Behrens, David W., and Alicia Hermosilla, 2005, Eastern Pacific Nudibranchs—A Guide to the Opisthobranchs from Alaska to Central America, Sea Challengers, Monterey, CA, 140 pp.
Coan, Eugene V., Paul Valentich Scott and Frank R. Bernard, 2000, Bivalve Seashells of Western North America, Santa Barbara Museum of Natural History, Stanford, CA, 764 pp.
Cosgrove, James A, and McDaniel, Neil, 2009, Super Suckers, The Giant Pacific Octopus and Other Cepahalopods of the Pacific Coast, Harbour Publishing, Madeira Park, B.C., 208 pp.
Harbo, Rick M., 2001, Shells and Shellfish, Harbour Publishing, Madeira Park, BC, 271 pp.