Diatoms of North AmericaDiatoms of North America
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Guide to Staurophora amphioxys

(W.Greg.) D.G.Mann 1990

Staurophora Amphioxys Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Apices tapered
  3. Valves 12-18 µm wide

Valves are moderately large and lanceolate, 12-18 µm wide. The apices are gradually tapered and not protracted.