FIGURES 29–36 in The identity of Eunotia paludosa Grunow 1862 (Eunotiaceae, Bacillariophyta), a revision, and the description of three new species of Eunotia Ehrenberg

FIGURES 29–36. Eunotia paludosa Grunow SEM images taken from the lectotype material (Grunow sample 522, Mandling, Styria, Austria). Fig. 29. External view of a frustule in girdle view showing the ventral side with the raphe branches. Fig. 30. SEM external view of a frustule in girdle view showing the dorsal side with the clear presence of spines. Figs 31–32. External detail of a valve apex, focusing on the terminal raphe fissures. Note spines on the dorsal side. Fig. 33. SEM external detail of dorsal spines near the middle of the valve. Fig. 34. Internal view in valve face view. The dorsal spines are clearly visible. The arrow indicates the presence of the rimoportula. Fig. 35. SEM internal detail of a valve apex showing helictoglossa. Fig. 36. SEM internal detail of a valve apex showing helictoglossa and rimoportula (arrow). Scale bars indicate 10 µm for figs 29, 30 & 34, 1 µm for figs 31–33, 35 & 36.