Roth, B. & Sadeghian, P. S. (2006). Checklist of the land snails and slugs of California. Ed. 2. Santa Barbara Museum of Natural History, Contributions in Science. 3: 1-82.
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Roth, B. & Sadeghian, P. S.
2006
Checklist of the land snails and slugs of California. Ed. 2.
Santa Barbara Museum of Natural History, Contributions in Science