Pseudorutilaria monile (written as Pseudo-rutilaria moniligera on the slide, not sure why) from Oamaru, New Zealand. In between a couple of Eupodiscus diatoms. No makers name. Arrangement imaged using a 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. 11mm spacer from the tube to the camera removed to increase the field of view. Monochrome converted Nikon d850 camera. 74 images stacked in Zerene (Pmax).
Pseudorutilaria monile Grove & Sturt 1886. Published in: Grove, E. & Sturt, G. (1886). On a fossil marine Diatomaceous deposit from Oamaru, Otago, New Zealand. Part I. Journal of the Quekett Microscopical Club, Series 2 2(16): 321–330, plates 18–19. Page 324, Plate 18, Figures 7,8.