A–F SEM micrographs, RV internal views of C. crisscrossis sp. nov. from Qingyi River A–C complete internal valve D irregular hyaline central area and the proximal raphe fissures are bent to opposite sides E weakly elevated helictoglossae F the areolae are occluded by round lattice-structured hymens. Scale bars: 5 µm (A–C); 1 µm (D–F).

 
 
  Part of: Zhou H, Yu P, Guo L, Kociolek JP, Wang Q, You Q (2024) Cocconeis crisscrossis sp. nov., a new monoraphid diatom (Bacillariophyta) from southern China. PhytoKeys 242: 39-50. https://doi.org/10.3897/phytokeys.242.123316