Dr. James G. Mead. Vertebrate Zoology, National Museum of Natural History, Washington, DC 20560
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.
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. .
David Nicolson - ITIS Data Development Coordinator: Dr. James G. Mead (personal communication, June 2002) suggested that ITIS recognize two families of river dolphins: Platanistidae (containing Platanista only), and Iniidae (containing Inia, Lipotes, and Pontoporia). "There is not enough consensus to split it into 3 [or more] families"