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Guide to Navicula eileeniae

Potapova and Ciugulea 2019

Navicula Eileenii Guide
  1. Apices wedge-shaped, obtusely rounded
  2. Central area small, rhombic to rounded
  3. Striae strongly radiate, bent in valve center
  4. Striae alternate, long and short in valve center
  5. Proximal external raphe slits undulate

Valves are lanceolate, with wedge-shaped and obtusely rounded apices. The central area is small, symmetric, and rhombic to rounded. Striae are strongly radiate, and bent in the valve center. Striae are parallel at the ends. Long and short striae alternate in the central part of the valve. The proximal part of the external raphe slits are undulate.

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