Eunotia claviceps Hustedt in Schmidt et al., 1913 (original description)
Eunotia didyma f. genuina Hustedt in Schmidt et al., 1913 (original description)
Eunotia didyma var. claviculata Hustedt in Schmidt et al., 1913 (original description)
Eunotia didyma var. curta Hustedt in Schmidt et al., 1913 (original description)
Eunotia didyma var. elegantula Hustedt in Schmidt et al., 1913 (original description)
Eunotia didyma var. elongata (Grunow) Hustedt in Schmidt et al., 1913 accepted as
Eunotia formica var. elongata Grunow, 1865 (new combination reference)
Eunotia didyma var. gibbosa (Grunow) Hustedt, 1913 accepted as
Eunotia gibbosa Grunow, 1881 (new combination reference)
Eunotia didyma var. maxima Hustedt ex Simonsen, 1987 (original description)
Eunotia didyma var. media Hustedt ex Simonsen, 1987 (original description)
Eunotia didyma var. recta Hustedt ex Simonsen, 1987 (original description)
Eunotia didyma var. tuberosa Hustedt in Schmidt et al., 1913 (original description)
Eunotia epithemioides Hustedt in Schmidt et al., 1913 (original description)
Eunotia frickei Hustedt in Schmidt et al., 1913 (original description)
Eunotia frickei f. genuina Hustedt in Schmidt et al., 1913 (original description)
Eunotia frickei var. elongata Hustedt, 1913 (original description)
Eunotia geniculata Hustedt in Schmidt et al., 1913 (original description)
Eunotia globosa Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna f. genuina Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna var. aequalis Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna var. elongata Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna var. globosa Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna var. intermedia Hustedt in Schmidt et al., 1913 (original description)
Eunotia luna var. trapezica Hustedt in Schmidt et al., 1913 (original description)
Eunotia monodon var. constricta Hustedt in Schmidt et al., 1913 (original description)
Eunotia monodon var. undulata Hustedt in Schmidt et al., 1913 (original description)
Eunotia muelleri f. muelleri Hustedt in Schmidt et al., 1913 (original description)
Eunotia papilio f. papilio (Ehrenberg; Grunow in Van Heurck) Hustedt in Schmidt et al., 1913 (new combination reference)
Eunotia prolongata var. prolongata Hustedt in Schmidt et al., 1913 (original description)
Eunotia prolongata var. simplex Hustedt in Schmidt et al., 1913 (original description)
Eunotia pyramidata f. pyramidata Hustedt in Schmidt et al., 1913 (original description)
Eunotia pyramidata var. depressa Hustedt in Schmidt et al., 1913 (original description)
Eunotia rabenhorstii var. maxima Hustedt in Schmidt et al., 1913 (original description)
Eunotia recta Hustedt ex Simonsen, 1987 (original description)
Eunotia reflexa f. minores Hustedt in Schmidt et al., 1913 (original description)
Eunotia reflexa f. reflexa Hustedt in Schmidt et al., 1913 (original description)
Eunotia reicheltii var. bidens Hustedt in Schmidt et al., 1913 (original description)
Eunotia reicheltii var. reicheltii Hustedt in Schmidt et al., 1913 (original description)
Eunotia reicheltii var. triodon Hustedt in Schmidt et al., 1913 (original description)
Eunotia submonodon Hustedt in Schmidt et al., 1913 (original description)
Eunotia subrobusta Hustedt, 1913 (original description)
Eunotia tenella var. tenella (Grunow in Van Heurck) Hustedt in Schmidt et al., 1913 accepted as
Eunotia arcus var. tenella Grunow, 1881 (new combination reference)
Eunotia trigibba Hustedt in Schmidt et al., 1913 (original description)
Eunotia trigibba var. abrupta Hustedt, 1913 (original description)
Eunotia zygodon f. genuina Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. compacta Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. curta Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. depressa Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. elongata Hustedt ex Simonsen, 1987 (original description)
Eunotia zygodon var. emarginata Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. gracilis Hustedt in Schmidt et al., 1913 (original description)
Eunotia zygodon var. lata Hustedt ex Simonsen, 1987 (original description)