Encyonopsis Stodderi Guide
Credit: Loren Bahls
  1. Valves large, lanceolate
  2. Striae 9-13 in 10 µm
  3. Axial area wide
  4. Stigma absent

Valves are large, lanceolate valves and nearly symmetric with regard to the apical axis. The striae are coarse and number 9-13 in 10 µm. The axial area is about one-third the valve width. The central area lacks a stigma.