Project 4359: D. T. Ksepka, R. E. Fordyce, T. Ando, C. M. Jones. 2012. New fossil penguins (Aves, Sphenisciformes) from the Oligocene of New Zealand reveal the skeletal plan of stem penguins. Journal of Vertebrate Paleontology. 32 (2):235-254.
This project has 1 specimen.