Pleurosigma strigosum W. Smith (Figure 84)

Literature: (Cardinal et al. 1986, p. 187, figs. 70, 72; Hendey 1964, p. 246, pl. 36, fig. 7; Sterrenburg 2003, p. 159, figs. 1– 4, 22–25).

Description: Length 145–260 µm, width 18–30 µm, transverse striae 20–24 in 10 µm.

Ecology and distribution: A widely distributed marine species, also found in estuaries. Previously recorded from Fuego district in south Antarctica (Frenguelli 1943) and from the sub-Arctic (Cardinal et al. 1986). It has not previously been observed in Potter Cove but was found in large numbers in the present samples.