↑Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
↑Wilson, Don E., and Sue Ruff, eds. (1999) , The Smithsonian Book of North American Mammals
↑Heyning, John E., and William F. Perrin (1994) Evidence for Two Species of Common Dolphins (Genus Delphinus) from the Eastern North Pacific, Natural History Museum of Los Angeles County Contributions in Science, no. 442
↑Rice, Dale W. (1998) Marine Mammals of the World: Systematics and Distribution, Special Publications of the Society for Marine Mammals, no. 4
↑Jefferson, Thomas A., and Koen Van Waerebeek (2002) The taxonomic status of the nominal dolphin species Delphinus tropicalis van Bree, 1971, Marine Mammal Science, vol. 18, no. 4
↑Mead, James G., and Robert L. Brownell, Jr. / Wilson, Don E., and DeeAnn M. Reeder, eds. (2005) Order Cetacea, Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 1