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Guide to Surirella librile

(Ehrenb.) Ehrenb. 1845

Cymatopleura Solea Guide
Credit: Pat Kociolek
  1. Valves broadly linear
  2. Central constriction
  3. Valve face undulate

Valves are broadly linear, with a central constriction. The apices are blunt. The valve face is undulate, with the undulations oriented perpendicular to the apical axis.