus gracilis Hajós, 1968
- Species Coscinodiscus gracilis Dolmatova in Dolmatova, Kuklina & Oreshkina, 1984
- Species Coscinodiscus graecus Kützing accepted as Discoplea graeca Ehrenberg, 1840
- Species Coscinodiscus grandenucleatus Karsten, 1905
- Species Coscinodiscus grandineus J.Rattray
- Species Coscinodiscus granii Gough, 1905
- Species Coscinodiscus granulatus Ehrenberg, 1845
- Species Coscinodiscus granulosus Grunow accepted as Ehrenbergiulva granulosa (Grunow in Cleve & Grunow) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004
- Species Coscinodiscus gravidus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira gravida f. gravida Cleve, 1896
- Species Coscinodiscus grayianus Rattray, 1890
- Species Coscinodiscus gregorianus O' Meara, 1867
- Species Coscinodiscus gregorii O'Meara, 1876
- Species Coscinodiscus griseus Greville
- Species Coscinodiscus griseus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus grossheimii Gleser in Scheschukova & Gleser, 1962
- Species Coscinodiscus groveanus Rattray, 1890
- Species Coscinodiscus grunowii Pantocsek
- Species Coscinodiscus guineensis Grunow, 1884
- Species Coscinodiscus guineensis Karsten, 1905
- Species Coscinodiscus gyratus Janisch, 1888
- Species Coscinodiscus hainanensis Kuo, 1976
- Species Coscinodiscus hajosiae Fenner, 1984
- Species Coscinodiscus hantzschii Rosen, 1930
- Species Coscinodiscus haradaae Pantocsek, 1892
- Species Coscinodiscus hartingii
- Species Coscinodiscus hauckii Grunow, 1882 accepted as Ehrenbergiulva hauckii (Grunow in Van Heurck) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004
- Species Coscinodiscus heliozoides Siddall, 1912
- Species Coscinodiscus herculus Brun, 1891
- Species Coscinodiscus hertleinii Hanna & Grant, 1926
- Species Coscinodiscus heteromorphus Rattray, 1890
- Species Coscinodiscus heteroporus Ehrenberg, 1844
- Species Coscinodiscus heterostigma Ehrenberg, 1872
- Species Coscinodiscus hexagonalis G.H.H.Karsten
- Species Coscinodiscus hexagonus Cheng & Chin, 1980
- Species Coscinodiscus hexas (Ehrenberg) F.W. Mills, 1933 accepted as Symbolophora hexas Ehrenberg, 1844
- Species Coscinodiscus hibernicus Tarnogradskii, 1948
- Species Coscinodiscus hillabyanus Tempere & Forti in Tempere & Peragallo, 1907-1915
- Species Coscinodiscus hirosakiensis Kanaya, 1959
- Species Coscinodiscus hirtulus (Grunow in Van Heurck) Rattray, 1890 accepted as Cestodiscus hirtulus Grunow in Van Heurck, 1883 †
- Species Coscinodiscus hispidulus Pantocsek, 1889
- Species Coscinodiscus hokkaidoensis Okuno, 1959
- Species Coscinodiscus horridus Karsten, 1905
- Species Coscinodiscus humilis Rattray, 1890
- Species Coscinodiscus hungaricus Pantocsek
- Species Coscinodiscus hustedtii Müller-Melchers, 1953/1955
- Species Coscinodiscus hustedtii A.P.Jousé, 1949 †
- Species Coscinodiscus hyaleus Athanassopoulos, 1931
- Species Coscinodiscus hyalinus Grunow, 1880
- Species Coscinodiscus hybrida (Grunow) Thum, 1885 accepted as Coscinodiscus asteromphalus var. hybrida Grunow, 1884
- Species Coscinodiscus hyperboreus Grunow accepted as Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890
- Species Coscinodiscus ildicoi Hajós, 1974
- Species Coscinodiscus imbertii E. Manguin, 1960
- Species Coscinodiscus immaculatus Hanna, 1927
- Species Coscinodiscus imperator Janisch ms. in Rattray, 1890
- Species Coscinodiscus implicatus J.Rattray
- Species Coscinodiscus impolitus Rattray, 1890
- Species Coscinodiscus impressus Hajós, 1974
- Species Coscinodiscus impressus Grunow in Van Heurck, 1883
- Species Coscinodiscus inaequalis Grove & Sturt, 1887
- Species Coscinodiscus inaequisculptus Rattray, 1890
- Species Coscinodiscus incertus Leuduger-Fortmorel, 1898
- Species Coscinodiscus incertus Karsten, 1907
- Species Coscinodiscus incertus Kazarina, 1975
- Species Coscinodiscus inclusus Rattray, 1890
- Species Coscinodiscus incompositus Boyer, 1922
- Species Coscinodiscus incomptus Nygaard, 1932
- Species Coscinodiscus increscens Karsten, 1907
- Species Coscinodiscus incretus Schmidt in Schmidt et al., 1888
- Species Coscinodiscus incurvus Karsten, 1905
- Species Coscinodiscus indicus Ehrenberg, 1854
- Species Coscinodiscus indistinctus Karsten, 1905
- Species Coscinodiscus inexpectatus Rattray, 1890
- Species Coscinodiscus inflatus Karsten, 1905
- Species Coscinodiscus inordinatus Long, Fuge & Smith, 1946
- Species Coscinodiscus inornatus Karsten, 1905
- Species Coscinodiscus inscriptus Karsten, 1907
- Species Coscinodiscus insulindicus Reinhold, 1937
