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Guide to Pinnularia bigibba

E.E.Gaiser and J.Johansen 2000

Pinnularia bigibba guide
  1. Valves with undulate margins
  2. Center valve constricted
  3. Apices capitate
  4. Central area with transverse fascia

Valves are linear, with undulate margins and a constricted center. The apices are subcapitate to capitate and the central area contains a transverse fascia.

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