Family: Minute form; naked or with sculptured shell; with a single flagellum; often with rhizopods (Kudo, 1966).
Genus: Solitary; plastic or rigid; chromatophore (chloroplast) diffused or branching; with stigma; amoeboid movement (Kudo, 1966). Chromulina-like; reduced reticular parietal chloroplast; extraplastidial stimga for some species; 2 contractile vacuoles (Illustrated Guide, 1985).
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C. sagene
11 x 7-8 μm
Japan, 199?
