SPECIES starting with "o"

 

Oxyneis binalis

Tabellaria binalis

  1. Valves panduriform
  2. Septa present
  3. Apices broady rounded

Araphid - Valves are small and panduriform, with broadly rounded apices. Septa are present.


Oxyneis binalis var. elliptica

  1. Valves elliptic
  2. Septa present
  3. Stria parallel to slightly radiate

Araphid - Valves small and elliptic. Striae are parallel at the valve center, becoming radiate at the apices.