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Guide to Surirella crumena

Bréb. ex Kütz. 1849

Surirella Crumena Guide
Credit: Loren Bahls
  1. Valves nearly circular
  2. Fibula density 3.5-5 in 10 µm

Valves are nearly circular, with broadly rounded apices. Valves lack a distinct axial area and transverse ribs. Fibulae number 3.5-5 in 10 µm.

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