- ↑ 1.0 1.1 Rice, Dale W. (1998) Marine Mammals of the World: Systematics and Distribution, Special Publications of the Society for Marine Mammals, no. 4
- ↑ 2.0 2.1 2.2 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
- ↑ 3.0 3.1 Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
- ↑ (2001) , website, U. S. Fish and Wildlife Service Endangered Species Program
- ↑ (1996) , database, NODC Taxonomic Code
- ↑ (1998) , website, Mammal Species of the World
- ↑ 7.0 7.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011