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Guide to Frustulia esandalliae

Bahls 2014

Frustulia Esandalliae Guide
Credit: Loren Bahls
  1. Apices capitate
  2. Central area linear-elliptic
  3. Terminal areas rounded

Valves are large, with capitate apices. The central area is linear-elliptic and 3.0 to 5.1 µm wide. Terminal areas are rounded and lack a prominent porte-crayon.

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