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tropidoneis

tropidoneis

Genus: Tropidoneis | Diatom

Common West Coast species: T. antarctica

Order: Naviculales

Family: Naviculaceae

Description: Solitary cells. Elliptical or slightly constricted in the center in valve view. Chloroplasts rod-like and numerous, radiating from central nucleus.

Cell Size: 160-350 um

Distribution: Common in Puget Sound in the summer, occasionally found in California waters.

Note: The genus name Tropidoneis has been rejected or reclassified by several sources. Possible synonyms include Plagiotropis, Membraneis, and Navicula.

IFCB images

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