Check list of terrestrial mollusks for SF county exported from Roth & Sadeghian. I'm working from a Word doc extraction from that publication that was sent to me. This probably does represent a comprehensive list of the terrestrial gastropods, but there are many other marine species.

Caracoles, Babosas Y Parientes - Photo (c) John Slapcinsky, algunos derechos reservados (CC BY-NC) Lista de comprobación para Caracoles, Babosas Y Parientes (Clase Gastropoda)
Fuente: Roth, B., & Sadeghian, P. S. (2003). Checklist of the Land Snails and Slugs of California. Santa Barbara, Calif: Santa Barbara Musuem of. (Vínculo)
kueda Añadido por kueda el December 03, 2014