Plumosigma
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Category
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ClassBacillariophyceae
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OrderNaviculales
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FamilyIncertae sedis
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Type SpeciesPlumosigma rimosum Nemoto
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Contributor
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Citations & Links
Citations
Links
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Index Nominum Algarum
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DiatomBase
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CAS
Cite This Page
Sullivan, M., Majewska, R., Frankovich, T. (2025). Plumosigma. In Diatoms of North America. Retrieved June 20, 2025, from https://diatoms.org/genera/plumosigma
Symmetric Biraphid
Plumosigma
- Valve margin slightly sigmoid
- Valves lightly silicified
- Raphe-sternum thickened, raised internally
- Solea present at valve apex
- Distal raphe ends deflected in opposite directions
Species in the genus Plumosigma
occur epizoically on cetaceans in temperate to polar marine waters.
Cells are attached adnately to the skin of the animal in circular patches. Cells are solitary, isovalvar, and lightly silicified. There are no reports of the living cells in the literature. According to AlgaeBase, there are 2 valid...