FIGURES 21–26 in Hippodonta fujiannensis sp. nov. (Bacillariophyceae), a new epipsammic diatom from the low intertidal zone, Fujian Province, China

FIGURES 21–26. SEM images of Hippodonta fujiannensis. Figs 21, 24. External view of complete frustules showing broad, unornamented girdle. Fig. 25. External girdle view of entire valve. The edge of the valve has no ornamentation. Figs 22, 26. Detail of one apex in girdle view, showing one row of apical areolae and the hyaline area. Fig. 23. Detail of the central area in girdle view, showing the central raphe endings and the central nodule. Scale bars in Fig. 25 = 10 μm; Figs 21, 23 = 5 μm; Figs 22, 24, 26 = 1 μm.