Diatoms of North AmericaDiatoms of North America
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Guide to Cymbella lanceolata

(C.Agardh) C.Agardh 1830

Cymbella Lanceolata Guide
Credit: Loren Bahls
  1. Valves long, slender
  2. Proximal raphe ends recurved
  3. Distal raphe fissures strongly deflected

Valves are long and slender. Externally, the proximal raphe ends are strongly recurved. Distal raphe fissures are deflected dorsally at nearly 90 degrees. Stigmata are absent.