Sellaphora Wallacei Guide
Credit: Marina Potapova
  1. Valves linear
  2. Striae not visible in LM
  3. Central area small
  4. Polar bars present

Valves are linear with rostrate to subcapitate ends. Valves are 4.1-4.7 ┬Ám wide. The central area is very small. Striae are radiate, and may only be distinguishable near the central area. Polar bars are present at the apices.