Photo of <em>Cylindrotheca</em> by Sarka Martinez, Orcas Island

Photo credit: Sarka Martinez, Orcas Island

Phytoplankton of the month — January 2018


Cylindrotheca are solitary pennate diatoms, approximately 30-400μm in length and 2.5-8μm wide. This fusiform shaped cell has narrowing long and thin ends. These ends may curl slightly in either the same or opposite directions. Two chloroplasts are located in the middle of the cell.

Cylindrotheca are cosmopolitan.

For more information see: A Taxonomic Guide to Some Common Marine Phytoplankton, by Rita Horner (Biopress Ltd. 2002

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