Nitzschia Kurzeana Guide
Credit: Sarah Hamsher
  1. Valves slightly sigmoid
  2. Valves relatively broad
  3. Fibulae irregularly spaced
  4. Fibulae 6.5-8 in 10 µm

Valves are relatively broad and slightly sigmoid. The terminal ends are bluntly rounded. The valve margin and raphe is slightly indented at mid-valve. Fibulae are irregularly spaced, 6.5-8 in 10 µm.