Cymbopleura Lapponica Guide
Credit: Loren Bahls
  1. Valves rhombic-lanceolate
  2. Proximal raphe ends deflected ventrally
  3. Terminal fissures curved dorsally
  4. Central area relatively small

Cymbopleura lapponica has rhombic-lanceolate valves 7-10 ┬Ám wide. The central area is relatively small. Proximal raphe ends are deflected ventrally. The terminal fissures are curved to the dorsal side.