Search Results - "Clarke, Julia A."

A new Paleogene fossil and a new dataset for waterfowl (Aves: Anseriformes) clarify phylogeny, ecological evolution, and avian evolution at the K-Pg Boundary by Musser, Grace, Clarke, Julia A

“…Despite making up one of the most ecologically diverse groups of living birds, comprising soaring, diving and giant flightless taxa, the evolutionary…”
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Convergent regulatory evolution and loss of flight in paleognathous birds by Sackton, Timothy B, Grayson, Phil, Cloutier, Alison, Hu, Zhirui, Liu, Jun S, Wheeler, Nicole E, Gardner, Paul P, Clarke, Julia A, Baker, Allan J, Clamp, Michele, Edwards, Scott V

“…A core question in evolutionary biology is whether convergent phenotypic evolution is driven by convergent molecular changes in proteins or regulatory regions…”
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Digitization and the Future of Natural History Collections by HEDRICK, BRANDON P., HEBERLING, J. MASON, MEINEKE, EMILY K., TURNER, KATHRYN G., GRASSA, CHRISTOPHER J., PARK, DANIEL S., KENNEDY, JONATHAN, CLARKE, JULIA A., COOK, JOSEPH A., BLACKBURN, DAVID C., EDWARDS, SCOTT V., DAVIS, CHARLES C.

“…Natural history collections (NHCs) are the foundation of historical baselines for assessing anthropogenic impacts on biodiversity. Along these lines, the…”
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The evolution of avian wing shape and previously unrecognized trends in covert feathering by Wang, Xia, Clarke, Julia A.

“…Avian wing shape has been related to flight performance, migration, foraging behaviour and display. Historically, linear measurements of the feathered aerofoil…”
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Nocturnal giants: evolution of the sensory ecology in elephant birds and other palaeognaths inferred from digital brain reconstructions by Torres, Christopher R, Clarke, Julia A

“…The recently extinct Malagasy elephant birds (Palaeognathae, Aepyornithiformes) included the largest birds that ever lived. Elephant bird neuroanatomy is…”
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Diffusible iodine‐based contrast‐enhanced computed tomography (diceCT): an emerging tool for rapid, high‐resolution, 3‐D imaging of metazoan soft tissues by Gignac, Paul M., Kley, Nathan J., Clarke, Julia A., Colbert, Matthew W., Morhardt, Ashley C., Cerio, Donald, Cost, Ian N., Cox, Philip G., Daza, Juan D., Early, Catherine M., Echols, M. Scott, Henkelman, R. Mark, Herdina, A. Nele, Holliday, Casey M., Li, Zhiheng, Mahlow, Kristin, Merchant, Samer, Müller, Johannes, Orsbon, Courtney P., Paluh, Daniel J., Thies, Monte L., Tsai, Henry P., Witmer, Lawrence M.

“…Morphologists have historically had to rely on destructive procedures to visualize the three‐dimensional (3‐D) anatomy of animals. More recently, however,…”
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Convergent evolution of a mobile bony tongue in flighted dinosaurs and pterosaurs by Li, Zhiheng, Zhou, Zhonghe, Clarke, Julia A

“…The tongue, with fleshy, muscular, and bony components, is an innovation of the earliest land-dwelling vertebrates with key functions in both feeding and…”
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A bony-crested Jurassic dinosaur with evidence of iridescent plumage highlights complexity in early paravian evolution by Hu, Dongyu, Clarke, Julia A., Eliason, Chad M., Qiu, Rui, Li, Quanguo, Shawkey, Matthew D., Zhao, Cuilin, D’Alba, Liliana, Jiang, Jinkai, Xu, Xing

“…The Jurassic Yanliao theropods have offered rare glimpses of the early paravian evolution and particularly of bird origins, but, with the exception of the…”
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New information on the cranial anatomy of Acrocanthosaurus atokensis and its implications for the phylogeny of Allosauroidea (Dinosauria: Theropoda) by Eddy, Drew R, Clarke, Julia A

“…Allosauroidea has a contentious taxonomic and systematic history. Within this group of theropod dinosaurs, considerable debate has surrounded the phylogenetic…”
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Fossil evidence of the avian vocal organ from the Mesozoic by Clarke, Julia A., Chatterjee, Sankar, Li, Zhiheng, Riede, Tobias, Agnolin, Federico, Goller, Franz, Isasi, Marcelo P., Martinioni, Daniel R., Mussel, Francisco J., Novas, Fernando E.

