Chaetoceros didymus

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Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:19-22.5 μm wide (LUMCON Guide); 12-34 μm wide (Cupp 1943, Horner 2002); 10-40 μm wide (Tomas 1997)
Key Characteristics:Setae arise from corners of cells, crossing at their base or sometimes far outside the chain; valves with a semicircular protuberance in the center; two chloroplasts per cell, pressed against the valves, each with a pyrenoid located in the protuberance
Confused With:
Toxin:None known