RAMS Taxon list
Ceratoneis closterium Ehrenberg, 1839 (uncertain > unassessed )
Diatoma rhombica E.O'Meara, 1877
Fragilaria brevistriata Grunow, 1885
Fragilaria brevistriata f. brevistriata Grunow in Van Heurck, 1885 (uncertain > unassessed )
Fragilaria islandica Grunow ex Van Heurck, 1881
Fragilaria islandica var. adeliae Manguin, 1960 (uncertain > unassessed )
Fragilaria islandica var. islandica Grunow in Van Heurck, 1881 (uncertain > unassessed )
Fragilaria islandica var. producta Peragallo, 1921 (uncertain > unassessed )
Fragilaria islandica var. stricta Peragallo, 1921 (uncertain > unassessed )
Fragilaria linearis Castracane, 1886 accepted as Fragilariopsis linearis (Castracane) Frenguelli, 1943 accepted as Fragilaria linearis f. linearis Castracane, 1886
Fragilaria linearis f. linearis Castracane, 1886 (uncertain > unassessed )
Fragilaria vanheurckii Peragallo, 1921 (uncertain > unassessed )
Pseudostaurosira brevistriata (Grunow) D.M.Williams & Round, 1987
Synedra fragilis Manguin, 1957 (uncertain > unassessed )
Synedra nitzschioides Maly, 1895 (uncertain > unassessed )
Synedra nitzschioides f. nitzschioides Grunow, 1862 represented as Thalassionema nitzschioides (Grunow) Mereschkowsky, 1902
Synedra reinboldii Van Heurck, 1909 (uncertain > unassessed )
Synedropsis fragilis (Manguin) G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 accepted as Synedra fragilis Manguin, 1957
Synedropsis hyperboreoides G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 (uncertain > unassessed )
Synedropsis laevis (Heiden) G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 accepted as Cymatosira laevis Heiden, 1928
Synedropsis lata G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 (uncertain > unassessed )
Synedropsis recta G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 (uncertain > unassessed )