- Species Coscinodiscus insutus Rattray, 1890
- Species Coscinodiscus interlineatus Rattray, 1890
- Species Coscinodiscus intermedia (Grunow) Fricke, 1902 accepted as Coscinodiscus robustus var. intermedia Grunow, 1884
- Species Coscinodiscus intermedius Ehrenberg, 1854
- Species Coscinodiscus intermittens Karsten, 1905
- Species Coscinodiscus intermixtus Rattray, 1890
- Species Coscinodiscus intersectus Brun, 1891
- Species Coscinodiscus intramarginatus Hajós, 1973
- Species Coscinodiscus intumescens Pantocsek
- Species Coscinodiscus irradiatus Harting, 1864
- Species Coscinodiscus irregularis Rattray, 1890
- Species Coscinodiscus irregularis Grunow
- Species Coscinodiscus irroratus Castracane, 1880
- Species Coscinodiscus isoporus Ehrenberg, 1854
- Species Coscinodiscus jacksonii Desikachary & Sreelatha, 1989
- Species Coscinodiscus jambori Hajós, 1971
- Species Coscinodiscus janischii A.Schmidt, 1878
- Species Coscinodiscus janus Castracane, 1886 accepted as Charcotiella janus (Castrac.) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus japonicus Pantocsek, 1892
- Species Coscinodiscus japonicus Cleve ex Hitchcock in Habirshaw et al., 1877-1894
- Species Coscinodiscus javanensis Grunow in Cleve & Möller, 1878
- Species Coscinodiscus jeremianus Boyer, 1922
- Species Coscinodiscus jimboi Pantocsek, 1892
- Species Coscinodiscus joergensenii Ostenfeld, 1910
- Species Coscinodiscus johnsonianus (Greville) Rattray, 1890 accepted as Cestodiscus johnsonianus Greville, 1865 †
- Species Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008
- Species Coscinodiscus josefinus Grunow, 1884
- Species Coscinodiscus jousei Hajós, 1977
- Species Coscinodiscus karstenii Sournia, 1968
- Species Coscinodiscus karstenii Woodhead & Tweed, 1960
- Species Coscinodiscus karstenii VanLandingham, 1968
- Species Coscinodiscus kerguelensis Karsten, 1905
- Species Coscinodiscus kinkerianus Truan y Luard & Witt, 1888
- Species Coscinodiscus kochii Pantocsek, 1886
- Species Coscinodiscus kolbei A.P.Jousé, 1965
- Species Coscinodiscus kruizingai Reinhold, 1937
- Species Coscinodiscus kryophilus Grunow, 1884
- Species Coscinodiscus kuetzingii A.Schmidt, 1878
- Species Coscinodiscus kurzii Grunow, 1888
- Species Coscinodiscus kusnetzkianus Pantocsek, 1892
- Species Coscinodiscus kützingii A.Schmidt, 1878 accepted as Actinocyclus kützingii (A.Schmidt) Simonsen
- Species Coscinodiscus labyrinthus Roper, 1858
- Species Coscinodiscus lactucae-patella Bone & Gosden, 1967
- Species Coscinodiscus lacunosus A. Berg, 1952
- Species Coscinodiscus lacunosus Grove in Rattray, 1890
- Species Coscinodiscus lacustris Grunow
- Species Coscinodiscus laevis Karsten, 1905
- Species Coscinodiscus lamprotediscus Van Heurck, 1896
- Species Coscinodiscus lanceolatus Castracane, 1886
- Species Coscinodiscus latimarginatus Guo, 1981
- Species Coscinodiscus lentiginosus Janisch, 1874 accepted as Thalassiosira lentiginosa (Janisch) Fryxell, 1977
- Species Coscinodiscus leptopus Grunow, 1883 accepted as Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977
- Species Coscinodiscus levanderi (Van Goor) Cleve-Euler, 1951 accepted as Thalassiosira levanderi van Goor, 1924
- Species Coscinodiscus lewisianus Greville, 1866 † accepted as Araniscus lewisianus (Greville) Komura, 1998 †
- Species Coscinodiscus limbatus Ehrenberg, 1840
- Species Coscinodiscus limbatus Janisch & Rabenhorst, 1862
- Species Coscinodiscus limifixus Kufferath, 1956
- Species Coscinodiscus lineatus Ehrenberg, 1841
- Species Coscinodiscus lineatus Weisse, 1854
- Species Coscinodiscus lineatus [sensu] Schmidt in Schmidt et al., 1878
- Species Coscinodiscus lineatus [sensu] Witt, 1885
- Species Coscinodiscus lineatus [sensu] Schmidt in Schmidt et al., 1878
- Species Coscinodiscus lineatus Cleve, 1896
- Species Coscinodiscus lineolatus Ehrenberg, 1872 (1873)
- Species Coscinodiscus liocentrum Ehrenberg, 1871
- Species Coscinodiscus litos Hohn & Hellerman, 1966
- Species Coscinodiscus lobatus Barker & Meakin, 1946
- Species Coscinodiscus lobatus Rubina, 1967
- Species Coscinodiscus loeblichii Barron, 1985
- Species Coscinodiscus lohmanites VanLandingham, 1968
- Species Coscinodiscus longi Reinhold, 1937
- Species Coscinodiscus longispinus Grunow in Rattray, 1890
- Species Coscinodiscus luctuosus Grove manuscript in Rattray, 1890
- Species Coscinodiscus ludovicianus Rattray, 1890
- Species Coscinodiscus lunae Ehrenberg, 1844
- Species Coscinodiscus lunatus Grove manuscript in Rattray, 1890
- Species Coscinodiscus lutescens Rattray, 1890
