Eunotia aequalis Hustedt in Schmidt et al., 1913 (original description)
Eunotia alpina (Nägeli) Hustedt, 1913 accepted as
Synedra alpina var. alpina Naegeli in Kützing, 1849 (new combination reference)
Eunotia bidentula var. elongata F.Hustedt ex Simonsen, 1987 (original description)
Eunotia chilensis Hustedt in Schmidt, 1913 (original description)
Eunotia clavata Hustedt in Schmidt et al., 1913 (original description)
Eunotia compacta Hustedt ex R. Simonsen, 1987 accepted as
Eunotia exigua var. compacta Hustedt, 1930 (original description)
Eunotia didyma var. inflata Hustedt in Schmidt et al., 1913 (original description)
Eunotia eruca Hustedt in Schmidt et al., 1913 (original description)
Eunotia incurvata Hustedt in Schmidt et al., 1913 (original description)
Eunotia rostellata Hustedt, 1913 (original description)
Eunotia sudetica var. bidens Hustedt in Schmidt et al., 1913 (original description)
Eunotia tautoniensis Hustedt, 1913 (original description)
Eunotia tenuis Hustedt in Schmidt et al., 1913 (original description)
Eunotia thumii Hustedt in Schmidt et al., 1913 (original description)
Eunotia truncata Hustedt in Schmidt et al., 1913 (original description)
Fragilaria harrisonii var. amphitetras (Grunow ex Heribaud) Hustedt in Schmidt et al., 1913 accepted as
Staurosira harrisonii var. amphitetras Grunow, 1882 (new combination reference)
Fragilaria longissima Hustedt, 1913 (original description)
Fragilaria pinnata f. lancettula (Schumann) Hustedt, 1957 accepted as
Fragilaria lancettula Schumann, 1867 (new combination reference)
Fragilaria pinnata var. trigona (Brun & Héribaud-Joseph) Hustedt, 1913 accepted as
Fragilaria pacifica var. trigona Brun & Héribaud-Joseph, 1893 accepted as
Staurosirella pinnata var. trigona (Brun & Héribaud-Joseph) M.Aboal & P.C.Silva, 2004 (new combination reference)
Fragilaria sublineata Hustedt ex Simonsen, 1987 (original description)
Fragilaria virescens f. elliptica Hustedt in Schmidt et al., 1913 (original description)
Fragilariopsis antarctica var. antarctica (Castracane) Hustedt in Schmidt et al., 1913 accepted as
Fragilaria antarctica f. antarctica Castracane, 1886 (new combination reference)
Gomphocymbella ruttneri Hustedt, 1913 † (original description)
Pinnularia socialis (T.C.Palmer) Hustedt, 1913 accepted as
Navicula socialis T.C.Palmer, 1910 (new combination reference)
Rhopalodia novaezealandiae var. novaezealandiae Hustedt in Schmidt et al., 1913 (original description)
Stauroneis schroederi f. schroederi Hustedt in Schmidt et al., 1913 (original description)
Surirella dumae Hustedt in Schmidt et al., 1913 (original description)
Surirella obscura Reichelt ex Hustedt in Schmidt et al., 1913 (original description)
Surirella scutum Reichelt in Schmidt et al., 1913 (original description)
Surirella septentrionalis Hustedt in Schmidt et al., 1913 (original description)
Surirella submarina Hustedt in Schmidt et al., 1913 (original description)
Surirella tenuissima Hustedt in Schmidt et al., 1913 (original description)
Synedra pulchella var. lacerata Hustedt, 1926 accepted as
Fragilaria pulchella var. lacerata (Hustedt) Kharitonov, 2005 (original description)
Synedra pulchella var. minuta Hustedt in Schmidt et al., 1913 (original description)
Tetracyclus javanicus Hustedt, 1931 (original description)
Tetracyclus rostratus Hustedt in Schmidt et al., 1913 (original description)