A slide with a Triceratium spinosum var. ornata and five Triceratium coscinoides from Oamaru, New Zealand. Current name for T. spinosum is Biddulphia spinosa. Unknown mounter. 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. 40 images stacked in Zerene (Pmax).