- Species Coscinodiscus luxuriosus Rattray, 1890
- Species Coscinodiscus macraeanus Greville, 1865
- Species Coscinodiscus macraeanus Grunow in Schmidt et al., 1890
- Species Coscinodiscus macroporus Grunow, 1884
- Species Coscinodiscus macropunctatus Hajós, 1959
- Species Coscinodiscus macropunctatus Hajós & Palfalvy, 1961
- Species Coscinodiscus maculatus Grunow in Cleve & Möller, 1879
- Species Coscinodiscus maculosus Long, Fuge & Smith, 1946
- Species Coscinodiscus maeoticus Milovanova, 1955
- Species Coscinodiscus mannii Pantocsek, 1909
- Species Coscinodiscus margaritaceus Castracane, 1886
- Species Coscinodiscus margaritae Frenguelli & Orlando, 1958
- Species Coscinodiscus marginatolineatus
- Species Coscinodiscus marginato-lineatus A.W.F.Schmidt
- Species Coscinodiscus marginatus Ehrenberg, 1844
- Species Coscinodiscus marginatus Kützing, 1844
- Species Coscinodiscus marginatus Janisch, 1862
- Species Coscinodiscus marginatus Schmidt, 1874
- Species Coscinodiscus marginulatus Grunow in Schmidt et al., 1878
- Species Coscinodiscus mártonfii Pantocsek, 1886
- Species Coscinodiscus marylandicus Grunow in Cleve & Möller, 1879
- Species Coscinodiscus masonii Hanna & Grant, 1926
- Species Coscinodiscus matraensis Hajós, 1968
- Species Coscinodiscus maximus Grunow
- Species Coscinodiscus mecasmus 'Ehrenberg' according to Mills, 1933
- Species Coscinodiscus mecsekensis Hajós, 1973
- Species Coscinodiscus media
- Species Coscinodiscus mediadisperse-punctatum Skabichevskaya, 1984
- Species Coscinodiscus meditatus Hanna, 1932
- Species Coscinodiscus megacentrum Grove manuscript in Rattray, 1890
- Species Coscinodiscus megacoccus Castracane, 1886
- Species Coscinodiscus megalomma Schmidt in Schmidt et al., 1891
- Species Coscinodiscus megaporus Ehrenberg, 1861
- Species Coscinodiscus mendosus VanLandingham
- Species Coscinodiscus mesacmaeus Ehrenberg, 1854
- Species Coscinodiscus mesodictyon Ehrenberg, 1854
- Species Coscinodiscus mesoleius Cleve
- Species Coscinodiscus micans Schmidt in Schmidt et al., 1888
- Species Coscinodiscus microcentrum Ehrenberg, 1872
- Species Coscinodiscus microtrias (Ehrenberg) Mills, 1933 accepted as Symbolophora microtrias Ehrenberg, 1844
- Species Coscinodiscus minimus Karsten, 1905
- Species Coscinodiscus minimus (H. Peragallo in Tempère & Peragallo) G. Frenguelli, 1929 accepted as Coscinodiscus excentricus f. minima H. Peragallo in Tempère & Peragallo, 1908
- Species Coscinodiscus minimus Schumann, 1867
- Species Coscinodiscus minor Ehrenberg, 1840
- Species Coscinodiscus minor Anglor in Rattray, 1890
- Species Coscinodiscus minor W. Smith, 1853
- Species Coscinodiscus minor Weisse, 1854
- Species Coscinodiscus minuens Rattray, 1890
- Species Coscinodiscus minutellus Rattray, 1890
- Species Coscinodiscus minutifasciculatus Kuo, 1976
- Species Coscinodiscus minutiosus Karsten, 1905
- Species Coscinodiscus minutus Kützing, 1844
- Species Coscinodiscus minutus Schumann, 1867
- Species Coscinodiscus miocaenicus Krasske, 1934
- Species Coscinodiscus miocenicus Schrader, 1973
- Species Coscinodiscus miocenicus Hajós, 1959
- Species Coscinodiscus mirabilis Jousé, 1955
- Species Coscinodiscus mirificus Castracane, 1886
- Species Coscinodiscus mobilensis K.E. Lohman, 1957
- Species Coscinodiscus modestus Rattray, 1890
- Species Coscinodiscus moelleri A.Schmidt accepted as Eupyxidicula moelleri (A.W.F.Schmidt) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus moholensis Schrader, 1974
- Species Coscinodiscus monicae (Grunow) Rattray, 1890 accepted as Coscinodiscus janischii var. monicae Grunow, 1884
- Species Coscinodiscus moniliformis Pavillard, 1930
- Species Coscinodiscus monodon Mereschkowsky, 1902-1903
- Species Coscinodiscus moravicus Grunow in Schmidt et al., 1888
- Species Coscinodiscus morenoensis Hanna, 1927
- Species Coscinodiscus moronensis J.Rattray
- Species Coscinodiscus morsianus (Grunow) Sims, 1989 accepted as Coscinodiscus oculusiridis var. morsiana Grunow, 1884
- Species Coscinodiscus moseleyi O'Meara, 1875
- Species Coscinodiscus mossianus Greville, 1865
- Species Coscinodiscus mukhinae Donahue, 1970
- Species Coscinodiscus multispinosus Hajós, 1959
- Species Coscinodiscus mutabilis Strelnikova, 1974
- Species Coscinodiscus nankoorensis Desikachary & Ranjitha Devi, 1986
- Species Coscinodiscus nanolineatus Mann, 1925
- Species Coscinodiscus naviculoides Truan y Luard & Witt, 1888
- Species Coscinodiscus nebula Ehrenberg, 1872
- Species Coscinodiscus neglectus Karsten, 1905
