Dr. James G. Mead. Vertebrate Zoology, National Museum of Natural History, Washington, DC 20560
Alfred L. Gardner. Curator of North American mammals and Chief of Mammal Section, National Biological Service, Smithsonian Institution, National Museum of Natural History, Washington, DC, USA
Banks, R. C., R. W. McDiarmid, and A. L. Gardner 1987-01-01. Resource Publication, no. 166. United States Department of the Interior Fish and Wildlife Service. Washington, D.C., USA. 79. . .
Wilson, Don E., and DeeAnn M. Reeder, eds. 1992-01-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. Smithsonian Institution Press. Washington, DC, USA. xviii + 1207. 1-56098-217-9. Corrections were made to text at 3rd printing.
Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes 2003-12-31. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. . . . . As-yet (2003) unpublished manuscript from 1998.
Wilson, Don E., and F. Russell Cole 2000-01-01. Common Names of Mammals of the World. Smithsonian Institution Press. Washington, DC, USA. xiv + 204. 1-56098-383-3. With contributions by Bernadette N. Graham, Adam P. Potter, and Mariana M. Upmeyer.
Mead, James G., and Robert L. Brownell, Jr. / Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 1. Johns Hopkins University Press. Baltimore, Maryland, USA. 723-743. 0-8018-8221-4. .
Rice, Dale W. 1998-01-01. Special Publications of the Society for Marine Mammals, no. 4. The Society for Marine Mammalogy. Lawrence, Kansas, USA. ix + 231. 1-891276-03-4. .
Mead & Brownell, Jr., in Wilson & Reeder, eds. (2005): Comments: Commonly included Caperea, which is here put in a separate family, Neobalaenidae, following Barnes and McLeod (1984)