Stauroneis Pikuni Guide
Credit: Loren Bahls
  1. Valves lanceolate to rhombic-lanceolate
  2. Apices capitate
  3. Striae continuous next to central area
  4. Areolae round to transapically oblong

Stauroneis pikuni has rhombic-lanceolate valves 53-64 ┬Ám long, with capitate apices. Striae are continuous near the central area, that is, hyaline areas are lacking.The areolae are round to transapically oblong and irregularly spaced.