Navicula sp. 1 (Figure 71)

Description: Valves broadly lanceolate with weakly produced rounded apices, 32–48 µm long, 22–26 µm wide. Raphe straight, proximal raphe endings slightly expanded. Axial area wide and elliptic, central area not separated from axial area. Striae radiate, coarse, short and distant, 6– 7 in 10 µm.

Ecology and distribution: Marine species. Rare in Potter Cove.