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Guide to Brachysira zellensis

(Grunow) Round and D.G.Mann 1981

Brachysira Zellensis Guide
Credit: Loren Bahls
  1. Valves linear
  2. Central area large
  3. Longitudinal line present

Valves are linear, with bluntly rounded apices. The central area is large. A single, wavy longitudinal line is evident on each side of the raphe. Striae number 30-32 in 10 µm.