Triceratium morlandii from Jackson’s Paddock, Oamaru, New Zealand. Single example on the slide, and it does have some damage to the diatom. Accepted name for this is now Entogoniopsis morlandii. Prepared by WA Firth. Olympus BHB microscope using 450nm LED light. 40x Leitz Pl Apo NA 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 68 images stacked in Zerene (Pmax).