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Category
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Class
Fragilariophyceae
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Order
Fragilariales
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Family
Fragilariaceae
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
Spaulding, S.
(2013).
Punctastriata.
In Diatoms of North America.
Retrieved June 08, 2023, from https://diatoms.org/genera/punctastriata
Araphid
Punctastriata
- Striae composed of net-like areolae
- Spines located on costae
Valves linear elliptic and may possess a central inflation. The striae are composed of a rectangular net of transapical and apical bars. Spines are present at the valve face/mantle junction on the costae, interrupting the striae, or both positions. The spines are variable in form. According to Williams and Round (1987) one apical...