Diatoms of North AmericaDiatoms of North America
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Guide to Stauroneis heinii

Lange-Bert. and Krammer 1999

Stauroneis Heinii Guide
Credit: Loren Bahls
  1. Valves large, lanceolate
  2. Apices subrostrate
  3. Axial area 3 times wider than raphe
  4. Stauros moderately wide
  5. Proximal raphe ends somewhat curved, dilated

Stauroneis heinii has large lanceolate valves with subrostrate apices. The axial area is about three times wider than the raphe and the central area is moderately wide. Proximal raphe ends are somewhat curved and dilated.