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Category
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Class
Bacillariophyceae
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Order
Naviculales
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Family
Sorted from smallest to largest by maximum length
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Spaulding, S.,
Edlund, M.
(2008).
Hygropetra.
In Diatoms of North America.
Retrieved April 02, 2023, from https://diatoms.org/genera/hygropetra
Symmetric Biraphid
Hygropetra
- Striae broad
- Striae alveolate
- Robust transapical costae
The species in Hygropetra are small in size, with broad, V-shaped striae. The striae are alveolate, or composed of very small pores, in rows of 3-4. A small septum is present. Internally, robust transapical costae are positioned between the striae. The raphe is filiform, with a relatively large gap between proximal raphe ends....