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Guide to Gomphoneis herculeana var. abundans

Kociolek and Stoermer 1988

Gomphoneis Abundans Guide
Credit: Pat Kociolek
  1. Valves linear-clavate
  2. Longitudinal lines positioned approximately one-half the distance between the axial area and margin
  3. Length 76-160 µm, breadth 16-25 µm

Valves linear-clavate. Valve length 76-160um, valve breadth 16-25um. Longitudinal lines are positioned approximately one-half the distance between the axial area and margin.