Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEarly Penguin Fossils, Plus Mitochondrial Genomes, Calibrate Avian Evolution.AuthorsSlack, Kerryn E.; Jones, Craig M.; Ando, Tatsuro; Harrison, G. L. (Abby); Fordyce, R. Ewan; Arnason, Ulfur; Penny, DavidPublicationMolecular Biology & Evolution, 2006, Vol 23, Issue 6, p1144ISSN0737-4038Publication typeArticleDOI10.1093/molbev/msj124