Genus: Bacteriastrum | Diatom
Common West Coast species: B. cosmosum, B. hylinum
Order: Biddulphiales
Family: Chaetocerotaceae
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Description: Cylindrical cells bound together by the fusion of numerous setae that are regularly arranged around the cell margin. Cells have numerous small round chloroplasts. Setae are of varying shapes (branched, divided, curved).
Cell Size: Diameter 5-15um
Distribution: Temperate, coastal waters.
IFCB images
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