Oligocene plotopterid skulls from Western North America and their bearing on the phylogenetic affinities of these penguin-like seabirds

G. Mayr, J. L. Goeder, and O. Vogel

2015

Article

Journal of Vertebrate Paleontology 35(4):e943764

Find it at:

http://dx.doi.org/10.1080/02724634.2014.943764

Taxonomy: