An arrangement of five Navicula lyra var. subcarinata from Pensacola Bay, Florida, USA. Recent marine material. Mounted in Naphrax and dated September 1969. Prepared by ECP Bone. 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. 30 images stacked in Zerene (Pmax).
Navicula lyra var. subcarinata Grunow ex A.W.F.Schmidt 1874. Published in: Schmidt, A., Schmitz, M., Fricke, F., Müller, O., Heiden, H. & Hustedt, F. (1874-1959). Atlas der Diatomaceen-Kunde. 4 Bands, pls. 1-480. Leipzig. Plate 2, Figure 5. This name is currently regarded as a synonym of Lyrella lyra var. subcarinata (Grunow ex A.W.F.Schmidt) Moreno.