Taxonomic Group: | Diatom |
Trophic Status: | Autotrophic |
Size Range: | 9.5-12.5 μm wide (LUMCON Guide); 7-30 μm wide (Cupp 1943, Tomas 1997); 14-15 μm wide (Rines and Hargraves (1988) |
Key Characteristics: | Colonies C-shaped with adjacent cells touching at corners; moderately stiff setae arise from corners of cells and are all bent toward the outside of the curved axis; one chloroplast |
Confused With: | Chaetoceros debilis, which also has spirally twisted chains and outward directed setae, but has a smaller radius of curvature and tends to look more hairy because of thinner setae |
Toxin: | None known |
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