Diatoms of North AmericaDiatoms of North America
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Guide to Urosolenia eriensis

(H.L.Sm.) Round and R.M.Crawford 1990

Urosolenia Eriensis Guide
  1. Frustules lightly silicifed
  2. Valves with one long process
  3. Girdle bands curved

Frustules are lightly silicified. Valves have one long extension. Girdle bands are numerous, curved, and arranged in a zig-zag pattern. Cells form resting spores, which may be observed in lake sediments.