A strew slide from Mass, Vierlingsbeek, Netherlands. Range of species present. Freshwater, recent. SAmple date 27/4/2025. Mounted in Pleurax and dated 28/4/2025. Prepared by Michel Haak. Olympus BHB microscope using 450nm LED light. I selected a Ctenophora pulchella to image. 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 7 images stacked in Zerene (Pmax).
Ctenophora pulchella (Kützing) D.M.Williams & Round 1986. Published in: Williams, D.M. & Round, F.E. (1986). Revision of the genus Synedra Ehrenb. Diatom Research 1(2): 313-339, 71 figs. Page 330, Figures 53-61. Also, David Williams, Bart Van De Vijver, The diatom genus Ctenophora: A discussion on its morphology, relationships, and some species, Phytotaxa, 2023;632(1):1-26. DOI: 10.11646/phytotaxa.632.1.1.