↑Turgeon, D. D.; A. E. Bogan; E. V. Coan; W. K. Emerson; W. G. Lyons; W. Pratt; et al. (1988). Common and scientific names of aquatic invertebrates from the United States and Canada: molluscs. Special Publications. American Fisheries Society.
↑Harper, Alice Bryant (1988). The Banana Slug: A Close Look at a Giant Forest Slug of Western North America. Aptos, CA: Bay Leaves Press. ISBN0962121800