FIGURES 3–8 in Giffenia koreana sp. nov. (Bacillariophyta): A newly identified epipelic diatom in the tidal flat sediments of Suncheonman Bay, extant for over 1,400 Years

FIGURES 3–8. LM images of the undulating external valve view of Giffenia koreana sp. nov. on the holotype (Figs 3–5) and isotype (Figs 6–8). Fig. 3, 4: The valve face focused on the slightly convex side. Fig. 5: The valve face focused on the slightly concave side, with an uneven central sternum positioned along the apical axis. Figs 6–8: The valve face observed on various focuses. Scale bar: 10 µm.