An arrangement of Odontotropis carinata. Fossil marine material. Mounted in Hyrax and dated April 1937. Issues with the mountant and diatom movement. Prepared by JA Long. Olympus BHB microscope using 450nm LED light. 20x Nikon Plan Apo 0.65 objective. Olympus Aplanat Achromat condenser, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 40 images stacked in Zerene (Pmax).
Odontotropis carinata (Grunow) Grunow. Original description: Grunow, A. (1884). Die Diatomeen von Franz Josefs-Land. Denkschriften der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe, Wien., 48: 53-112, 5 pls. Page 7 (59), Plate B, Figure 23 (as ‘Odontotropis? carinata Grunow’).