Hustedt in A. Schmidt 1924      Category: Nitzschioid
TYPE SPECIES: Cymbellonitzschia minima Hustedt in A. Schmidt




Image Credit: Pat Kociolek

CLASS: Bacillariophyceae
  ORDER: Bacillariales
    FAMILY: Bacillariaceae

  1. Valves slightly to strongly asymmetric to the apical axis
  2. Raphe positioned on ventral margin
  3. Cells small

Cymbellonitzschia possesses a raphe on the ventral margin of the valve, similar to the genus Nitzschia. In contrast to Nitzschia, however, the valves of Cymbellonitzschia are slightly to strongly asymmetric to the apical axis. The striae are uniseriate. The cells of Cymbellonitzschia are small.

Cymbellonitzschia is an uncommon genus that grows on sand and sediment surfaces.

Cite This Page:
Edlund, M., and Spaulding, S. (2008). Cymbellonitzschia. In Diatoms of the United States. Retrieved April 26, 2018, from

Contributor: Mark Edlund | Sarah Spaulding - December 2008
Reviewer: Sam Rushforth - May 2010