Encyonopsis Neoamphioxys Guide
Credit: Loren Bahls
  1. Valves distinctly dorsiventral
  2. Apices weakly protracted
  3. Isolated stigma present

Encyonopsis neoamphioxys has distinctly dorsiventral and linear-lanceolate valves with weakly protracted, subrostrate apices. An isolated stigma is present at the end of the short median stria on the dorsal side.