FIGURE 9. A in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 9. A, radula of O. contortuplicata, frontal view, scale bar = 100 µm; B, ultrastructure of the shell, scale bar = 80 µm; C, penis, scale bar = 500 µm; D, siphon, scale bar = 2 mm; E, radula of O. teaguei, frontal view, scale bar = 50 µm; F, ultrastructure of the shell, scale bar = 200 µm.