Encyonema Neogracile Guide
Credit: Loren Bahls
  1. Ventral margin nearly flat
  2. Valves 5-7 µm wide
  3. Striae 12-15 in 10 µm
  4. Apices narrow

Valves are 5-7 µm wide with a nearly flat ventral margin and narrow apices. Striae number 12-15 in 10 µm.