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Guide to Thalassiosira weissflogii

(Grunow) G.A.Fryxell and Hasle 1977

Thalassiosira Weisflogii Guide
Credit: Pat Kociolek
  1. Valves flat
  2. Areolae fine
  3. Prominent rimoportula on valve margin

Valves are flat, with short mantles. Areolae are fine. A single, prominent rimoportula is present on the valve margin.