نتایج جستجو برای: paleontology
تعداد نتایج: 869 فیلتر نتایج به سال:
A soft tissue structure has been discovered on the head of the duck-billed dinosaur Edmontosaurus. Its similarity to a cock's comb and other sexually dimorphic structures of birds suggests that potential sexual signals existed in these extinct animals.
1 Centro Oceanográfico de Baleares, Instituto Español de Oceanografía, Palma de Mallorca, Spain, 2 Agencia de Medio Ambiente y Agua, Consejería de Medio Ambiente y Ordenación del Territorio, Almería, Spain, 3 Instituto de Investigación en Medio Ambiente y Ciencia Marina, Universidad Católica de Valencia, Alicante, Spain, 4 Laboratori d’Investigacions Marines i Aqüicultura, Illes Balears, Spain,...
1Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York 11794-8081, USA; E-mail: [email protected] 2Department of Biology, Spieth Hall, University of California, Riverside, California 92521, USA; E-mail: [email protected] 3Division of Paleontology, American Museum of Natural History, 79th Street at Central Park West, New York, New York 10024-5192, USA; E-...
1Earth Sciences Section, South Australian Museum, North Terrace, Adelaide 5000, Australia; 2School of Earth and Environmental Sciences, University of Adelaide 5005, Australia; 3Museo Geologico e Paleontologico “Giovanni Capellini”, Via Zamboni 63, 40126 Bologna, Italy; and 4Ocean and Earth Science, University of Southampton, Southampton SO14 3ZH, UK ∗Correspondence to be sent to: E-mail: mike.l...
a Institut Catal a de Paleontologia Miquel Crusafont, Universitat Aut onoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Vall es, Barcelona, Spain b Department of Anthropology, Lehman College of the City University of New York, 250 Bedford Park Boulevard West, Bronx NY 10468, USA c Department of Vertebrate Paleontology, American Museum of Na...
One of the great debates about extinction is whether humans or climatic change caused the demise of the Pleistocene megafauna. Evidence from paleontology, climatology, archaeology, and ecology now supports the idea that humans contributed to extinction on some continents, but human hunting was not solely responsible for the pattern of extinction everywhere. Instead, evidence suggests that the i...
The formation and study of natural history and paleontology collections was part of the installation of political order under the Empire of Brazil, as well as the establishment of a scientific program. The symbiosis between science and the nation was actively promoted by Peter W. Lund, pioneer of paleontology studies in the country. The collections and writings produced by the naturalist lent s...
a School of Earth and Environmental Sciences, James Cook University, Townsville, QLD 4811, Australia b Section of Vertebrate Paleontology, Carnegie Museum of Natural History, 4400 Forbes Ave., Pittsburgh, PA 15213, USA c Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, 1 University Station C1100, Austin, TX 78712, USA d Department of Paleontology,...
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