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Guide to Diploneis elliptica

(Kütz.) Cleve 1894

Diploneis Elliptica Guide
Credit: Brina Kamae
  1. Valves elliptic
  2. Central area large, round
  3. Striae radiate
  4. Striae uniseriate

Valves are elliptic. The central area is large and round. Striae are radiate throughout, becoming more strongly radiate near the apices. Striae are uniseriate. Most specimens have a single row of areolae along the longitudinal canal, but in some specimens there may be two rows of areolae.