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Guide to Stauroneis angustilancea

Lange-Bert. and Metzeltin in Werum and Lange-Bert. 2004

Stauroneis Angustilancea Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Apices narrow, subrostrate
  3. Striae 15-20 in 10 µm
  4. Areolae 14-20 in 10 µm

Stauroneis angustilancea has lanceolate valves up to 125 µm long. Valve apices are narrow and subrostrate. Striae are radiate and number 15-20 in 10 µm. Areolae are relatively coarse and number 14-20 in 10 µm.