An arrangement of eight Hemidiscus cuneiformis from Manilla (recent). Prepared by Arthur Charles Cole. 40x Leitz Pl Apo NA 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 41 images stacked in Zerene (Pmax).
This name is currently regarded as a synonym of Actinocyclus cuneiformis.