| Species | as Species | Doubtful |
|---|
Connected successfully| Acanthoica quattrospina Lohman, 1903 | | |
| Achnanthes brevipes C.A. Agardh, 1824 | | |
| Achnanthes longipes Agardh, 1824 | | |
| Achnanthes parvula Kützing, 1844 | ''Achnanthes brevipes var. parvula''; | |
| Algirosphaera quadricornu (Schiller, 1914) Norris, 1984 | ''Syracosphaera quadricornu''; | |
| Amphidinium amphidinioides (Geitler) Schiller, 1932 | ''Amphidinium vigrense''; | |
| Amphidinium conradii (Conrad, 1926) Schiller, 1933 | | |
| Amphidinium lanceolatum Schröder, 1911 | | |
| Amphidinium manannini Herdman, 1924 | | |
| Amphora copulata (Kützing) Schoeman & R.E.M.Archibald, 1986 | ''Amphora ovalis var. affinis''; | |
| Amphora hyalina Kützing, 1844 | | |
| Anacanthoica acanthos (Schiller) Deflandre, 1952 | | |
| Asteromphalus flabellatus (Brébisson) Greville, 1859 | | |
| Asteromphalus robustus Castracane, 1875 | | |
| Bacteriastrum hyalinum Lauder, 1864 | | |
| Biddulphia alternans (J.W.Bailey) Van Heurck, 1885 | | |
| Calyptrosphaera globosa Lohman, 1902 | | |
| Calyptrosphaera oblonga Lohman, 1902 | | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | ''Cerataulina bergonii''; | |
| Ceratium fusus var. seta (Ehrenberg) Sournia, 1966 | | |
| Chaetoceros abnormis Proschkina-Lavrenko, 1953 | | |
| Chaetoceros affinis Lauder, 1864 | | |
| Chaetoceros breve Schütt, 1895 | ''Chaetoceros brevis''; | |
| Chaetoceros compressus Lauder, 1864 | | |
| Chaetoceros convolutus Castracane, 1886 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros danicus P.T.Cleve, 1889 | | |
| Chaetoceros decipiens P.T. Cleve, 1873 | | |
| Chaetoceros densus P.T. Cleve, 1901 | | |
| Chaetoceros diversus Cleve, 1873 | | |
| Chaetoceros dubius Pr.-Lavrenko | | |
| Chaetoceros heterovalvatus Prosckina-Lavrenko | | |
| Chaetoceros insignis Prosckina-Lavrenko | | |
| Chaetoceros laciniosus Schütt, 1895 | | |
| Chaetoceros lauderi Ralfs in Lauder, 1864 | | |
| Chaetoceros lorenzianus Grunow, 1863 | | |
| Chaetoceros pendulus Karsten | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros rigidus Ostenfeld | | |
| Chaetoceros similis P.T. Cleve, 1896 | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Chaetoceros socialis Lauder, 1864 | | |
| Chaetoceros subtilis (Proschkina-Lavrenko) Proschkina-Lavrenko, 1961 | | |
| Chaetoceros teres P.T. Cleve, 1896 | | |
| Chlamydomonas euglenaeformis J.Schiller | | |
| Coccolithus pelagicus (Wallich, 1877) Schiller, 1930 | | |
| Cocconeis scutellum (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Cochlodinium adriaticum Schiller, 1933 | ''Gyrodinium adriaticum''; | |
| Cochlodinium citron Kofoid & Swezy, 1921 | | |
| Coronosphaera mediterranea (Lohmann, 1902) Gaarder, 1977 | ''Syracosphaera mediterranea''; | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus janischii Schmidt, 1878 | | |
| Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 | | |
| Cyclotella caspia Grunow, 1878 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | ''Rhizosolenia fragillissima''; | |
| Detonula confervacea (P.T. Cleve) Gran, 1900 | | |
| Diatoma tenue C.A. Agardh, 1812 | ''Diatoma elongatum''; | |
| Dictyocha octonaria (Ehr.) | ''Distephanus speculum var. octonarius''; | |
| Dinophysis acuminata Claparède & Lachmann, 1859 | | |
| Dinophysis caudata Saville-Kent, 1881 | ''Dinophysis caudata var. caudata''; | |
| Dinophysis fortii Pavillard, 1923 | | |
| Dinophysis ovum Schütt, 1895 | | |
| Dinophysis sacculus Stein, 1883 | | |
| Dinophysis sphaerica Stein 1883 | | |
| Diploneis smithii (Brébisson in W. Smith) P.T. Cleve, 1894 | | |
| Diplopsalis lenticula Bergh, 1881 | | |
| Distephanus crux | | |
| Distephanus octonarius var. polyactis (Ehrenberg) Glezer | | |
| Distephanus speculum (Ehrenberg) Haeckel, 1887 | | |
