Diatoms of North AmericaDiatoms of North America
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Guide to Tursiocola bondei

Frankovich, Ashworth and M.J.Sullivan 2018

Tursicola bondei guide
  1. Apices obtusely rounded
  2. Cincture wide
  3. Broad unperforated area in middle of cincture
  4. Proximal raphe ends straight

In valve view, the valves are linear to linear lanceolate. Apices are obtusely rounded. Proximal raphe ends are straight. In girdle view, frustules are broad and rectangular. The center of the cincture is unperforated. Living cells are apochlorotic (lack chlorophyll).