Genetic and historical evidence disagree on likely sources of the Atlantic amethyst gem clam Gemma gemma (Totten, 1834) in California

Hoos, Phillip M. ; Miller, A. Whitman ; Ruiz, Gregory M. ; Vrijenhoek, Robert C. ; Geller, Jonathan B. (2010). Genetic and historical evidence disagree on likely sources of the Atlantic amethyst gem clam Gemma gemma (Totten, 1834) in California . Diversity & Distributions, 16 (4) , 582-592. http://dx.doi.org/10.1111/j.1472-4642.2010.00672.x