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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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Citations
Kociolek, J.P., Laslandes, B., Bennett, D., Thomas, E., Brady, M. and Graeff, C. (2014) Diatoms of the United States 1: Taxonomy, Ultrastructure and Descriptions of New Species and Other Rarely Reported Taxa from Lake Sediments in the Western U.S.A. Bibliotheca Diatomologica 61, J. Cramer, Stuttgart.
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Links
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Index Nominum Algarum
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CAS
Spaulding, S.,
Edlund, M.
(2008).
Playaensis.
In Diatoms of North America.
Retrieved June 10, 2023, from https://diatoms.org/genera/playaensis
Symmetric Biraphid
Playaensis
- Raphe bordered by prominent longitudinal rib
- Valves panduriform with marginal spines
- Valves less than 40 µm in length
Frustules of Playaensis are small in size, less than 40 µm in length. Valves are panduriform in shape and the valve margins are ornamented with small, fin-like spines. Striae are uniseriate and punctate. The raphe is bordered on both sides by a longitudinal rib. Internally, this rib is visible as a broad structure. Externally, the...