FIGURES 129–134. Diploneis krammeri, SEM external valve views. Fig. 129 in The genus Diploneis Ehrenberg ex Cleve (Bacillariophyta) from Lake Hövsgöl, Mongolia

FIGURES 129–134. Diploneis krammeri, SEM external valve views. Fig. 129. View of the whole valve. Fig. 130. Proximal raphe endings. Fig. 131. View of the whole frustule. Fig. 132. Showing the structure of the striae at the valve mantle. Fig. 133. Detailed view of the valve central area. Fig. 134. Distal raphe endings with short deflected terminal fissures. Scale bars = 5 μm (Figs 129, 131); 2 μm (Figs 130, 132–134).