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 ┬Ám in length) and broadly lanceolate. Apices are apiculate and protracted. Proximal raphe ends are slightly expanded and deflected ventrally.