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Guide to Stauroneis amphicephala

Kütz. 1844

Stauroneis Amphicephala Guide
Credit: Loren Bahls
  1. Valves linear-elliptic-lanceolate
  2. Apices rostrate to subcapitate
  3. Stauros bow-tie shaped

Stauroneis amphicephala is a moderately large Stauroneis species with linear-elliptic-lanceolate valves that are wider than 11 µm. The apices are protracted and rostrate, to subcapitate. The stauros is wider at the valve margins forming a bow-tie shape.