Diatoms of North AmericaDiatoms of North America
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Guide to Diatoma vulgaris

Bory 1824

D Vulgaris Guide
Credit: Marina Potapova, Sarah Spaulding
  1. Valve elliptical to elliptical-lanceolate with rounded subrostrate ends
  2. Valve 8-12 µm wide
  3. Transapical costae 6-10 in 10 µm

Valves elliptical to elliptical-lanceolate with broadly rounded subrostrate apices. Transapical costae visible under LM, striae not visible under LM.