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Guide to Stauroneis fluminopsis

Van de Vijver and Lange-Bert. 2004

Stauroneis Flumiopsis Guide
Credit: Loren Bahls
  1. Valves large, linear-lanceolate
  2. Apices subrostrate
  3. Stauros narrow, nearly rectangular
  4. Proximal raphe ends straight, weakly inflated
  5. Striae and areolae fewer than 19 in 10 µm

Valves are large linear-lanceolate with subrostrate apices. The stauros is narrow and nearly rectangular. Proximal raphe ends are straight and weakly inflated. Striae and areolae are fewer than 19 in 10 µm.