Triceratium giganteum from Barbados. Single example on the slide. Prepared by Samuel Henry Meakin. Mounted in Sirax and dated September 1943. Mentioned in Greville, R. K. (1861). Descriptions of new and rare Diatoms. Series III. Transactions of the Microscopical Society, New Series, London. 9: 73-77. page(s): p. 77; pl. 9, fig. 10. Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, slightly oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 36 images stacked in Zerene (Pmax).