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Guide to Tryblionella hungarica

(Grunow) Freng. 1942

Tryblionella Hungarica Guide
Credit: Pat Kociolek
  1. Valve length 35-100 µm
  2. Ends protracted slightly and bluntly rounded
  3. The longitudinal fold is wide, running the length of the valve
  4. Fibulae distinct, numbering 8-11 in 10 µm

Valves linear, slightly concave in the middle, with the ends protracted slightly and bluntly rounded. Raphe keel with distinct fibulae numbering 8-11 in 10 µm. A longitudinal fold is wide, running the entire length of the valve.