Diatoms of North AmericaDiatoms of North America
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Guide to Cymbella designata

Krammer 1985

Cymbella Designata Guide
Credit: Loren Bahls
  1. Valves broadly lanceolate
  2. Apices apiculate and protracted
  3. Proximal raphe ends slightly expanded and deflected

Valves are small (20-40 µm in length) and broadly lanceolate. Apices are apiculate and protracted. Proximal raphe ends are slightly expanded and deflected ventrally.