Nitzschia Minuta Guide
Credit: Pat Kociolek
  1. Valves with parallel sides
  2. Apices narrowly rounded
  3. Breadth 4.0-5.5 µm
  4. Striae fine but resolvable

Valves with parallel sides, tapering gently to narrowly rounded apices. A central nodule is present. Striae are evident but difficult to count.