Supplementary Figure 3

A, B. Nerita chamaeleon (interim number 700). C, D. Terebra areolata (interim number 2141). E, F. Achatina fulica (interim number L-288). G, H. Acavus haemastoma (interim number L-523). I, J. Aegista vermis (interim number L-93). A, C, E, G, and I. Model parameters are determined from measurements of specimens viewed from lateral (A, C, E, G, and I) and umbilical (B, D, F, H, and J) perspectives. All scale bars, 2 cm.