Diploneis Krammeri Guide2
  1. Valves elliptic to linear-elliptic
  2. Central area round to oval
  3. Striae uniseriate
  4. Striae 11-12 in 10 µm
  5. Longitudinal canals narrow

Valves are elliptic to linear-elliptic. Central area is round to oval. Striae are uniseriate and number 11-12 in 10 µm. Longitudinal canals are narrow.