Diatoms of North AmericaDiatoms of North America
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Guide to Gomphoneis eriense

(Grunow) Skvortzov in Skvortzov and Meyer 1928

Gomphoneis Eriense Guide
Credit: Pat Kociolek
  1. Larger valves lanceolate-clavate and angular
  2. Longitudinal lines distinct
  3. Single, distinct stigma present in the central area

Larger valves are lanceolate-clavate and angular, with a slightly protracted headpole and broadly rounded footpole. The raphe is lateral and undulate. Longitudinal lines are distinct and positioned near the axial area. A single, distinct stigma is present in the central area.