Surirella wufluminensis sp. nov., SEM A–C three valves in external view; note the visual discrepancies of twist degrees between them as the position of each valve relative to the observer differs D–F three valves in internal view; note the visual discrepancies of twist degrees between them. Scale bars: 20 μm.

 
 
  Part of: Long J-Y, Kociolek JP, Williams DM, Liu B, Mo W-H, Chen J-H (2022) Two new freshwater species of Surirella (Bacillariophyta) from the Wuling Mountains, China. PhytoKeys 201: 35-49. https://doi.org/10.3897/phytokeys.201.79626