FIGURES 71–78. Odontidium parvoapiculatum. SEM. Figs 71–73 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution

FIGURES 71–78. Odontidium parvoapiculatum. SEM. Figs 71–73. Frustules in valve view. Fig. 74. Apical pore field and rimoportula. Fig. 75. Internal view of valve. Figs 76, 77. Internal views of pore field and rimoportula. Fig. 78. Girdle view showing valve mantle, valvocopula and pleurae. NMW.C.2007.006.R35. Scale bars = 2 μm (Figs 71–73, 75, 77, 78), 1 μm (Figs 74, 76).