FIGURES 69–72 in New Amphicocconeis (Bacillariophyta) from Raivavae and Tahiti Islands (South Pacific) and Porto Belo (Brazil), with re-examination of Psammococconeis

FIGURES 69–72. SEM (material from Raivavae, Tahiti and Moorea Isls, South Pacific). SVVC in abvalvar view of Amphicocconeis cf. mascarenica (Figs 69–70), SVVC of Amphicocconeis ruatara sp. nov. (Fig. 71), RVVC of Amphicocconeis sp. (Fig. 72). Scale bars: 1 µm (Fig. 71), 6 µm (Fig. 1), 0.5 µm (Figs 69–70), 600 nm (Fig. 72).