Diadesmis
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Category
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ClassBacillariophyceae
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OrderNaviculales
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FamilyDiadesmidaceae
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Type SpeciesDiadesmis confervacea Kütz.
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ContributorSarah Spaulding, Mark Edlund - Dec 2008
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ReviewerSam Rushforth - May 2010
Displaying 1 of 1 species
Sorted from smallest to largest by maximum length
6 Additional Diadesmis species
Click species name to copy BioData reference to the clipboard
Biodata Reference
Diadesmis confervacea fo. rostrata
Biodata Reference
Diadesmis contenta var. biceps
Biodata Reference
Diadesmis contenta var. parallela
Biodata Reference
Diadesmis gallica
Biodata Reference
Diadesmis laevissima
Biodata Reference
Diadesmis templiniana
Citations & Links
Citations
Links
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Index Nominum Algarum
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CAS
Updates
Mar 27, 2015 - Change in genus concept
In 2014, Lowe et al. published a new genus, Humidophila to include a large number of species that had been included in the genus Diadesmis. The page for Diadesmis has been edited to reflect the new, narrower concept of the type of D. confervacea. - S. Spaulding
Cite This Page
Spaulding, S., Edlund, M. (2008). Diadesmis. In Diatoms of North America. Retrieved May 01, 2026, from https://diatoms.org/genera/diadesmis?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Symmetric Biraphid
Diadesmis
- Areolae elongate
- Frustules small, usually less than 20 µm
- Cells form band-like colonies
Diadesmis is biraphid, although the raphe often becomes secondarily filled with silica. Frustules of Diadesmis are small, usually less than 20 µm in length. The striae are composed of areolae elongated in the transapical direction, a characteristic that may be difficult to discern in the LM. Frustules form band-like colonies, which may...