Actinoptychus grovei from a strew slide of Flawes Creek, Oamaru, New Zealand (fossil marine). Prepared by Klaus Kemp. Mounted in Styraclor, dated March 1995. Nice strew slide. Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo NA 1.40 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 22 images stacked in Zerene (Pmax).