Figures 4-6b from: Bukhtiyarova LN (2019) The genus Eunotia Ehrenb. (Bacillariophyta) in the Cheremsky Nature Reserve, Ukrainian Polissya, and refined terminology relevant to the raphe system morphology. PhytoKeys 128: 1-31. https://doi.org/10.3897/phytokeys.128.35566

Figures 4-6b - New in Ukraine species Eunotia genuflexa Nörpel-Schempp in Lange-Bertalot and Metzeltin, outside valve surface, SEM. Arrows indicate distal ends of raphe slits, double arrows – funnel-like lacunae, terminal fissures are between the arrows. Scale bars: 10 µm (4–6); 2 µm (4a, 5a, 6a); 1 µm (6b).