Rhizosolenia setigera
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| Taxonomic Group: | Diatom |
| Trophic Status: | Autotrophic |
| Size Range: | 7.6-25 μm wide (LUMCON Guide); 4-20 μm wide (Cupp 1943, Horner 2002) |
| Key Characteristics: | Cells rod-like and conical with a cylindrical apical process that is thickened for some distance from base, then narrowing to a very long, fine, straight, spine; no otaria; numerous small chloroplasts |
| Confused With: | |
| Toxin: | None known |