2010
DOI: 10.1073/pnas.1001569107
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Archaeopteryx feathers and bone chemistry fully revealed via synchrotron imaging

Abstract: Evolution of flight in maniraptoran dinosaurs is marked by the acquisition of distinct avian characters, such as feathers, as seen in Archaeopteryx from the Solnhofen limestone. These rare fossils were pivotal in confirming the dinosauria-avian lineage. One of the key derived avian characters is the possession of feathers, details of which were remarkably preserved in the Lagerstätte environment. These structures were previously simply assumed to be impressions; however, a detailed chemical analysis has, until… Show more

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Cited by 83 publications
(133 citation statements)
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“…For example, the molluscous parts are found in body chambers of Goniatite ammonites by using x-ray radiography [10]. In addition, feathers of an archaeopteryx fossil are observed by synchrotron fluorescence imaging of phosphorus due to the phosphorus-rich composition of her original feathers [12]. Therefore, siderite observed at the body chamber suggests that the molluscous part may consist of Mg and Fe rich chemical composition.…”
Section: -mentioning
confidence: 99%
“…For example, the molluscous parts are found in body chambers of Goniatite ammonites by using x-ray radiography [10]. In addition, feathers of an archaeopteryx fossil are observed by synchrotron fluorescence imaging of phosphorus due to the phosphorus-rich composition of her original feathers [12]. Therefore, siderite observed at the body chamber suggests that the molluscous part may consist of Mg and Fe rich chemical composition.…”
Section: -mentioning
confidence: 99%
“…Nowadays, two and sometimes three-dimensional (2D and 3D) elemental, molecular, structural and isotopic imaging of entire objects has becomes possible owing to recent technological developments off ocused analytical probes used in scanning mode and detectors (e.g. Lebon et al 2011a;Reiche et al 2011aReiche et al , 2003Reiche et al , 2010Reiche and Chalmin 2008;Anne et al 2014;Bergmann et al 2010;Gueriau et al 2014;Gourrier et al 2007bGourrier et al , 2010.…”
Section: Introductionmentioning
confidence: 99%
“…This specimen has been displayed in Canada, China, Europe, Japan, and the US. It has been molded, photographed, Micro-CT scanned, laser-scanned and XRF scanned, and has generated multiple high-impact publications (Mayer et al 2005, Bergmann et al 2010. Despite this excellent academic work, some paleontologists have raised concerns on the ethics of publishing such material.…”
mentioning
confidence: 99%
“…This site has been operated commercially since the advent of the lithographic printing process in 1798 (Barthel et al 1990). The Solnhofen Limestone has produced some of the most important fossils in the study of evolution, including the iconic early bird Archaeopteryx (Bergmann et al 2010). Every single specimen of Archaeopteryx known to science has been bought and sold (Ostrom 1985, Barthel et al 1990.…”
mentioning
confidence: 99%