Project 4317: J. Blokland, C. Reid, T. Worthy, A. Tennyson, J. Clarke, R. Scofield. 2019. Chatham Island Paleocene fossils provide insight into the palaeobiology, evolution, and diversity of early penguins (Aves, Sphenisciformes). Palaeontologia Electronica. 22 (3):none.
