Student Project Figures Figure 9 SEM of Zafra shell, side view with mouth. Abbreviations. ap: aperture. asc: anterior siphonal canal. at: apertural teeth (denticles). bw: body whorl. col: columella. il: inner lip. ol: outer lip. pc: protoconch. sf: siphonal fasciole. sp: spire. sut: suture. tlc w1: teleconch whorl 1. Photo by Zebilon Kamen Figure 5 Figure 6 Figure 7 Figure 8 Figure 9