Cymbopleura incerta has lanceolate and distinctly dorsiventral valves with a narrower axial area. Cymbopleura incertiformis has linear elliptic-lanceolate valves and a narrower axial area.
LM scalebar = 10 µm
Length Range
30-61 µm
Width Range
7.6-10.3 µm
Striae in 10 µm
15-17 at the valve center, 18-21 at the ends