Diatoms of North AmericaDiatoms of North America
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Guide to Craticula subminuscula

(Manguin) C.E.Wetzel and Ector 2015

N Subminuscula Guide
Credit: Marina Potapova
  1. Valves elliptic-lanceolate
  2. Axial area narrow, thickened
  3. Central area absent
  4. Striae punctate

Valves elliptic-lanceolate and relatively small in size. The axial area is thickened, and may appear raised above the valve face. Valves lack a distinct central area. Striae are punctate and areolae may be visible in LM.