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Guide to Navicula aurora

Sovereign 1958

Navicula Aurora Guide
Credit: Loren Bahls
  1. Large elliptic-lanceolate valves
  2. Central area transversely rectangular
  3. Proximal raphe ends triangular
  4. Terminal striae straight

Navicula aurora has large elliptic-lanceolate valves. Valve ends are broadly rounded and slightly protracted. The central area is transversely rectangular with rounded margins. Proximal raphe ends are triangular and deflected slightly toward the secondary side. Terminal striae are straight, not bent.

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