A–C Entomoneis qinghainensis sp. nov., frustule view, SEM A one complete frustule, note the undulate junction line (indicated by dotted line) and the hymen strip region B detail from Fig. A note the striae composed of many single areolae near the sternum and two costae merging into one (arrow) C detail from Fig. A note hymen strips (two arrows). Scale bars: 10 μm (A); 2 μm (B, C).

 
 
  Part of: 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