| species |
Thalassiosira aculeata Proshkina-Lavrenko, 1956 |
accepted |
| species |
Thalassiosira adamsi Mertz, 1966 |
accepted |
| species |
Thalassiosira adeliae Manguin |
accepted |
| species |
Thalassiosira aestivalis Gran, 1931 |
accepted |
| species |
Thalassiosira affinis Makarova, 1961 |
accepted |
| species |
Thalassiosira allenii Takano, 1965 |
accepted |
| species |
Thalassiosira ambigua O.G.Kozlova, 1962 |
accepted |
| species |
Thalassiosira andamanica A.D.Gedde, 1999 |
accepted |
| species |
Thalassiosira angulata (Gregory, 1857) Hasle, 1978 |
accepted |
| species |
Thalassiosira angustelineata (A.Schmidt) G.Fryxell & Hasle, 1977 |
accepted |
| species |
Thalassiosira annaliae Voltolina, 1971 |
accepted |
| species |
Thalassiosira antarctica Comber, 1896 |
doubtful |
| species |
Thalassiosira antarctica Karsten, 1905 |
accepted |
| species |
Thalassiosira antiqua (Grunow) Cleve |
accepted |
| species |
Thalassiosira atlantica Goryanova, 1958 |
accepted |
| species |
Thalassiosira aurivillii Cleve, 1901 |
accepted |
| species |
Thalassiosira australis M.Peragallo, 1921 |
accepted |
| species |
Thalassiosira baldaufii Boden, 1993 |
accepted |
| species |
Thalassiosira baltica (Grunow) Ostenfeld, 1901 |
accepted |
| species |
Thalassiosira binata Fryxell |
accepted |
| Show more |
