Diatoms of North AmericaDiatoms of North America
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Guide to Navicula antonii

Lange-Bert. 2000

Navicula Antonii Guide3
Credit: Sarah Spaulding
  1. Valve lanceolate
  2. Axial area narrow
  3. Central area small, irregular to oval
  4. Striae radiate and curved at midvalve, becoming parallel or convergent near poles

Navicula antonii is characterized by its lanceolate shape and curved striae. The axial area is narrow, widening only slightly at the central area. The central area is often irregular but may be distinctly ovate.