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Category
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Class
Bacillariophyceae
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Order
Cymbellales
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Family
Gomphonemataceae
Sorted from smallest to largest by maximum length
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Spaulding, S.
(2015).
Gomphosinica.
In Diatoms of North America.
Retrieved April 02, 2023, from https://diatoms.org/genera/gomphosinica
Asymmetric Biraphid
Gomphosinica
- Valves club-shaped
- Striae composed of 2-3 rows of areolae
- Stigma present
- Internally, stigma covered by hood
- Apical pore field present
Valves are clavate, or club-shaped, in valve view. In girdle view, frustules are cuneate. Striae are composed of 2-3 rows of areolae. Internally, the proximal raphe ends are unilaterally curved. A prominent stigma is present in the central area. Externally, the stigma has a round opening. Internally, the stigma has many small, round...