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^Mayr, Gerald; De Pietri, Vanesa L.; Love, Leigh; Mannering, Al; Scofield, R. Paul. Leg bones of a new penguin species from the Waipara Greensand add to the diversity of very large-sized Sphenisciformes in the Paleocene of New Zealand. Alcheringa. 2019. doi:10.1080/03115518.2019.1641619.