Cymbopleura Naviculiformis Guide
Credit: Loren Bahls
  1. Valves elliptic-lanceolate, moderately dorsiventral
  2. Central area large and rounded
  3. Areolae very fine
  4. Raphe lateral

Cymbopleura naviculiformis has moderately dorsiventral, elliptic-lanceolate valves with a large rounded central area. The raphe is lateral and the areolae are very fine, about 35 in 10 ┬Ám.