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Guide to Navicula cryptofallax

Lange-Bert. and G.Hofm. 1993

Navicula Cryptofallax Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Apices narrow, subrostrate
  3. Central area small and variable in shape with irregular margins
  4. Proximal raphe ends weakly expanded
  5. Striae strongly radiate near valve center

Navicula cryptofallax is a small Navicula with lanceolate valves and narrow subrostrate apices. The central area is small and variable in shape with irregular margins. Proximal raphe ends are weakly expanded and the striae are strongly radiate near the center of the valve.