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Guide to Neidiomorpha binodiformis

(Krammer) Cantonati, Lange-Bert. and Angely 2010

Neidiomorpha Binodiformis Guide
Credit: Sergio Mendoza
  1. Margins bi-undulate
  2. Apices rostrate
  3. Proximal raphe ends straight
  4. Central area asymmetric

Valves are bi-undulate, with rostrate apices. The proximal raphe ends are straight. The central area is asymmetric and oval.