1. PAST: paleontological statistics software package for education and data analysis;Hammer;Palaeontologia Electronica,2001
2. CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice
3. Standardized methods for measuring and recording data on the smaller cetaceans. The committee on marine mammals American society of mammalogists;Norris;Committee on Marine Mammals Journal of Mammalogy Cetacean,1961
4. Reeves, RR , Smith, BD , Crespo, EA and di Sciara, GN (2003) Dolphins, Whales and Porpoises: 2002–2010 Conservation Action Plan for the World's Cetaceans. IUCN/SSC Cetacean Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
5. A Simple, Fast, and Accurate Algorithm to Estimate Large Phylogenies by Maximum Likelihood