- Species Coscinodiscus neocrenulatus S.L.VanLandingham, 1968 accepted as Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986
- Species Coscinodiscus neogradensis Pantocsek, 1886
- Species Coscinodiscus neoradiatus Cleve-Euler, 1941
- Species Coscinodiscus nevadensis Smedman, 1969
- Species Coscinodiscus nitidulus Grunow
- Variety Coscinodiscus nitidulus var. nitidulus Grunow in Schmidt et al., 1878
- Variety Coscinodiscus nitidulus var. radiata Mereschkowsky, 1901
- Variety Coscinodiscus nitidulus var. scintillans M. Peragallo in Peragallo & Peragallo, 1911
- Variety Coscinodiscus nitidulus var. subradians Rattray, 1890
- Species Coscinodiscus nitidus W.Gregory, 1857
- Species Coscinodiscus nitidus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus nobilis Grunow, 1879
- Species Coscinodiscus nobilis [sensu] Meunier, 1910
- Species Coscinodiscus nodatus Mann, 1937
- Species Coscinodiscus nodulifer A.W.F.Schmidt, 1878 represented as Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
- Species Coscinodiscus nodulolineatus Hendey, 1958
- Species Coscinodiscus nonscriptus Karsten, 1905
- Species Coscinodiscus nordenskioeldii (P.T. Cleve) Cleve-Euler, 1951 accepted as Thalassiosira nordenskioeldii f. nordenskioeldii Cleve, 1873
- Species Coscinodiscus normanianus Greville, 1866
- Species Coscinodiscus normanii Gregory ex Greville, 1859
- Species Coscinodiscus normannicus Gregory ex Greville Gregory in Van Heurck, 1883 accepted as Coscinodiscus normanii Gregory ex Greville, 1859
- Species Coscinodiscus normannicus Van Heurck, 1883
- Species Coscinodiscus normannii
- Species Coscinodiscus norwegicus Schrader in Schrader & Fenner, 1976
- Species Coscinodiscus notabilis Rattray, 1890
- Species Coscinodiscus nottinghamensis Grunow in Van Heurck, 1883
- Species Coscinodiscus novozealandicus (Grove ex Rattray) Hanna, 1932 accepted as Coscinodiscus superbus var. novazealandica Grove ex Rattray, 1890
- Species Coscinodiscus oamaruensis Grove & Sturt, 1887
- Species Coscinodiscus obliquus Rattray, 1890
- Species Coscinodiscus oblongus R.K. Greville, 1866 † accepted as Craspedodiscus ellipticus (R.K. Greville) A.M. Gombos, 1982 †
- Species Coscinodiscus obnubilus Rattray, 1890
- Species Coscinodiscus obovatus Castracane
- Species Coscinodiscus obscurus A.Schmidt, 1878
- Species Coscinodiscus obversus J.Rattray
- Species Coscinodiscus oceanicus (Ehrenberg) Kützing, 1849 accepted as Endictya oceanica Ehrenberg, 1845
- Species Coscinodiscus ochotensis Jousé, 1957
- Species Coscinodiscus oculoides Karsten, 1905
- Species Coscinodiscus oculus Ehrenberg, 1840
- Species Coscinodiscus oculus perforatus
- Species Coscinodiscus oculusiridis Ehrenberg, 1840 accepted as Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840
- Species Coscinodiscus oculusiridis Grunow in Schmidt et al., 1886
- Species Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840
- Species Coscinodiscus odontodiscus Grunow
- Species Coscinodiscus odontophorus Grunow, 1884 accepted as Coscinodiscus subtilis var. odontophorus Grunow, 1884
- Species Coscinodiscus oestrupii Van Heurck, 1909
- Species Coscinodiscus okamurae Skvortzow, 1932
- Species Coscinodiscus okunoi Iwahashi, 1936
- Species Coscinodiscus oligocenicus Jousé, 1973
- Species Coscinodiscus oliverianus (O'Meara) Cleve, 1901
- Species Coscinodiscus omphalanthus Ehrenberg
- Species Coscinodiscus omphalanthus [sensu] Grunow in Schmidt et al., 1878
- Species Coscinodiscus opposites
- Species Coscinodiscus oppositus Karsten, 1905
- Species Coscinodiscus ornatus (Rattray) Mills, 1933 accepted as Actinocyclus ornatus Rattray, 1890
- Species Coscinodiscus oruetae Azpeitia Moros, 1911
- Species Coscinodiscus ostenfeldii Cleve-Euler, 1951
- Species Coscinodiscus ovalis Roper, 1858
- Species Coscinodiscus ovalis (Greville) Rattray, 1890 accepted as Cestodiscus ovalis var. ovalis Greville, 1865
- Species Coscinodiscus ovicentrum Grove in Schmidt et al., 1893
- Species Coscinodiscus ovum Tempère & M. Peragallo in Tempère & Peragallo, 1912
- Species Coscinodiscus pacificus (Grunow) J.Rattray
- Species Coscinodiscus pacificus Castracane, 1886
- Species Coscinodiscus paleaceus (Grunow in Van Heurck) Rattray, 1890 accepted as Stoschia paleacea Grunow in Van Heurck, 1883 †
- Species Coscinodiscus pannonicus Hajós & Palfalvy, 1963
- Species Coscinodiscus pantocsekii (Grunow in Pantocsek) Schütt, 1896 accepted as Anisodiscus pantocsekii f. pantocsekii Grunow in Pantocsek, 1886
- Species Coscinodiscus pantocsekii De Toni, 1894
- Species Coscinodiscus pantocsekites VanLandingham, 1968
