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Description:

Merismopedia (mer-is-mo-pea-dee-a) is a blue-green alga or cyanobacterium. The genus is distinguished by the square-packed pattern of the coccoid cells. It is common in sediments, but the number of cells which occur in a colony may vary from only a few to thousands. As a cyanobacterium, the photosynthetic pigments are located throughout the cytoplasm. Differential interference contrast