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| Navicula lyra var. reichelti Heiden in Schmidt et al. 1905 |
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| Navicula oestrupi Heiden in Schmidt et al. 1905 |
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| Navicula oswaldii (o'swaldii) var. visenda Heiden in Schmidt et al. 1905 |
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| Navicula pseudoquadratarea (pseudo-quadratarea) Heiden in Schmidt et al. 1905 |
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| Pinnularia asymmetrica Heiden in Schmidt et al. 1905 |
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| Pinnularia marginostriata (margino-striata) Heiden in Schmidt et al. 1905 |
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| Pinnularia polaris Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea var. dubia Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea f. interrupta Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea (quadratacea, quadrataria) var. capitata Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea (quadratacea, quadrataria) var. circumpolaris Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea (quadratacea, quadrataria) var. latefasciata Heiden in Schmidt et al. 1905 |
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| Pinnularia quadratarea var. cuneata Østrup in Schmidt et al. 1905 |
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