Brevisira
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Category
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ClassCoscinodiscophyceae
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OrderMelosirales
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FamilyMelosiraceae
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Type SpeciesBrevisira arentii Krammer
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ContributorSarah Spaulding, Mark Edlund - Jan 2009
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ReviewerSam Rushforth - Apr 2010
Displaying 0 of 0 species
Sorted from smallest to largest by maximum length
Citations & Links
Links
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CAS
Cite This Page
Spaulding, S., Edlund, M. (2009). Brevisira. In Diatoms of North America. Retrieved May 01, 2026, from https://diatoms.org/genera/brevisira?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Centric
Brevisira
- Valve face with central areolate area surrounded by radiating striae
- Rimoportulae or fultoportulae absent
- Valve margins with small, tapered spines
Brevisira is a centric diatom, with central areolae surrounded by radiating striae on the valve face. In contrast to many centric genera, Brevisira lacks both rimoportulae and fultoportulae. The frustules of Brevisira are small, with small tapered spines on the valve margins. Within a single frustule, one valve face may be concave, while...