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Category
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Class
Bacillariophyceae
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Order
Bacillariales
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Family
Nitzschiaceae
Sorted from smallest to largest by maximum length
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Links
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Index Nominum Algarum
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CAS
Kociolek, P.
(2012).
Simonsenia.
In Diatoms of North America.
Retrieved June 10, 2023, from https://diatoms.org/genera/simonsenia
Nitzschioid
Simonsenia
- Raphe within a raised canal
- Raphe positioned on valve margin
- Valve with regularly spaced depressions near margin
Simonsenia is a genus that possesses characters seen in both the Surirellaceae and the Nitzschiaceae. Its valve symmetry and general shape, with the raphe being present on only one valve margin, resembles that of many Nitzschia species. Also, the cribra of the areolae are similar to those in many Nitzschia species. However, its raphe is...