Figure 4 from: 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

Figure 4 SEM (A, B and E–H) and LM (C, D) images of species found in the transitional zone at Mykolaiv city: A–DPleurosira laevisA, C valve views with arrows shown the ocelli B girdle view EConticribra weissflogii, valve view with arrows shown central and marginal fultoportulae FThalassiosira incerta, valve view with arrow shown central fultoportulae GThalassiosira faurii , valve view HMinidiscus proschkinae, valve view with arrow in the centre shown central fultoportula, and closer to the edge – rimoportula. Scale bars: 10 μm (C–G); 30 μm (A); 50 μm (B); 3 μm (H).