Hendrickx, M. E., R. C. Brusca, M. Cordero, and G. Ramírez R. “Marine and Brackish-Water Molluscan Biodiversity in the Gulf of California, Mexico”. Scientia Marina, vol. 71, no. 4, Dec. 2007, pp. 637-4, doi:10.3989/scimar.2007.71n4637.