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Guide to Pinnularia lailaensis

Foged 1964

Pinnularia lailaensis guide
  1. Valves linear to linear-lanceolate
  2. Apices subrostrate
  3. Fascia rhombic
  4. Central area with rows of pores
  5. Raphe slit curved

Valves are linear to linear-lanceolate, with subrostrate rounded apices. The central area is rhombic, usually widened to a wide fascia, with a row of small puncta-like depressions on each side. The raphe is complex with undulate external slit.

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