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Guide to Tryblionella scalaris

(Ehrenb.) Siver and P.B.Ham. 2005

Tryblionella scalaris guide
  1. Valves very long
  2. Striae parallel, uniseriate
  3. Valve face with longitudinal undulation
  4. Fibulae extend to valve midpoint

Valves are very long and linear. Striae are parallel and uniseriate. A longitudinal undulation is present on the valve face. Fibulae extend to the middle of the valve.

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