Cymbella Neocistula Guide
Credit: Carrie White
  1. Striae distinctly punctate
  2. Ventral stigmata 3-5
  3. Raphe complex
  4. Areolae 16-22 in 10 µm

Striae distinctly punctate, slightly radiate. Usually 3-5 stigmata are present (occasionally 2), each located at the end of a ventral stria in the central area. The central area is small and round. The raphe is reverse lateral. Areolae number 16-22 in 10 µm.