FIG. 2 in Adlafia diahotensis, sp. nov. (Bacillariophyceae), a new species from New Caledonia

FIG. 2.— Adlafia diahotensis Le Cohu, Marquié & Tudesque, sp. nov., SEM: A, B, internal views of an half valve showing the shift in the striae orientation marked by a bifurcate stria (arrows), the distant internal proximal raphe endings deflected to the primary side and the helictoglossa laterally extended by a siliceous thickening (arrowhead); C, external view showing a valvocopula (vc) and the end of a copula (c); D, tilted external view with the end of a valvocopula (vc) and a copula (c). Scale bars: A, C, 2 µm; B, D, 3 µm.