Cymbopleura Subaequalis Guide
Credit: Loren Bahls
  1. Valves lanceolate to elliptic-lanceolate, slightly dorsiventral
  2. Apices weakly protracted

Cymbopleura subaequalis has lanceolate to elliptic-lanceolate valves, with arched dorsal and ventral margins and weakly protracted apices. Valves are somewhat dorsiventral.