Navicula oamaruensis from Papakaio, Oamaru, New Zealand. Single example on the slide. Prepared by JA Long. Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 47 images stacked in Zerene (Pmax).
Navicula oamaruensis Grunow in Schmidt et al., 1888. Original description: Schmidt, A. (1888). Atlas der Diatomaceen-kunde. Leipzig. Fues’s Verlag (R. Reisland), Series III (Heft 33-34): pls. 129-136. Plate 129, Figure 9. Synonymised names: Lyrella oamaruensis (Grunow ex A.Schmidt) D.G.Mann, 1990. Schizonema oamaruense (Grunow) Kuntze, 1898.