LM (A,B) and SEM (C–H) images of species found in the transitional zone at Mykolaiv city: A Aulacoseira islandica, valve view B Aulacoseira nivalis, valve view C Aulacoseira subarctica, girdle view of complete frustule D–H Actinocyclus normanii valve view (D pseudonodulus shown with arrow, E, G) and girdle view (H, F). Scale bars: 10 μm.

 
 
  Part of: Bilous OP, Genkal SI, Zimmermann J, Kusber W-H, Jahn R (2021) Centric diatom diversity in the lower part of the Southern Bug river (Ukraine): the transitional zone at Mykolaiv city. PhytoKeys 178: 31-69. https://doi.org/10.3897/phytokeys.178.64426