FIGURE 16. Olivancillaria carcellesi. A in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 16. Olivancillaria carcellesi. A, radula, frontal view, scale bar = 100 µm; B, ultrastructure of the shell, scale bar = 200 µm; C, penis, scale bar = 200 µm; D, siphon, scale bar = 1 mm; E–F, egg capsule from Punta Pardelas, Chubut province, Argentina, scale bar = 1 mm.