Taxonomic Group: | Diatom |
Trophic Status: | Autotrophic |
Size Range: | 14-85 μm wide (Cupp 1943); 25-100 μm wide x 80-130 μm long (Tomas 1997) |
Key Characteristics: | Cell elongate; valve with a strong central siliceous hollow spine and a marginal ridge strengthened by ribs; chloroplasts small and numerous |
Confused With: | |
Toxin: | None known |
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