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Guide to Gomphoneis eriensis var. angularis

Kociolek and Stoermer 1988

Gomphoneis Angularis Guide
Credit: Pat Kociolek
  1. Valves trullate
  2. Valve length 34-67 µm
  3. Striae 10-13 in center, 14-16 at poles

Valves trullate, with broadest portion of the valve outline located towards the footpole from the central nodule. Valves are relatively small, 34-67 um in length. Striae number 10-13 in center and 14-16 at the poles.