Encyonopsis Dakotae Guide
Credit: Loren Bahls
  1. Valves linear to linear-lanceolate
  2. Apices capitate
  3. Central area small, asymmetric
  4. Valves >20 µm in length

Valves of E. dakotae are linear to linear-lanceolate with capitate apices. Valves are more than 20 µm in length. The central area is small and asymmetric. Striae number 18-23 in 10 µm.