Project 923: Olivier Lambert, C. de Muizon, G. Bianucci. 2013. The most basal beaked whale Ninoziphius platyrostris Muizon, 1983: clues on the evolutionary history of the family Ziphiidae (Cetacea: Odontoceti). Zoological Journal of the Linnean Society. 167 (4):569-598.