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Guide to Stauroneis thompsonii

Bahls 2012

Stauroneis Thompsonii Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Pseudosepta present
  3. Proximal raphe ends straight
  4. Striae 15-18 in 10 µm

Stauroneis thompsonii has lanceolate valves, 16-24 µm wide, with a pseudoseptum at each apex. Striae number 15-18 and areolae 12-16 in 10 µm.