Stephanopyxis sp.
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| Taxonomic Group: | Diatom |
| Trophic Status: | Autotrophic |
| Size Range: | 15.2-40.0 ?m wide x 53-90 ?m long (LUMCON Guide); 36-57 ?m wide (Cupp 1943, Tomas 1997) |
| Key Characteristics: | Cells circular, oblong, or ellipsoidal with hexagonal areolations; margins rounded with a crown of stout spines or hollow needles that are slightly thickened at the tip; numerous small round chloroplasts |
| Confused With: | |
| Toxin: | None known |