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Guide to Sellaphora subbacillum

(Hust.) Falasco and Ector 2009

Sellaphora subbacillum guide
  1. Valves linear to linear-elliptic with rounded apices
  2. Central area small, circular
  3. Striae radiate

Valves are broadly linear to linear-elliptic in outline. The central area is small, circular, and almost absent in some specimens. Striae are radiate. Grooves and conopea are present, but are difficult to resolve in LM.

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