Dinosaur Palaeontology and their Environment
نویسندگان
چکیده
منابع مشابه
Palaeontology: Scrapes of Dinosaur Courtship
Analysis of numerous trace fossils reveals 'nest scrape displays' made by dinosaurs that are analogous to those left by modern birds.
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Tyler R. Lyson1,2,*, Antoine Bercovici3, Stephen G. B. Chester4, Eric J. Sargis4,5, Dean Pearson6 and Walter G. Joyce5,7 Department of Geology and Geophysics, Yale University, New Haven, CT 06511, USA Marmarth Research Foundation, Marmarth, ND 58643, USA State Key Laboratory of Biogeology and Environmental Geology (China University of Geosciences), Wuhan 430074, China Department of Anthropology...
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In the broadest possible sense, molecular palaeontology might encompass any and all chemical traces left by onceliving organismsorby their life processes.Thiswould cover fields ranging from isotope geochemistry and biomineralization to molecular biology. However, in a more restricted sense, molecular palaeontology is the study of complex organic molecules made by once-living organisms. In some ...
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Cambrian Orsten-type fossils have yielded specimens with a uniquely detailed morphology from the early stages of animal evolution. A newly discovered crustacean larva illustrates how morphology and lifestyle over half a billion years ago closely resembled those of extant relatives.
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Despite the many reconstructions of fossil material that have recently appeared in the literature, dinosaur eggshells have never been reconstructed using computing techniques. Using the EMAC 3-D modelling methodology, we reconstruct a section of the Late Cretaceous Megaloolithus siruguei eggshell, which has a particularly complex pore system, exhibiting an intricate network of vertical, oblique...
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ژورنال
عنوان ژورنال: Journal of Iberian Geology
سال: 2015
ISSN: 1886-7995,1698-6180
DOI: 10.5209/rev_jige.2015.v41.n1.48650