Heliotheca tamesis
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Taxonomic Group: Diatom
Trophic Status: Autotrophic
Size Range: 70.3-130 μm wide x 88-210 μm long (LUMCON Guide); 26-160 μm wide x 56-120 μm long (Tomas 1997)
Key Characteristics: Cells rectangular in broad girdle view except for occasional areas of torsion in relation to pervalvar axis; numerous chloroplasts that are broadly oval with a slight constriction, each with a pyrenoid
Confused With:
Toxin: None known