| Species | as Species | Doubtful |
|---|
Connected successfully| Achnanthes longipes Agardh, 1824 | | |
| Amphora hyalina Kützing, 1844 | | |
| Ankistrodesmus falcatus (Corda) Ralfs, 1848 | | |
| Cerataulina pelagica (Cleve) Hendey, 1937 | | |
| Chaetoceros curvisetus P.T. Cleve, 1889 | | |
| Chaetoceros peruvianus Brightw. | | |
| Chaetoceros simplex Ostenfeld, 1901 | | |
| Cocconeis scutellum (Grunow in Van Heurck) P.T. Cleve, 1896 | | |
| Coscinodiscus granii Gough, 1905 | | |
| Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 | | |
| Coscinodiscus radiatus Ehrenberg, 1841 | | |
| Cyclotella caspia Grunow, 1878 | | |
| Cylindrotheca closterium (Ehrenberg) Reiman & Lewin, 1964 | | |
| Dactyliosolen fragilissimus (Bergon) G. R. Hasle, 1991 | | |
| Dictyocha speculum Ehrenberg | | |
| Diploneis notabilis (Grev.) Cleve, 1894 | | |
| Ebria tripartita (Shumann) Lemmermann, 1899 | | |
| Emiliania huxleyi (Lohmann) Hay & Mohler, 1967 | | |
| Entomoneis paludosa (W. Smith) Reimer, 1975 | ''Amphiprora paludosa''; | |
| Eutreptia lanowii Steuer, 1904 | | |
| Glenodinium paululum Lindemann | | |
| Gymnodinium wulffii Schiller, 1933 | | |
| Hyalodiscus scoticus (Kützing) Grunow, 1879 | | |
| Leptocylindrus danicus P.T. Cleve, 1889 | | |
| Melosira moniliformis (O.F. Müller) C. Agardh, 1824 | | |
| Navicula pennata A. Schmidt, 1876 | | |
| Neoceratium furca (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium furca''; | |
| Neoceratium fusus (Ehrenberg) F.Gomez, D.Moreira & P.Lopez-Garcia, 2009 | ''Ceratium fusus''; | |
| Nitzschia tenuirostris Mer. | | |
| Oocystis elliptica West, 1892 | | |
| Planktolyngbya limnetica (Lemmermann) J.Komárková-Legnerová & G.Cronberg | ''Lyngbya limnetica''; | |
| Pleurosigma elongatum W. Smith, 1852 | | |
| Proboscia alata (Brightwell) Sundström, 1986 | | |
| Prorocentrum cordatum (Ostenfeld, 1901) Dodge, 1975 | | |
| Protoperidinium crassipes (Kofoid, 1907) Balech, 1974 | | |
| Protoperidinium granii (Ostenfield, 1906) Balech, 1974 | | |
| Pseudo-nitzschia delicatissima (P.T. Cleve, 1897) Heiden, 1928 | | |
| Pseudosolenia calcar-avis (Schultze) Sundström, 1986 | | |
| Scenedesmus acuminatus (Lagerheim) Chodat, 1902 | | |
| Scenedesmus quadricauda (Turpin) Brébisson in Brébisson & Godey, 1835 | | |
| Scrippsiella trochoidea (Stein, 1883) Balech ex Loeblich III, 1965 | | |
| Skeletonema costatum (Greville) P.T. Cleve, 1878 | | |
| Thalassionema nitzschioides (Grunow, 1862) Van Heurck, 1896 | | |
| Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904 | | |
| Thalassiosira parva Proshk.-Lavr., 1955 | | |