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Guide to Envekadea vanlandinghamii

Graeff, Kociolek and Rushforth 2013

Envekadea Pseudocrassirostris Guide
Credit: Sylvia Lee, Bart Van de Vijver
  1. Valves linear with tumid center
  2. Apices rounded
  3. Distal raphe ends terminate in opposite directions
  4. Striae radiate at center valve

Valves are linear, with a tumid center. Apices are rounded. The axial area is narrow at the center and wide at the ends. Externally, the proximal raphe ends are slightly expanded. Distal raphe ends deflect toward opposite sides. Striae are radiate at the center valve and convergent near the apices.