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Category
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Class
Bacillariophyceae
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Order
Eunotiales
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Family
Eunotiaceae
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Type Species
Actinella punctata Lewis
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.
(2009).
Actinella.
In Diatoms of North America.
Retrieved June 08, 2023, from https://diatoms.org/genera/actinella
Eunotioid
Actinella
- Valves distinctly asymmetric
- Raphe highly reduced
- Helictoglossae distinct
- Spines present
Cells of Actinella grow singly, or in small colonies that are joined by mucilage secreted at the narrow ends of the cells. Valves are distinctly asymmetric to the apical and transapical axes. The raphe is highly reduced and is restricted to the ventral margins of valves. Helictoglossae are distinct as dark, silicious thickenings on the...