«Natunaornis gigoura; holotype». Collections Online. Museum of New Zealand Te Papa Tongarewa. Consultado el 18 de julio de 2010.
web.archive.org
Worthy, T.H., 2001. A giant flightless pigeon gen. et sp. nov. and a new species of Ducula (Aves: Columbidae), from Quaternary deposits in Fiji. Journal of the Royal Society of New Zealand. Volume 31, Number 4, pp 763-794. PDF file of entire paper: medium quality (4947K)
