Salvagni, T., & Carlos, C. J. (2021). Phylogenetic relationships of the shearwater taxa Puffinus (sensu lato) and Calonectris (Aves: Procellariiformes: Procellariidae) based on osteological characters. Zootaxa, 4963(2), 243–292. https://doi.org/10.11646/zootaxa.4963.2.2