Petroneis plagiostoma (Grunow) D. G. Mann (Figure 41)

Literature: (Hustedt 1961 –66, p. 700, fig. 1694a,b; Witkowski et al. 2000, p. 329, pl. 102, figs. 5–6).

Description: Length 38–56 µm, width 20–25 µm, striae 11– 12 in 10 µm, areole 10–11 in 10 µm.

Ecology and distribution: A widely distributed marine littoral species. Common in Potter Cove.