| Distephanus speculum f. polyactis (Ehrenberg) Jørgensen | | |
| Ditylum brightwellii (T. West) Grunow in Van Heurck, 1883 | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | ''Coccolithus huxleyi''; | |
| Eucampia cornuta | | |
| Eucampia zodiacus Ehrenberg, 1840 | | |
| Glenodinium paululum Lindemann | | |
| Gonyaulax minima Matzenauer, 1933 | | |
| Gonyaulax polygramma Stein, 1883 | | |
| Gonyaulax spinifera (Claparède & Lachmann, 1859) Diesing, 1866 | | |
| Grammatophora marina (Lyngbye) Kützing, 1844 | | |
| Grammatophora serpentina (Ralfs) Ehrenberg | | |
| Guinardia flaccida (Castracane) Peragallo, 1892 | | |
| Gymnodinium fuscum (Ehrenberg, 1834) Stein, 1883 | | |
| Gymnodinium kowalevskii Pitzik, 1967 | | |
| Gymnodinium paradoxum Schilling, 1891 | | |
| Gymnodinium pygmaeum Lebour, 1925 | | |
| Gymnodinium simplex (Lohmann, 1911) Koifoid & Swezy, 1921 | | |
| Gyrodinium fissum (Levander, 1894) Kofoid & Swezy, 1921 | | |
| Gyrodinium fusiforme Koifoid & Swezy, 1921 | | |
| Gyrodinium pingue (Schütt, 1895) Kofoid et Swezy, 1921 | | |
| Gyrodinium wulffii Schiller, 1933 | | |
| Halosphaera viridis Schmitz | | |
| Helladosphaera cornifera (Schiller, 1913) Kamptner, 1937 | ''Syracosphaera cornifera''; | |
| Hemiaulus hauckii Grunow in Van Heurck, 1882 | | |
| Hemiaulus sinensis Greville, 1865 | | |
| Hermesinum adriaticum O.Zacharias, 1906 | | |
| Heterocapsa triquetra (Ehrenberg, 1840) Stein, 1883 | ''Peridinium triquetrum''; | |
| Hillea fusiformis (Schiller) Schiller, 1925 | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Leptocylindrus minimus Gran, 1915 | | |
| Licmophora flabellata C. Agardh, 1830 | | |
| Lingulodinium polyedrum (Stein, 1883) Dodge, 1989 | ''Gonyaulax polyedra''; | |
| Melosira moniliformis (O.F. Müller) C. Agardh, 1824 | | |
| Meringosphaera mediterranea Lohmann, 1902 | | |
| Mesoporos perforatus (Gran) Lillick 1937 | ''Exuviaella perforata'' and ''Porella perforata''; | |
| Neoceratium candelabrum (Ehrenberg) F.Gómez, D.Moreira & P.López-Garcia, 2001 | ''Ceratium candelabrum var. candelabrum''; | |
| Neoceratium compressum (Gran) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium compressum''; | |
| Neoceratium furca (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium furca var. furca''; | |
| Neoceratium furca var. eugrammum (Ehrenb.) Krachmalny, 2011 | ''Ceratium furca var. eugrammum''; | |
| Neoceratium fusus (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium fusus var. fusus''; | |
| Neoceratium inflatum (Kofoid) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium inflatum''; | |
| Neoceratium lineatum (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium lineatum''; | |
| Neoceratium massiliense (Gourret) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium massiliense''; | |
| Neoceratium pentagonum (Gourret) F.Gomez & P.Lopez-Garcia, 2009 | ''Ceratium pentagonum''; | |
| Neoceratium teres (Kofoid) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium teres''; | |
| Neoceratium trichoceros (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium trichoceros''; | |
| Neoceratium tripos (O.F.Müller) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium tripos var. tripos''; | |
| Neoceratium tripos var. atlanticum (Ostenf.) Krachmalny, 2011 | ''Ceratium tripos var. atlanticum''; | |
| Nitzschia closterium (Ehrenberg) W. Smith, 1853 | | |
| Nitzschia holsatica Hust | | |
| Nitzschia longissima (Brébisson in Kützing) Ralfs in Pritchard, 1861 | | |
| Nitzschia tenuirostris Mer. | | |
| Octactis octonaria (Ehrenberg) Hovasse, 1946 | ''Distephanus speculum var. octonarius''; | |
| Oolithotus fragilis (Lohmann) Martini & C.Müller, 1972 | ''Cyclococcolithus fragilis''; | |
| Oxytoxum parvum Schiller, 1937 | | |
| Oxytoxum variabile Schiller, 1937 | | |
| Oxytoxum viride Schiller, 1937 | | |
