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Guide to Stauroneis phoenicenteron

(Nitzsch) Ehrenb. 1843

Stauroneis Phoenicenteron Guide
Credit: Loren Bahls
  1. Valves lanceolate and large, up to 35 microns wide
  2. Apices rounded
  3. Proximal raphe ends straight
  4. Striae 15-18 in 10 µm

Stauroneis phoenicenteron has large lanceolate valves with rounded ends. Proximal raphe ends are straight. Striae are moderately coarse, but no fewer than 15 in 10 µm.