HKRMS Taxon list
Minidiscus trioculatus (F.J.R.Taylor) Hasle, 1973 accepted as Coscinodiscus trioculatus F.J.R.Taylor, 1966
Planktoniella blanda (A.Schmidt) E.E.Syvertsen & G.R.Hasle, 1993 (uncertain > unassessed )
Planktoniella sol (C.G.Wallich) Schütt, 1892 accepted as Coscinodiscus sol C.G.Wallich, 1860
Thalassiosira allenii Takano, 1965 (uncertain > unassessed )
Thalassiosira angulata (W.Gregory) Hasle, 1978 accepted as Orthosira angulata Gregory, 1857
Thalassiosira anguste-lineata (A.Schmidt) G.Fryxell & Hasle, 1977 accepted as Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878
Thalassiosira baltica (Grunow) Ostenfeld, 1901
Thalassiosira binata Fryxell, 1977 (uncertain > unassessed )
Thalassiosira condensata Cleve, 1900 (uncertain > unassessed )
Thalassiosira eccentrica (Ehrenberg) Cleve, 1904 (uncertain > unassessed )
Thalassiosira gravida Cleve, 1896
Thalassiosira hyalina (Grunow) Gran, 1897
Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977 (uncertain > unassessed )
Thalassiosira mala Takano, 1965 (uncertain > unassessed )
Thalassiosira minima Gaarder, 1951 (uncertain > unassessed )
Thalassiosira nordenskioeldii Cleve, 1873
Thalassiosira pacifica Gran & Angst, 1931 (uncertain > unassessed )
Thalassiosira profunda (Hendey) Hasle, 1973
Thalassiosira rotula Meunier, 1910 (uncertain > unassessed )
Thalassiosira subtilis (Ostenfeld) Gran, 1900 (uncertain > unassessed )
Thalassiosira tealata Takano, 1980 (uncertain > unassessed )
Thalassiosira tenera Proschkina-Lavrenko, 1961 (uncertain > unassessed )