Diatoms of North AmericaDiatoms of North America
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Guide to Tursiocola gracilis

Frankovich, Ashworth and M.J.Sullivan 2018

Tursicola gracilis guide
  1. Valves linear
  2. Valves long
  3. Pseudosepta deep
  4. Central area with stellate appearance
  5. Apices bluntly rounded

Valves are long and narrow. The septa is deep, covering approximately 2/3 of the valve interior. In light microscopy, the central area is stellate. Apices are bluntly rounded.