- Species Coscinodiscus papillosus Hajós, 1968
- Species Coscinodiscus papuanus Castracane, 1886
- Species Coscinodiscus papulosus Forti, 1910
- Species Coscinodiscus paradoxus Cheng & Chin, 1980
- Species Coscinodiscus parma J.W. Bailey
- Species Coscinodiscus partitus E.Grove & G.Sturt
- Species Coscinodiscus parvulus G.H.H.Karsten
- Species Coscinodiscus parvus (Grunow) A.Henckel
- Species Coscinodiscus parvus Hajós, 1971
- Species Coscinodiscus patellaeformis Greville, 1861
- Species Coscinodiscus patera Castracane, 1886
- Species Coscinodiscus patina Ehrenberg, 1839
- Species Coscinodiscus patina [sensu] J.W. Bailey, 1842
- Species Coscinodiscus patina [sensu?] Kützing, 1844
- Species Coscinodiscus patula Pelletan, 1889
- Species Coscinodiscus pauper Truan y Luard & Witt, 1888
- Species Coscinodiscus pavillardii Forti, 1922
- Species Coscinodiscus payeri Grunow
- Species Coscinodiscus pectinatus Rattray, 1890
- Species Coscinodiscus pelagicus N.Woodhead & R.D.Tweed, 1960
- Species Coscinodiscus pellucidus Grunow in Van Heurck, 1883
- Species Coscinodiscus pentas (Ehrenberg) A.Mann, 1907 accepted as Symbolophora pentas Ehrenberg, 1844
- Species Coscinodiscus peragalloi Pantocsek, 1892
- Species Coscinodiscus perforatus Ehrenberg, 1844
- Species Coscinodiscus perforatus Cleve & Möller, 1878
- Species Coscinodiscus perikompsos J.Rattray
- Species Coscinodiscus perminutus Rattray, 1890
- Species Coscinodiscus peruanus Grunow in Schmidt et al., 1878
- Species Coscinodiscus pethöi Pantocsek, 1892
- Species Coscinodiscus pileolus A. Schmidt
- Species Coscinodiscus pilosus Schmidt in Schmidt et al., 1890
- Species Coscinodiscus planetophorus Meister, 1932
- Species Coscinodiscus planithecus Kuo, 1976
- Species Coscinodiscus planiusculus Rattray, 1890
- Species Coscinodiscus planus Karsten, 1905
- Species Coscinodiscus plicatoides Simonsen, 1974
- Species Coscinodiscus plicatulus Grunow, 1884
- Species Coscinodiscus plicatus Grunow
- Species Coscinodiscus polurrhaptos Rattray, 1890
- Species Coscinodiscus polyacanthus auct.
- Species Coscinodiscus polyactis Cleve-Euler, 1941
- Species Coscinodiscus polychordus Gran, 1897
- Species Coscinodiscus polycora Ehrenberg, 1855
- Species Coscinodiscus polygonus Castracane, 1886
- Species Coscinodiscus polymorphus Strelnikova, 1974
- Species Coscinodiscus polyradiatus Castracane, 1886
- Species Coscinodiscus polystigma Ehrenberg, 1843
- Species Coscinodiscus praelineatus Jousé, 1968
- Species Coscinodiscus praenitidus J.Fenner in H.-J.Schrader & J.Fenner, 1976 † accepted as Rocella praenitida (J.Fenner in H.-J.Schrader & J.Fenner) J.Fenner in W.H.Kim & J.A.Barron, 1986 †
- Species Coscinodiscus praenodulifer Barron, 1983
- Species Coscinodiscus praeolarus Schmidt in Schmidt et al., 1891
- Species Coscinodiscus praepaleaceus Schrader, 1973
- Species Coscinodiscus praetextus Janisch, 1888
- Species Coscinodiscus praetor Grove manuscript in Rattray, 1890
- Species Coscinodiscus praeyabei Schrader, 1973
- Species Coscinodiscus princeps Jousé, 1973
- Species Coscinodiscus problematicus VanLandingham, 1968
- Species Coscinodiscus profundus Ehrenberg, 1854
- Species Coscinodiscus proteus (Grunow) Rattray accepted as Cestodiscus proteus Hardman ex Grunow in Van Heurck, 1883 †
- Species Coscinodiscus proximus Makarova, 1961
- Species Coscinodiscus pseudanastomosans Desikachary, Gowthaman & Latha, 1987
- Species Coscinodiscus pseudoactinocyclus Forti, 1913
- Species Coscinodiscus pseudodenticulatus Hustedt, 1958
- Species Coscinodiscus pseudoincertus Kazarina, 1978
- Species Coscinodiscus pseudolineatus Pantocsek, 1886
- Species Coscinodiscus pseudomarginatus Hustedt, 1935
- Species Coscinodiscus pseudonitidulus Karsten, 1905
- Species Coscinodiscus pseudoradiolatus M. Peragallo, 1921
- Species Coscinodiscus pulchellus Greville accepted as Cestodiscus pulchellus var. pulchellus Greville, 1866
- Species Coscinodiscus pulcherrimus Rattray, 1890
- Species Coscinodiscus pumilio Ehrenberg, 1872
- Species Coscinodiscus pumilus Grunow in Rattray, 1890
- Species Coscinodiscus punctatus Ehrenberg
- Species Coscinodiscus punctiger (Castracane) H.Peragallo, 1889 accepted as Ethmodiscus punctiger Castracane, 1886
- Species Coscinodiscus punctulatus Gregory, 1857
- Species Coscinodiscus pusillus Grove ms. in Rattray, 1890
- Species Coscinodiscus pustulatus Mann, 1907
- Species Coscinodiscus pygmaeus J.-J.Brun & M.Peragallo
- Species Coscinodiscus pyrenoidophorus Karsten, 1905
- Species Coscinodiscus pyxidicula Kützing, 1849
