Cymbopleura Incertiformis Laterostrata Guide
Credit: Loren Bahls
  1. Valves linear-lanceolate
  2. Valves barely dorsiventral
  3. Apices subrostrate to broadly cuneate
  4. Axial area narrow

Cymbopleura incertiformis var. laterostrata has linear-lanceolate valves that are nearly symmetric, that is, barely dorsiventral. The apices are subrostrate to broadly cuneate. The axial area is narrow.