Nupela Potapovae Guide
Credit: Loren Bahls
  1. Valves slightly asymmetric to apical axis
  2. Apices capitate
  3. Four depressions in central area

Valves are linear-lanceolate with capitate ends and slightly asymmetric to the apical axis. Four distinct spots (depressions) are present in the in the central area, near the proximal raphe ends.