- Species Coscinodiscus pyxidicula 'Ehrenberg' according to Mills, 1933
- Species Coscinodiscus pyxis Ehrenberg, 1854
- Species Coscinodiscus quadrifarius Manguin, 1960
- Species Coscinodiscus quindenarius Ehrenberg, 1854 accepted as Actinocyclus quindenarius Ehrenberg, 1840
- Species Coscinodiscus quindenarius Hitchcock in Habirshaw, 1881-1882
- Species Coscinodiscus quinquiesmarcatus Karsten, 1905
- Species Coscinodiscus radiatus Ehrenberg, 1840
- Species Coscinodiscus radiatus J.W. Bailey, 1842
- Species Coscinodiscus radiatus sensu H.L. Smith, 1874-1879
- Species Coscinodiscus radiofurcatus MacKay in L.W. Bailey, MacKay & Kendall, 1915
- Species Coscinodiscus radiolatus Ehrenberg, 1854
- Species Coscinodiscus radiolatus Kützing, 1844
- Species Coscinodiscus radiolatus Weisse, 1854
- Species Coscinodiscus radiolatus Janisch, 1862
- Species Coscinodiscus radiolatus Weisse, 1868
- Species Coscinodiscus radiolatus Schmidt, 1874
- Species Coscinodiscus radiolatus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus radiopunctatus Hajós, 1968
- Species Coscinodiscus radiopunctatus Harting, 1864
- Species Coscinodiscus radiosus
- Species Coscinodiscus rebunensis Ichikawa, 1971
- Species Coscinodiscus rectangulus Karsten, 1905
- Species Coscinodiscus regina G.C.Wallich
- Species Coscinodiscus regius Wallich, 1868
- Species Coscinodiscus regius 'Grunow', 1878
- Species Coscinodiscus regius Grunow, 1879
- Species Coscinodiscus relatus Bailey, 1924
- Species Coscinodiscus reniformis Castracane, 1886
- Species Coscinodiscus rex Wallich in Schmidt, 1888
- Species Coscinodiscus rhombicus Castracane, 1886
- Species Coscinodiscus rhombicus (Grunow in Van Heurck) Rattray, 1890 accepted as Cestodiscus rhombicus Grunow in Van Heurck, 1883
- Species Coscinodiscus ritscheri Hustedt, 1958
- Species Coscinodiscus robustus Greville, 1866
- Species Coscinodiscus robustus [sensu] Schmidt in Schmidt et al., 1878
- Species Coscinodiscus rothii (Ehrenberg) Grunow
- Species Coscinodiscus rotula Grunow, 1878
- Species Coscinodiscus rotulus (A.F.Meunier) Cleve-Euler, 1951 accepted as Thalassiosira rotula Meunier, 1910
- Species Coscinodiscus rotundus Karsten, 1905
- Species Coscinodiscus ruboides Schrader, 1976
- Species Coscinodiscus rudis Castracane, 1886
- Species Coscinodiscus rudolfi Bachmann, 1938
- Species Coscinodiscus salisburyanus Lohman, 1948
- Species Coscinodiscus sarmaticus Pantocsek, 1886
- Species Coscinodiscus sawamurae Akiba, 1980
- Species Coscinodiscus schimperi Karsten, 1905
- Species Coscinodiscus schmidti Okuno in Helmcke-Krieger, 1964
- Species Coscinodiscus scintillans Greville, 1863
- Species Coscinodiscus scitulus Mann, 1925
- Species Coscinodiscus secernendus Schmidt in Schmidt et al., 1888
- Species Coscinodiscus sectoralis Gleser, Dolmatova & Lupikina, 1986
- Species Coscinodiscus sectorialis Gleser, Dolmatova & Lupikina, 1986
- Species Coscinodiscus sellatus Jousé, 1973
- Species Coscinodiscus semilunaris Grunow, 1884
- Species Coscinodiscus semipennatus Grunow, 1884
- Species Coscinodiscus senarius A.Schmidt
- Species Coscinodiscus septentrionalis Grunow, 1884
- Species Coscinodiscus seriatus Shirshov, 1937
- Species Coscinodiscus sexradiatus Jousé, 1951
- Species Coscinodiscus shantouensis Kuo, 1976
- Species Coscinodiscus sheshukovaensis Hajós, 1973
- Species Coscinodiscus sibericus Sheremissinova, 1968
- Species Coscinodiscus sibericus (Grunow in Cleve & Grunow) Hollerbakh & Krasavina, 1971 accepted as Coscinodiscus subtilis var. sibericus Grunow in Cleve & Grunow, 1880
- Species Coscinodiscus sibiricus N.I. Strelnikova, 1971 †
- Species Coscinodiscus signatus A.Mann, 1937
- Species Coscinodiscus simbirskianus Grunow, 1884
- Species Coscinodiscus similis Karsten, 1905
- Species Coscinodiscus simonis Karsten, 1905
- Species Coscinodiscus sinensis O'Meara, 1879
- Species Coscinodiscus sinicus Skvortzow, 1946
- Species Coscinodiscus smithii O'Meara, 1876
- Species Coscinodiscus sol C.G.Wallich, 1860
- Species Coscinodiscus solidus N.I. Strelnikova, 1971 †
- Species Coscinodiscus solitarius Karsten, 1905
- Species Coscinodiscus soloensis Reinhold, 1937
- Species Coscinodiscus sparsus Harwood, 1988
- Species Coscinodiscus sphaeroidalis J.Rattray
- Species Coscinodiscus spiniferus (Grove & Sturt) Grove & Sturt ex Grunow, 1888 accepted as Coscinodiscus elegans var. spinifera Grove & Sturt, 1887
- Species Coscinodiscus spinosus Chin, 1965
- Species Coscinodiscus spinuligerus (Grunow) Rattray, 1890 accepted as Coscinodiscus asteromphalus var. spinuligera Grunow, 1884
