Plagiotropis
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Category
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ClassBacillariophyceae
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OrderNaviculales
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FamilyPlagiotropidaceae
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Type SpeciesPlagiotropis baltica Pfitzer
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ContributorSarah Spaulding, Mark Edlund - Dec 2008
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ReviewerSam Rushforth - Jun 2010
Displaying 2 of 2 species
Sorted from smallest to largest by maximum length
Citations & Links
Citations
Links
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Index Nominum Algarum
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CAS
Cite This Page
Spaulding, S., Edlund, M. (2008). Plagiotropis. In Diatoms of North America. Retrieved May 01, 2026, from https://diatoms.org/genera/plagiotropis?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Symmetric Biraphid
Plagiotropis
- Valves lanceolate, poles narrow to pointed
- Valve face folded, forming prominent apical "lines" on either side of the raphe
- Raphe raised and positioned within a keel
The valve margins of Plagiotropis are lanceolate with narrow poles. The valve face is folded, with folds appearing as lines on either side of the raphe. The raphe itself is raised above the valve face and positioned within a keel. The axial area is narrow and the central area is variable in shape. Striae are parallel and composed of...