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Category
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Class
Bacillariophyceae
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Order
Naviculales
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Family
Naviculaceae
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.,
Edlund, M.
(2008).
Navicymbula.
In Diatoms of North America.
Retrieved June 10, 2023, from https://diatoms.org/genera/navicymbula
Asymmetric Biraphid
Navicymbula
- Asymmetry to apical axis slight
- Striae lineolate
- Distal raphe fissures dorsally deflected
The valve outline is very slightly asymmetric to the apical axis, so that valves are nearly naviculoid in appearance. The raphe is positioned in a nearly central position on valve. The distal raphe fissures are deflected dorsally. Each areola is, more specifically, a lineola. Therefore, striae are lineolate. Valves lack apical pore...