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T., & Clarke, J. A. (2011). Podargiform affinities of the enigmatic Fluvioviridavis platyrhamphus and the early diversification of strisores ("caprimulgiformes" plus apodiformes). PLoS One, 6(11). Clarke, J. A., Ksepka, D. T., Salas-Gismondi, R., Altamirano, A. J., Shawkey, M. D., D'Alba, L., … Baby, P. (2010). Fossil evidence for evolution of the shape and color of penguin feathers. Science, 330(6006), 954–957. Ksepka, D. T., & Clarke, J. A. (2010). Primobucco mcgrewi (Aves: Coracii) from the Eocene Green River Formation: Mew anatomical data from the earliest constrained record of stem rollers. Journal of Vertebrate Paleontology, 30(1), 215–225. Ksepka, D. T., & Clarke, J. A. (2009). AFFINITIES OF PALAEOSPIZA BELLA AND THE PHYLOGENY AND BIOGEOGRAPHY OF MOUSEBIRDS (COLIIFORMES). AUK, 126(2), 245–259. https://doi.org/10.1525/auk.2009.07178 Clarke, J. A., Ksepka, D. T., Smith, N. A., & Norell, M. A. (2009). Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii). ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, 157(3), 586–611. https://doi.org/10.1111/j.1096-3642.2009.00550.x Boyd, C. A., Brown, C. M., Scheetz, R. D., & Clarke, J. A. (2009). TAXONOMIC REVISON OF THE BASAL NEORNITHISCHIAN TAXA THESCELOSAURUS AND BUGENASAURA. JOURNAL OF VERTEBRATE PALEONTOLOGY, 29(3), 758–770. https://doi.org/10.1671/039.029.0328 Zhou, Z., Clarke, J., & Zhang, F. (2008). Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird. JOURNAL OF ANATOMY, 212(5), 565–577. https://doi.org/10.1111/j.1469-7580.2008.00880.x Clarke, J. A., & Middleton, K. M. (2008). Mosaicism, modules, and the evolution of birds: Results from a Bayesian approach to the study of morphological evolution using discrete character data. SYSTEMATIC BIOLOGY, 57(2), 185–201. https://doi.org/10.1080/10635150802022231 Ksepka, D. T., Clarke, J. A., DeVries, T. J., & Urbina, M. (2008). Osteology of Icadyptes salasi, a giant penguin from the Eocene of Peru. JOURNAL OF ANATOMY, 213(2), 131–147. https://doi.org/10.1111/j.1469-7580.2008.00927.x Dayrat, B., Cantino, P. D., Clarke, J. A., & De Queiroz, K. (2008). Species names in the PhyloCode: The approach adopted by the international society for phylogenetic nomenclature. SYSTEMATIC BIOLOGY, 57(3), 507–514. https://doi.org/10.1080/10635150802172176 Turner, A. H., Pol, D., Clarke, J. A., Erickson, G. M., & Norell, M. A. (2007). A basal Dromaeosaurid and size evolution preceding avian flight. SCIENCE, 317(5843), 1378–1381. https://doi.org/10.1126/science.1144066 Smith, N. A., Olson, S. L., & Clarke, J. A. (2007). First Atlantic record of the puffin Cerorhinca (Aves, Alcidae) from the Pliocene of North Carolina. JOURNAL OF VERTEBRATE PALEONTOLOGY, 27(4), 1039–1042. https://doi.org/10.1671/0272-4634(2007)27[1039:FAROTP]2.0.CO;2 Clarke, J. A., Ksepka, D. T., Stucchie, M., Urbina, M., Giannini, N., Bertelli, S., … Boyd, C. A. (2007). Paleogene equatorial penguins challenge the proposed relationship between biogeography, diversity, and Cenozoic climate change. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 104(28), 11545–11550. https://doi.org/10.1073/pnas.0611099104 Clarke, J., & Middleton, K. (2006). Bird evolution. Current Biology, 16(10), R350–354. Clarke, J. A., Zhou, Z. H., & Zhang, F. C. (2006). Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui. JOURNAL OF ANATOMY, 208(3), 287–308. https://doi.org/10.1111/j.1469-7580.2006.00534.x Clarke, J. A., Tambussi, C. P., Noriega, J. I., Erickson, G. M., & Ketcham, R. A. (2005). Definitive fossil evidence for the extant avian radiation in the Cretaceous. Nature, 433(7023), 305–308. Clarke, J. A., Norell, M. A., & Dashzeveg, D. (2005). New avian remains from the Eocene of Momgolia and the phylogenetic position of the Eogfruidaelia (Aves, Gruoidea). American Museum Novitates, (3494), 17-. Clarke, J. A. (2004). Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae). Bulletin of the American Museum of Natural History, 286(2004), 1–179. Clarke, J. A., & Norell, M. A. (2004). New avialan remains and a review of the known avifauna from the Late Cretaceous Nemegt Formation of Mongolia. American Museum Novitates, (3447), 12-.