Genus: Detonula | Diatom

Common West Coast species: D. pumila

Order: Biddulphiales

Family: Thalassiosiraceae

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Description: Cells join together in mainly straight, stiff chains by short processes and mucilage threads. Numerous girdle bands.

Cell Size: Diameter (apical axis) 15-40um

Distribution: Neritic, cosmopolitan, preference for warmer waters.

Synonym: Detonula pumila = Schroederella delicatula

IFCB images