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Guide to Frustulia latita

Graeff and Kociolek 2011

Frustulia Latita Guide
Credit: Carrie Graeff
  1. Longitudinal ribs incomplete at valve center
  2. Asymmetric central area
  3. Slightly rostrate apices
  4. External proximal raphe ends unilaterally deflected

The internal, longitudinal ribs of F. latita are incomplete in the center of the valve. The central striae are variable in length, creating an asymmetric central area. The valve apices are very slightly rostrate. Externally, the proximal raphe ends are deflected unilaterally.

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