An arrangement of three Cestodiscus superbus from Newcastle, Barbados. Prepared by William Allott Firth. Olympus BHB microscope using 450nm LED light. 20x Nikon Plan Apo 0.65 objective. Olympus Aplanat Achromat condenser, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 53 images stacked in Zerene (Pmax).
Apparently a synonym is Cestodiscus pulchellus Greville 1866. Published in: Greville, R.K. (1866). Descriptions of new and rare Diatoms. Series XX. Transactions of the Microscopical Society, New Series, London 14: 121-130, pls XI, XII. Page 123, Plate XI, Figure 5. See also: Fenner, J. (1978). Cenozoic diatom biostratigraphy of the equatorial and southern Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project 38-41 Supplement(1): 491-623, 7 figures, 5 tables, 37 plates. Page 516, Plate 13 Figures 1-5, Plate 14 Figures 1-4.