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Guide to Tryblionella brunoi

(Lange-Bert.) Cantonati and Lange-Bert. 2017

Tryblionella Brunoi Guide
  1. Valves large
  2. Apices wedge-shaped
  3. Striae coarse

Valves are linear, with wedge-shaped ends. The keel is eccentric with indistinct fibulae. Striae are parallel and distinctly punctate, 11-12 in 10 µm.