Figure 13 from: Long J-Y, Williams DM, Liu B, Mo W-H, Quan S-J (2022) Ultrastructure of three Species of Entomoneis (Bacillariophyta) from Lake Qinghai of China, with reference to the external areola occlusions. PhytoKeys 189: 29-50. https://doi.org/10.3897/phytokeys.189.78149

Figure 13 A–FEntomoneis paludosa, valve side view, SEMA–C three valves in side view, note the basal fibulae and the frustule cavity without sub-compartments (indicated by double-headed arrow) D–F details from Fig. A–C. Scale bars: 10 μm (A–C); 2 μm (D–F).