FIGURES 9–14 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 9–14. SEM images of Giffenia koreana sp. nov. featuring type materials. Fig. 9: A whole cell displaying the thin lip-shaped sternum (arrow), accompanied by numerous alveoli consisting of rows of pores. Fig. 10: The valve face with disrupted rows of pores and the thin lip-shaped sternum (arrow). Fig. 11: Side of the valve showing the continuous, whole raphe slit. Fig. 12: Internal valve face featuring the internal openings of the alveoli. Fig. 13: The valve face with a central thin lip-shaped sternum. Fig. 14: The alveoli with multiseriate pores on the external valve face. Scale bars: 10 µm for Figs 10–12, 14; 20 µm for Figs 9, 13.