Voluta tuberculata ferruginea. a–e Specimen figured by Lahille (1895: pl. I, fig. 13; pl. VII, fig. 145; pl. XII, fig. 6) a Apertural view b Dorsal view c Lateral view d Umbilical view e Apical view f Specimen figured by Lahille (1895: pl. VII, fig. 146; pl. II, fig. 76a) in apertural view g Specimen figured by Lahille (1895: pl. VII, fig. 144) in apertural view. Scale bar: 5 cm.