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Guide to Sellaphora stroemii

(Hust.) H.Kobayasi in Mayama et al. 2002

Sellaphora stroemii guide
  1. Apices slightly subcapitate in larger specimens
  2. Raphe with grooves on both sides
  3. Central area small
  4. Striae slightly radiate

Valves are linear to linear-elliptic. Ends are broadly rounded to slightly subcapitate in larger specimens. The axial area is linear, bordered by grooves, and partially covered by a conopeum. The central area is small and rounded. Striae are slightly radiate throughout most of the valve.

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