Coscinodiscus
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Category
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ClassCoscinodiscophyceae
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OrderCoscinodiscales
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FamilyCoscinodiscaceae
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Type SpeciesCoscinodiscus argus
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ContributorTom Frankovich - Jan 2022
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1 Additional Coscinodiscus species
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Biodata Reference
Coscinodiscus centralis
Citations & Links
Citations
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Publication Link: 10.2307/1220506
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Publication Link: 10.1515/botm.1988.31.4.359
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Publication Link: 10.1080/0269249X.1992.9705196
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Publication Link: 10.1515/botm.1986.29.4.305
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Publication Link: 10.1016/j.pnsc.2017.04.019
Links
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Index Nominum Algarum
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DiatomBase
Cite This Page
Frankovich, T. (2022). Coscinodiscus. In Diatoms of North America. Retrieved June 12, 2025, from https://diatoms.org/genera/coscinodiscus
Centric
Coscinodiscus
- Valves circular
- Areolae radiate from central annulus
- Areolae loculate
- Rimoportulae present
The frustules of extant Coscinodiscus
species are discoid, barrel-shaped, or slightly eccentric in girdle view. Cells occur singly except immediately following division and can be quite large (up to 500 µm in diameter). The valve face is flat or lens-shaped, with radiate areolae that extend from a central annulus. The areolae are...