- Species Coscinodiscus spinulosus Ehrenberg, 1845
- Species Coscinodiscus spiralis Karsten, 1905
- Species Coscinodiscus spiralis Hajós, 1976 †
- Species Coscinodiscus spiraliterpunctatus Pantocsek, 1889
- Species Coscinodiscus spiroides Gleser, Dolmatova & Lupikina, 1986
- Species Coscinodiscus splendidulus Rattray, 1890
- Species Coscinodiscus splendidus Greville, 1865
- Species Coscinodiscus stefaninii G. Frenguelli, 1933
- Species Coscinodiscus steinyi Hanna, 1927
- Species Coscinodiscus stellaris Roper, 1858 accepted as Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986
- Species Coscinodiscus stellaris 'Ehrenberg' according to Mills, 1933
- Species Coscinodiscus stellaris Tempère & Peragallo, 1912
- Species Coscinodiscus stellatus Kitton, 1871
- Species Coscinodiscus stelliger Grunow in Schmidt et al., 1878
- Species Coscinodiscus stephanopyxioides Karsten, 1905
- Species Coscinodiscus stockesianus Grunow in Pantocsek, 1886
- Species Coscinodiscus stokesianus subtypicus Grunow
- Species Coscinodiscus stoschii A. Schmidt, 1889
- Species Coscinodiscus striatus Kützing, 1844
- Species Coscinodiscus strigillatus Witt in Schmidt et al., 1888 accepted as Haynaldiopsis strigillata (O.N.Witt) S.Blanco & C.E.Wetzel, 2016
- Species Coscinodiscus subangulatus Grunow, 1884
- Species Coscinodiscus subapiculatus Hanna in Hertlein, 1933
- Species Coscinodiscus subareolatus Rattray, 1890
- Species Coscinodiscus subaulacodiscoidalis Rattray, 1890
- Species Coscinodiscus subbulliens E.G.Jörgensen, 1905
- Species Coscinodiscus subbulliens Ostenfeld, 1910
- Species Coscinodiscus subconcavus Grunow, 1878
- Species Coscinodiscus subdivisus Truan y Luard & Witt, 1888
- Species Coscinodiscus suberbus
- Species Coscinodiscus subfasciculatus Karsten, 1907
- Species Coscinodiscus subglobosus Cleve & Grunow
- Species Coscinodiscus sublineatus Grunow, 1884
- Species Coscinodiscus sublineatus (Grunow) Rattray, 1890 accepted as Coscinodiscus excentricus var. sublineatus Grunow, 1884
- Species Coscinodiscus submarginatus (Grunow) Boseker, 1889 accepted as Coscinodiscus marginatus var. submarginatus Grunow, 1884
- Species Coscinodiscus subnitidus Rattray, 1890
- Species Coscinodiscus subnotabilis J.Rattray
- Species Coscinodiscus suboculatus Rattray, 1890
- Species Coscinodiscus subsalsus Juhlin-Dannfelt, 1882
- Species Coscinodiscus subtabulatus Cleve-Euler, 1951
- Species Coscinodiscus subtilis Ehrenberg, 1841
- Species Coscinodiscus subtilis O'Meara in litt. in Rattray
- Species Coscinodiscus subtilis Neupauer, 1867
- Species Coscinodiscus subtilis Eulenstein, 1868
- Species Coscinodiscus subtilis Schmidt in Schmidt et al., 1878
- Species Coscinodiscus subtilis Schmidt in Schmidt et al., 1878
- Species Coscinodiscus subtilissimus Ehrenberg, 1861
- Species Coscinodiscus subtilissimus Karsten, 1907
- Species Coscinodiscus subvelatus Grunow in Schmidt et al., 1881
- Species Coscinodiscus succinctus Scheschukova-Poretskaya & Gleser, 1964
- Species Coscinodiscus superbus Hardman
- Species Coscinodiscus suspectus Janisch in Schmidt et al., 1878
- Species Coscinodiscus symbolophoroides Frenguelli, 1928
- Species Coscinodiscus symbolophorus Grunow, 1884 accepted as Stellarima microtrias (Ehrenberg) G.R.Hasle & P.A.Sims, 1986
- Species Coscinodiscus symmetricus Greville, 1861
- Species Coscinodiscus symmetricus Kitton, Weissflog in Schmidt et al., 1878
- Species Coscinodiscus szabói Pantocsek, 1886
- Species Coscinodiscus szontághii Pantocsek, 1886
- Species Coscinodiscus tabularis Grunow, 1884 accepted as Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986
- Species Coscinodiscus tabulatus Tempere & Brun in Schmidt, 1891
- Species Coscinodiscus temperei Brun in Brun & Tempère, 1889
- Species Coscinodiscus tenellus Ehrenberg, 1854
- Species Coscinodiscus tener Rubina, 1967
- Species Coscinodiscus tenerrimus Jousé, 1973
- Species Coscinodiscus tenerrimus Ehrenberg, 1872
- Species Coscinodiscus tenuis (Grunow in Van Heurck) Rattray, 1890 accepted as Cosmiodiscus tenuis Grunow in Van Heurck, 1883
- Species Coscinodiscus tenuis J.W. Bailey in L.W. Bailey, 1861
- Species Coscinodiscus tenuisculptus Rattray, 1890
- Species Coscinodiscus tenuithecus Kuo, 1976
- Species Coscinodiscus theskelos Rattray, 1890
- Species Coscinodiscus theta Karsten, 1907
- Species Coscinodiscus thorii Pavillard, 1925
- Species Coscinodiscus thumii Cleve, 1885
- Species Coscinodiscus traducens J.Rattray
- Species Coscinodiscus transversalis Karsten, 1905