| Paralia sulcata (Ehrenberg) P.T. Cleve, 1873 | ''Melosira sulcata''; | |
| Peridinium breve Paulsen | | |
| Peridinium cinctum (O.F.Müller) Ehrenberg | | |
| Petrodictyon gemma (Ehrenberg) D.G. Mann in Round et al., 1990 | ''Surirella gemma''; | |
| Phalacroma rotundata (Claparéde & Lachmann) Kofoid & Michener, 1911 | | |
| Phalacroma sphaeroideum Schiller, 1928 | | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Poropila dubia Schiller, 1925 | | |
| Proboscia alata f. alata (Brightwell) Sündstrom, 1986 | ''Rhizosolenia alata var. alata''; | |
| Pronoctiluca acuta (Lohmann, 1912) Schiller, 1933 | | |
| Pronoctiluca pelagica Fabre-Domerque, 188 | | |
| Prorocentrum compressum (Bailey, 1850) Abé ex Dodge, 1975 | ''Exuviaella compressa''; | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | ''Exuviaella cordata''; | |
| Prorocentrum lima (Ehrenberg, 1860) Stein, 1975 | ''Exuviaella marina''; | |
| Prorocentrum micans Ehrenberg, 1834 | | |
| Prorocentrum obtusum Ostenfeld, 1908 | | |
| Prorocentrum scutellum Schröder, 1900 | | |
| Protoperidinium bipes (Paulsen, 1904) Balech, 1974 | ''Peridinium minusculum''; | |
| Protoperidinium brevipes (Paulsen, 1908) Balech, 1974 | ''Peridinium brevipes''; | |
| Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 | ''Peridinium crassipes''; | |
| Protoperidinium decipiens (Jørgensen, 1899) Parke et Dodge, 1976 | ''Peridinium decipiens''; | |
| Protoperidinium depressum (Bailey, 1850) Balech, 1974 | ''Peridinium depressum''; | |
| Protoperidinium divergens (Ehrenberg, 1841) Balech, 1974 | ''Peridinium divergens''; | |
| Protoperidinium globulus (Stein, 1883) Balech, 1974 | ''Peridinium globulus''; | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | ''Peridinium granii''; | |
| Protoperidinium oceanicum (VanHöffen, 1897) Balech, 1974 | ''Peridinium oceanicum''; | |
| Protoperidinium pentagonum (Gran, 1902) Balech, 1974 | ''Peridinium pentagonum''; | |
| Protoperidinium sinaicum (Matzenauer, 1933) Balech, 1974 | ''Peridinium sinaicum''; | |
| Protoperidinium steinii (Jörgensen, 1899) Balech, 1974 | ''Peridinium steinii''; | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | | |
| Pseudo-nitzschia seriata (P.T. Cleve, 1883) H. & M. Peragallo, 1900 | ''Nitzschia seriata''; | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | ''Rhizosolenia calcar-avis''; | |
| Pterosperma cristatum Schiller, 1925 | | |
| Pyrocystis hamulus Cleve, 1900 | | |
| Pyrocystis noctiluca J. Murray, 1885 ex Haeckel, 1890 | ''Pyrocystis pseudonoctiluca''; | |
| Rhabdonema adriaticum Kützing, 1844 | | |
| Rhabdosphaera claviger Murray & Blackman, 1898 | ''Rhabdosphaera stylifera''; | |
| Rhabdosphaera hispida Lohmann | | |
| Rhabdosphaera tubulosa Schiller | | |
| Rhizosolenia setigera Brightwell, 1858 | | |
| Rhizosolenia styliformis Brightwell, 1858 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | ''Peridinium trochoideum''; | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Striatella delicatula (Kützing) Grunow ex Van Heurck, 1881 | | |
| Striatella unipunctata (Lyngb.) Ag. | | |
| Syracosphaera coronata Schiller | | |
| Syracosphaera pulchra Lohmann | | |
| Syracosphaera spinosa Lohmann | | |
| Tabularia fasciculata (C. Agardh) D.M. Williams & Round, 1986 | ''Synedra tabulata'' and ''Synedra tabulata var. obtusa''; | |
| Thalassionema frauenfeldii (Grunow) Hallegraeff, 1986 | ''Thalassiothrix frauenfeldii''; | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira angulata (Gregory) Hasle, 1978 | ''Thalassiosira decipiens''; | |
| Thalassiosira antiqua (Grunow) Cleve '''†''' | | |
| Thalassiosira coronata Pr.-Lavr., 1955 | | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | | |
| Thalassiosira parva Proshk.-Lavr., 1955 | | |
| Thalassiothrix mediterranea Pavillard | | |