New birds from the Lower Eocene Green River Formation, North America. In Proceedings of the VII International Meeting of the Society of Avian Paleontology and Evolution, ed. W.E. Boles and T.H. WorthyPublished in Records of the Australian Museum, in 2010, in volume 62, issue 1, pages 29-44Created: 2020-07-05, modified: 2020-07-05