- Species Coscinodiscus transylvanicus Pantocsek, 1892
- Species Coscinodiscus trapeziformis N.V.Rubina, 1967 †
- Species Coscinodiscus travertinorum Rochoux d'Aubert in Héribaud et al., 1920
- Species Coscinodiscus trigonus Karsten, 1905
- Species Coscinodiscus trinitatis (Grunow in Van Heurck) Rattray, 1890 accepted as Cestodiscus trinitatis Grunow in Van Heurck, 1883 †
- Species Coscinodiscus trioculatus F.J.R.Taylor, 1966
- Species Coscinodiscus trochiskos Truan y Luard & Witt, 1888
- Species Coscinodiscus trompii Cleve, 1900
- Species Coscinodiscus tuberculatus A.W.F.Schmidt
- Species Coscinodiscus tubifex Jurilj, 1957
- Species Coscinodiscus tubiformis Tempère & Brun in Brun & Tempère, 1889
- Species Coscinodiscus tumidus Janisch, 1874 accepted as Thalassiosira tumida (Janisch) Hasle, 1971
- Species Coscinodiscus tumulus Brun, 1895
- Species Coscinodiscus turgidulus Ralfs
- Species Coscinodiscus turgidus Rattray, 1890
- Species Coscinodiscus turgidus Janisch in Cleve & Moller, 1879
- Species Coscinodiscus umbonatus Castracane, 1886
- Species Coscinodiscus umbonatus Gregory, 1857
- Species Coscinodiscus undatus (Cleve) Grunow in Pantocsek, 1886 accepted as Actinocyclus alienus var. undatus Cleve, 1885
- Species Coscinodiscus undulans Rattray, 1890
- Species Coscinodiscus undulatus Castracane, 1886
- Species Coscinodiscus undulatus Cleve, 1881
- Species Coscinodiscus undulosus A.Mann
- Species Coscinodiscus uralensis Jousé in Proschkina-Lavrenko, 1949
- Species Coscinodiscus vacuus Rattray, 1890
- Species Coscinodiscus valdiviae Karsten, 1905
- Species Coscinodiscus variabilis Frenguelli, 1928 accepted as Actinocyclus ferrarioae Lameiro, Vouilloud & Cefarelli, 2023
- Species Coscinodiscus varians G.H.H.Karsten
- Species Coscinodiscus variolatus Castracane, 1886
- Species Coscinodiscus varius Schumann, 1867
- Species Coscinodiscus velatus Schmidt in Schmidt et al., 1878
- Species Coscinodiscus velatus Ehrenberg, 1844
- Species Coscinodiscus venulosus Castracane, 1886
- Species Coscinodiscus verecundus A.Mann, 1907
- Species Coscinodiscus versicolor Brun
- Species Coscinodiscus vesiculosus Brun, 1894
- Species Coscinodiscus vestustissimus
- Species Coscinodiscus vetustissimus Pantocsek
- Species Coscinodiscus vicinus Schumann, 1867
- Species Coscinodiscus victoriae Karsten, 1905
- Species Coscinodiscus vidovichi Müller-Melchers, 1953
- Species Coscinodiscus vigilans Schmidt in Schmidt et al., 1888
- Species Coscinodiscus volutus Baldauf in Baldauf & Barron, 1982
- Species Coscinodiscus vulgaris Schumann, 1867
- Species Coscinodiscus vulnificus Gombos, 1976
- Species Coscinodiscus wailesii Gran & Angst, 1931
- Species Coscinodiscus wakuraensis Ichikawa, 1960
- Species Coscinodiscus wallichianus Grunow in Cleve & Möller, 1879
- Species Coscinodiscus weissflogianus Pantocsek, 1903
- Species Coscinodiscus weissflogii A. Schmidt in Schmidt et al., 1874
- Species Coscinodiscus weissflogii Pantocsek, 1889
- Species Coscinodiscus werffi Reinhold, 1937
- Species Coscinodiscus wernecki Ehrenberg, 1840
- Species Coscinodiscus weyprechtii Grunow, 1884
- Species Coscinodiscus whampoensis Grove manuscript in Rattray, 1890
- Species Coscinodiscus wittianus Pantocsek, 1889
- Species Coscinodiscus woodwardi Schmidt in Schmidt et al., 1878
- Species Coscinodiscus woodwardii Eulenstein, 1878
- Species Coscinodiscus yabei Kanaya, 1959
- Species Coscinodiscus zapalowiczii Pantocsek, 1909
- Species Coscinodiscus zebuensis Grunow manuscript, Rattray, 1890
- Species Coscinodiscus zeta Karsten, 1907
- Species Coscinodiscus zonulatus Rattray, 1890
- Genus Craspedodiscus C.G. Ehrenberg, 1844 †
- Genus Palmeria R.K. Greville, 1865
- Genus Palmerina G.R. Hasle, 1995
- Genus Spumorbis S. Komura, 1998 †
- Genus Stellarima G.R. Hasle & P.A. Sims, 1986 (1)
- Genus Stoschia C. Janisch ex Grunow in H. Van Heurck, 1883 †
- Family Gossleriellaceae Round, 1990
- Family Heliopeltaceae H. L. Smith, 1872 (26)
- Family Hemidiscaceae Hendey, 1937 emend Simonsen, 1975 (32)
- Family Hemipeltaceae
- Family Rocellaceae
- Family Stellarimaceae V.A.Nikolaev ex P.A.Sims & G.R.Hasle, 1990
- Order Ethmodiscales
- Order Melosirales (54)
- Order Orthoseirales (18)
- Order Paraliales (4)
- Order Stictocycales
- Order Stictodiscales
- Superorder Cymatosirophycanae (10)
- Superorder Lithodesmiophycanae (7)
- Superorder Rhizosolenianae (37)
- Superorder Thalassiosiranae (192)
- Order Arcanodiscales (5)
- Order Stictocyclales
- Subclass Fragilariophycidae (483)
- Order Centrales
