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Arrangement of Hyalodiscus sp.. No details as to who the mounter was, the date or the mountant. Olympus BHB microscope using 450nm LED light. 20x Nikon Plan Apo NA 0.65 objective. Olympus Aplanat Achromat condenser, slightly oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. Two stacks of images prepared in Zerene (Pmax) and pasted together in Photoshop.