Achnanthes biceps Hustedt, 1959 (original description)
Achnanthes brockmannii Hustedt, 1959 (original description)
Achnanthes suchlandtii var. robusta Hustedt, 1959 (original description)
Amphiprora splendida Hustedt, 1959 (original description)
Amphiprora subcostata Hustedt, 1959 (original description)
Caloneis visurgis Hustedt, 1959 accepted as
Olifantiella visurgis (Hustedt) C.E.Wetzel & Ector (original description)
Diploneis dimorpha Hustedt, 1959 (original description)
Fragilaria oldenburgiana Hustedt, 1959 (original description)
Nitzschia aestuarii var. aestuarii Hustedt, 1959 (original description)
Nitzschia behrei Hustedt, 1959 (original description)
Nitzschia graciloides Hustedt, 1959 (original description)
Nitzschia hoehnkii Hustedt, 1959 (original description)
Nitzschia translucida Hustedt, 1959 (original description)
Nitzschia tryblionella f. subconstricta (Hustedt in Schmidt et al.) Hustedt, 1959 (new combination reference)