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Guide to Stauroneis akamina

Bahls 2010

Stauroneis Akamina Guide
Credit: Loren Bahls
  1. Areolae oblong and irregularly spaced
  2. Valves lanceolate, large
  3. Apices rostrate to subcapitate
  4. Proximal raphe ends straight

Stauroneis akamina has oblong areolae that are irregularly spaced. Valves are lanceolate and range from 63 to 140 µm long. Apices are rostrate to subcapitate. Proximal raphe ends are straight and not expanded.