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Category
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Class
Bacillariophyceae
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Order
Cymbellales
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Family
Cymbellaceae
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Spaulding, S.,
Edlund, M.
(2008).
Delicata.
In Diatoms of North America.
Retrieved February 03, 2023, from https://diatoms.org/genera/delicata
Asymmetric Biraphid
Delicata
- Valves slightly asymmetric to apical axis
- Terminal raphe fissures deflected to dorsal side
- Raphe lateral
- External expression of foramina variable
Valves are slightly asymmetric to the apical axis and symmetric to the transapical axis. The valve shape is narrow and lanceolate. The raphe is distinctly lateral and becomes reverse-lateral at the center of the valve. The proximal raphe ends are thin. The terminal raphe fissures are deflected toward the dorsal side. Valves lack a...