Stauroneis Acidoclinata Guide
Credit: Loren Bahls
  1. Valves linear-lanceolate to linear
  2. Apices abrupt, subrostrate to subcapitate
  3. Proximal raphe ends slightly curved

Stauroneis acidoclinata has linear-lanceolate to linear valves 35-70 ┬Ám long, with abruptly protracted subrostrate to subcapitate apices and curved proximal raphe ends.