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Category
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Class
Coscinodiscophyceae
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Order
Coscinodiscales
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Family
Coscinodiscaceae
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Type Species
Coscinodiscus argus
Sorted from smallest to largest by maximum length
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Citations
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Xing, Y., Yu, L., Wang, X., Jia, J., Liu, Y., He, J. and Jia, Z. (2017) Characterization and analysis of Coscinodiscus genus frustule based on FIB-SEM. Progress in Natural Science: Materials International 27: 391-395
Links
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Index Nominum Algarum
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DiatomBase
Frankovich, T.
(2022).
Coscinodiscus.
In Diatoms of North America.
Retrieved February 03, 2023, 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...