The earliest known pelican reveals 30 million years of evolutionary stasis in beak morphology

Baumel JJ, Witmer LM (1993) Osteologia. In: Baumel JJ, King AS, Breazile JE, Evans HE, Vanden Berge JC (eds) Handbook of avian anatomy: nomina anatomica avium, 23. Publ Nuttall Ornithol Club, Cambridge, pp 45–132 BirdLife International (2004) Threatened birds of the world 2004. CD-ROM BirdLife International, Cambridge Björklund M (1994) Processes generating macroevolutionary patterns of morphological variation in birds: a simulation study. J Evol Biol 7:727–742 Cavelier C (1984) Paléogène. Mém BRGM France 125:389–468 Cheneval J (1984) Les oiseaux aquatiques (Gaviiformes à Ansériformes) du gisement aquitanien de Saint-Gérand-le Puy (Allier, France): révision systématique. Palaeovertebrata 14:33–115 Elliott A (1992) Pelecanidae. In: Del Hoyo J, Elliott A, Sargatal J (eds) Handbook of the birds of the world, 1. Ostrich to ducks. Lynx Edicions, Barcelona, pp 290–311 Ericson PGP, Anderson CL, Britton T, Elzanowski A, Johansson US, Källersjö M, Ohlson JI, Parsons TJ, Zuccon D, Mayr G (2006) Diversification of Neoaves: integration of molecular sequence data and fossils. Biol Lett 2:543–547 Escarguel G, Marandat B, Legendre S (1997) On the numerical ages of the Paleogene mammalian faunas from Western Europe, particularly of the lower and middle Eocene. Mém Trav EPHE Inst Montpellier 21:443–460 Gavrilets S (1997) Evolution and speciation on holey adaptive landscapes. Trends Ecol Evol 12:307–312 Hackett SJ, Kimball RT, Reddy S, Bowie RCK, Braun EL, Braun MJ, Chojnowski JL, Cox WA, Han KL, Harshman J, Huddleston CJ, Marks BD, Miglia KJ, Moore WS, Sheldon FH, Steadman DW, Witt CC, Yuri T (2008) A phylogenomic study of birds reveals their evolutionary history. Science 320:1763–1768 Heizmann EPJ, Hesse A (1995) Die mittelmiozänen Vogel- und Säugetierreste des Nördlinger Ries (MN 6) und des Steinheimer Beckens (MN 7)–ein Vergleich. Cour Forschungsinst Senckenb 181:171–185 James HF, Olson SL (1991) Description of thirty-two new species of birds from the Hawaiian Islands: Part II. Passeriformes. Ornithol Monogr 46:3–88 López-Martínez N (1997) Lignées évolutives, formes intermédiaires et évolution en mosaïque: exemple des lagomorphes Européens. Mém Trav EPHE Inst Montpellier 21:105–120 Louchart A (2008) Fossil birds of the Kibish formation. J Human Evol 55:513–520 Louchart A, Tourment N, Carrier J, Roux T, Mourer-Chauviré C (2008) Hummingbird with modern feathering: an exceptionally well-preserved Oligocene fossil from southern France. Naturwiss 95:171–175 Maître E (2008) Les Chiroptères paléokarstiques d’Europe occidentale, de l’Eocène moyen à l’Oligocène inférieur, d’après les nouveaux matériaux du Quercy (SW France): Systématique, phylogénie, paléobiologie. Dissertation, Université Claude Bernard Lyon 1, Villeurbanne, France Meyers RA, Myers RP (2005) Mandibular bowing and mineralization in brown pelicans. Condor 107:445–449 Schmidt-Kittler N, Vianey-Liaud M, Mödden C, Comte B (1997) New data for the correlation of mammal localities in the European Oligocene: biochronological relevance of the Theridomyidae. Mém Trav EPHE Inst Montpellier 21:375–395 Sigé B, Hugueney M (2006) Les micromammifères des gisements à phosphate du Quercy (SW France). Strata Sér I 13:207–226 Tyrberg T (2002) Avian species turnover and species longevity in the Pleistocene of the Palearctic. In: Zhou Z, Zhang F (eds) Fifth symposium of the society of avian paleontology and evolution, Beijing, 2000. Science Press, Beijing, pp 281–289 Wright S (1932) The roles of mutations, inbreeding, crossbreeding and selection in evolution. In: Proceedings of the Sixth International Congress of Genetics, vol 1, pp 356–366 Zink RM (2002) A new perspective on the evolutionary history of Darwin’s finches. Auk 119:864–871 Zusi RL, Warheit KI (1992) On the evolution of intraramal mandibular joints in pseudodontorns (Aves: Odontopterygia). Nat Hist Mus Los Angel Cty Sci Ser 36:351–360