TABLE 3. Morphological Differences Between G. cocconeiformis and G 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

TABLE 3. Morphological Differences Between G. cocconeiformis and G. koreana sp. nov. (This Study). MorphologyG. cocconeiformisG. koreana sp. nov.Long (µm)39–6567.7–80.6Width (µm)22–2937.5–40.6Valve faceTransapically undulateTransapically undulateStriae (per 10 µm)6.5–1011Alveoli (per 10 µm)77InterstriaeRaisedFlatRows of pores in an alveolus34–5Copula43SternumIndentedThin lip-shapedRapheLateral raphe, Upturned apexLateral raphe, Epivalve: J shape or √ shape