Biddulphia pedalis (fragment) from Oamaru, New Zealand. Also known as Grovea pedalis. Single example on the slide. Prepared by Samuel Meakin. Mounted in Sirax, dated August 1937. Olympus BHB microscope using 365nm LED light. 63x Leitz Pl Apo NA 1.40 objective, oil immersion. Olympus Abbe condenser, oil immersion. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 23 images stacked in Zerene (Pmax).