FIGURES 1–9 in A new species of Nagumoea (Bacillariophyta) from Antarctica, and a further consideration of the systematic position of the genus

FIGURES 1–9. Nagumoea livingstonensis sp. nov. LM and SEM pictures taken from the type locality (Byers Peninsula, Livingston Island, South Shetland Islands, Sample BY002). 1–4. LM pictures of valve views showing the fibular structure. Fig. 5. Entire frustule in girdle view. Fig. 6. SEM internal detail of the central area showing the typical fibular structure with the connecting siliceous ridges (see arrow) and the proximal raphe endings terminating on the central nodule. Fig. 7. SEM external view of an entire valve. Fig. 8. SEM external view of an entire valve, showing the valve face/mantle junction and the valve mantle. Fig. 9. SEM internal view of an entire valve. The arrows indicate the siliceous connections between the fibulae. Scale bar represents 10 μm for Figs 1–5 and 7, 1 μm for Fig. 6 and 5 μm for Figs 8 & 9.