Diploneis sp. (Figure 64)
Description: Length 51–55 µm, width 23–26 µm (middle), striae 8–10 in 10 µm.
Remarks: This species appears similar to Diploneis interrupta (Kützing) Cleve but with coarser striae and 2–4 longitudinal lines interrupting transapical striae.
Ecology and distribution: Marine species. Rare in Potter Cove.