Stephanopyxis sp.

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Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:15.2-40.0 μm wide x 53-90 μm long (LUMCON Guide); 36-57 μm 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