Nitzschia Paleacea Guide
Credit: Pat Kociolek
  1. Valves narrowly linear-lanceolate
  2. Striae not visible in LM
  3. Central nodule present
  4. Apices gradually tapered

Valves are very slender with gradually tapered apices. The striae are very fine and not visible in the LM. A central nodule is present.