FIGURES 135–151 in The genus Diploneis Ehrenberg ex Cleve (Bacillariophyta) from Lake Hövsgöl, Mongolia

FIGURES 135–151. Diploneis soninkhishigae, LM and SEM valve views. Figs 135–141. LM valve views, Lake Hövsgöl. Figs 142–147. LM valve views, Lake Ohrid specimens. Figs 136, 137. Specimens from the holotype slide M248A. Fig. 148. External valve view. Fig. 149. Internal view of the whole valve. Fig. 150. View of the valve central area with proximal raphe ends. Fig. 151. Close-up view of the external openings of the alveolate striae, covered with cribrum. Scale bars = 10 μm (Figs 135–147); 5 μm (Figs 148, 149); 2 μm (Figs 150, 151).