Figure 7 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 7 A–FEntomoneis sinensis sp. nov., valve internal and side views, SEMA one valve showing only one lumen (no sub-compartments present) in a cell (double-headed arrow) B middle part from Fig. A note the canal raphe communicates with the cell interior at the valve centre C, D two apices from Fig. A E, F another valve in side view, note the cell lumen. Scale bars: 10 μm (A, E); 2 μm (B–D, F).