“…Birds make sound in the syrinx, a unique vocal organ situated deep in the chest, but little is known about the evolution of this structure; a fossilized…”
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Basal Dromaeosaurid and Size Evolution Preceding Avian Flight by Turner, Alan H, Pol, Diego, Clarke, Julia A, Erickson, Gregory M, Norell, Mark A

“…Fossil evidence for changes in dinosaurs near the lineage leading to birds and the origin of flight has been sparse. A dinosaur from Mongolia represents the…”
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Melanosome evolution indicates a key physiological shift within feathered dinosaurs by Li, Quanguo, Clarke, Julia A., Gao, Ke-Qin, Zhou, Chang-Fu, Meng, Qingjin, Li, Daliang, D’Alba, Liliana, Shawkey, Matthew D.

“…Sampling of extant and fossil amniotes reveals that the diversity of melanosome morphologies increased sharply around the time of the origin of pinnate…”
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Endocranial anatomy of the charadriiformes: sensory system variation and the evolution of wing-propelled diving by Smith, N Adam, Clarke, Julia A

“…Just as skeletal characteristics provide clues regarding behavior of extinct vertebrates, phylogenetically-informed evaluation of endocranial morphology…”
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Systematics and evolution of the Pan‐Alcidae (Aves, Charadriiformes) by Smith, N. Adam, Clarke, Julia A

“…Puffins, auks and their allies in the wing‐propelled diving seabird clade Pan‐Alcidae (Charadriiformes) have been proposed to be key pelagic indicators of…”
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Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers by Clarke, Julia A, Ksepka, Daniel T, Salas-Gismondi, Rodolfo, Altamirano, Ali J, Shawkey, Matthew D, D'Alba, Liliana, Vinther, Jakob, DeVries, Thomas J, Baby, Patrice

“…Penguin feathers are highly modified in form and function, but there have been no fossils to inform their evolution. A giant penguin with feathers was…”
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Plumage Color Patterns of an Extinct Dinosaur by Li, Quanguo, Gao, Ke-Qin, Vinther, Jakob, Shawkey, Matthew D, Clarke, Julia A, D'Alba, Liliana, Meng, Qingjin, Briggs, Derek E.G, Prum, Richard O

“…For as long as dinosaurs have been known to exist, there has been speculation about their appearance. Fossil feathers can preserve the morphology of…”
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Molecular exploration of fossil eggshell uncovers hidden lineage of giant extinct bird by Grealy, Alicia, Miller, Gifford H., Phillips, Matthew J., Clarke, Simon J., Fogel, Marilyn, Patalwala, Diana, Rigby, Paul, Hubbard, Alysia, Demarchi, Beatrice, Collins, Matthew, Mackie, Meaghan, Sakalauskaite, Jorune, Stiller, Josefin, Clarke, Julia A., Legendre, Lucas J., Douglass, Kristina, Hansford, James, Haile, James, Bunce, Michael

“…The systematics of Madagascar’s extinct elephant birds remains controversial due to large gaps in the fossil record and poor biomolecular preservation of…”
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A new zygodactylid species indicates the persistence of stem passerines into the early Oligocene in North America by Hieronymus, Tobin L, Waugh, David A, Clarke, Julia A

“…The lake deposits of the informal Ruby Paper Shale unit, part of the Renova Formation of Montana, have yielded abundant plant fossils that document Late Eocene…”
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Author Correction: The earliest evidence for a supraorbital salt gland in dinosaurs in new Early Cretaceous ornithurines by Wang, Xia, Huang, Jiandong, Hu, Yuanchao, Liu, Xiaoyu, Peteya, Jennifer, Clarke, Julia A.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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New Remains of Scandiavis mikkelseni Inform Avian Phylogenetic Relationships and Brain Evolution by Heingård, Miriam, Musser, Grace, Hall, Stephen A., Clarke, Julia A.

“…Although an increasing number of studies are combining skeletal and neural morphology data in a phylogenetic context, most studies do not include extinct taxa…”
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