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Guide to Eunotia serra

Ehrenb. 1837

Eunotia Serra Guide
Credit: Loren Bahls
  1. Valves very large
  2. Dorsal and ventral margins highly arched
  3. Dorsal margin with 6 to 22 undulations

Eunotia serra has very large valves with highly arched dorsal and ventral margins. The dorsal margin has 6 to 22 bluntly pointed and evenly spaced undulations.