Campylodiscus ecclesianus from New Hebrides (Vanuatu, Pacific Ocean). Single example on the slide. Mounted in Hyrax, very yellow mountant, and some issues with it. Broken pieces of a coverslip used as spacers. Prepared by Flatters and Garnett Ltd. Olympus BHB microscope using 450nm LED light. 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. 65 images stacked in Zerene (Pmax).
Campylodiscus ecclesianus Greville 1857. Published in: Greville, R.K. (1857). Description of some new Diatomaceous forms from the West Indies. Quarterly Journal of Microscopical Science, London 5: 7-12, pl. III. Page 10, Plate III [3], Figure 5 (as ‘Ecclesianus‘).