An arrangement of Triceratium weissii from Simbirsk. New name for this diatom is Medlinia weissei. No name on the slide, but prepared by Laurence Hardman (name label added by me to remind me who it made it). Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo NA 1.40 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 31 images stacked in Zerene (Pmax).