FIGURES 2–12 in A new uncommon epilithic Eunotia (Bacillariophyceae, Eunotiaceae) from the Chapada Diamantina region, Northeast Brazil

FIGURES 2–12. Eunotia relicta. LM and SEM images. Figs 2–5, 6–10. Valve view showing general patterns of valve outline, apices and striae. Fig. 11. Girdle view showing ventral margins, mantle and girdle bands. Note the whole frustule showing deflection of valve faces, laterally visible. Note also the raphe branches and central nodules at the mantle. Fig. 12. External valve face showing an irregular surface and striae. Note the striae not interrupted in the dorsal side, continuing onto the valve mantle. Observe the raphe branches entering the valve face in the ventral side, and the conical spines at valve apices. Scale bars: 20 µm for figures 2–11; 10 µm for figure 12.