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  • 1
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    Pattern of marine mass extinction near the Permian-Triassic boundary in South China (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-07-21
    Description: The Meishan section across the Permian-Triassic boundary in South China is the most thoroughly investigated in the world. A statistical analysis of the occurrences of 162 genera and 333 species confirms a sudden extinction event at 251.4 million years ago, coincident with a dramatic depletion of delta13C(carbonate) and an increase in microspherules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jin, Y G -- Wang, Y -- Wang, W -- Shang, Q H -- Cao, C Q -- Erwin, D H -- New York, N.Y. -- Science. 2000 Jul 21;289(5478):432-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nanjing Institute of Geology and Palaeontology, Academia Sinica, Nanjing 210008, China. ygjin@public1.ptt.js.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10903200" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Eukaryota ; *Fishes ; *Fossils ; Geologic Sediments ; *Invertebrates ; *Marine Biology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Gene regulatory networks and the evolution of animal body plans (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-14
    Description: Development of the animal body plan is controlled by large gene regulatory networks (GRNs), and hence evolution of body plans must depend upon change in the architecture of developmental GRNs. However, these networks are composed of diverse components that evolve at different rates and in different ways. Because of the hierarchical organization of developmental GRNs, some kinds of change affect terminal properties of the body plan such as occur in speciation, whereas others affect major aspects of body plan morphology. A notable feature of the paleontological record of animal evolution is the establishment by the Early "Cambrian of virtually all phylum-level body plans. We identify a class of GRN component, the kernels" of the network, which, because of their developmental role and their particular internal structure, are most impervious to change. Conservation of phyletic body plans may have been due to the retention since pre-Cambrian time of GRN kernels, which underlie development of major body parts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davidson, Eric H -- Erwin, Douglas H -- HD37105/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2006 Feb 10;311(5762):796-800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, California Institute of Technology, Pasadena, CA 91125, USA. davidson@caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16469913" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological/genetics ; Animals ; *Biological Evolution ; Body Patterning/*genetics ; Embryonic Development ; Fossils ; *Gene Expression Regulation, Developmental ; Genes, Regulator ; Genetic Speciation ; Morphogenesis/*genetics ; Signal Transduction/genetics ; Transcription Factors/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    The evolution and distribution of species body size (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-07-19
    Description: The distribution of species body size within taxonomic groups exhibits a heavy right tail extending over many orders of magnitude, where most species are much larger than the smallest species. We provide a simple model of cladogenetic diffusion over evolutionary time that omits explicit mechanisms for interspecific competition and other microevolutionary processes, yet fully explains the shape of this distribution. We estimate the model's parameters from fossil data and find that it robustly reproduces the distribution of 4002 mammal species from the late Quaternary. The observed fit suggests that the asymmetric distribution arises from a fundamental trade-off between the short-term selective advantages (Cope's rule) and long-term selective risks of increased species body size in the presence of a taxon-specific lower limit on body size.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clauset, Aaron -- Erwin, Douglas H -- New York, N.Y. -- Science. 2008 Jul 18;321(5887):399-401. doi: 10.1126/science.1157534.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Santa Fe Institute, 1399 Hyde Park Rd., Santa Fe, NM 87501, USA. aaronc@santafe.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18635801" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Size ; Computer Simulation ; Extinction, Biological ; Fossils ; Genetic Speciation ; Mammals/*anatomy & histology/classification/physiology ; Models, Biological ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Calibrating the end-Permian mass extinction (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-11-19
    Description: The end-Permian mass extinction was the most severe biodiversity crisis in Earth history. To better constrain the timing, and ultimately the causes of this event, we collected a suite of geochronologic, isotopic, and biostratigraphic data on several well-preserved sedimentary sections in South China. High-precision U-Pb dating reveals that the extinction peak occurred just before 252.28 +/- 0.08 million years ago, after a decline of 2 per mil ( per thousand) in delta(13)C over 90,000 years, and coincided with a delta(13)C excursion of -5 per thousand that is estimated to have lasted 〈/=20,000 years. The extinction interval was less than 200,000 years and synchronous in marine and terrestrial realms; associated charcoal-rich and soot-bearing layers indicate widespread wildfires on land. A massive release of thermogenic carbon dioxide and/or methane may have caused the catastrophic extinction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Shu-zhong -- Crowley, James L -- Wang, Yue -- Bowring, Samuel A -- Erwin, Douglas H -- Sadler, Peter M -- Cao, Chang-qun -- Rothman, Daniel H -- Henderson, Charles M -- Ramezani, Jahandar -- Zhang, Hua -- Shen, Yanan -- Wang, Xiang-dong -- Wang, Wei -- Mu, Lin -- Li, Wen-zhong -- Tang, Yue-gang -- Liu, Xiao-lei -- Liu, Lu-jun -- Zeng, Yong -- Jiang, Yao-fa -- Jin, Yu-gan -- New York, N.Y. -- Science. 2011 Dec 9;334(6061):1367-72. doi: 10.1126/science.1213454. Epub 2011 Nov 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Nanjing 210008, China. szshen@nigpas.ac.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22096103" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Carbon Dioxide ; Carbon Isotopes ; China ; *Ecosystem ; *Extinction, Biological ; Fires ; *Fossils ; Geologic Sediments ; Invertebrates/classification ; Isotopes ; Lead ; Mass Spectrometry ; Methane ; Oceans and Seas ; Plants/classification ; Radioisotope Dilution Technique ; Radiometric Dating ; Seawater/chemistry ; Time ; Uranium ; Vertebrates/classification
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Evolution. Insights into innovation (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-05-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erwin, Douglas H -- Krakauer, David C -- New York, N.Y. -- Science. 2004 May 21;304(5674):1117-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, Smithsonian Institution, Washington, DC 20560, USA. erwin@santafe.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15155937" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Diffusion of Innovation ; Economics ; Ecosystem ; *Engineering ; Environment ; Epigenesis, Genetic ; Gene Duplication ; Gene Transfer, Horizontal ; Genotype ; Mutation ; Phenotype ; Selection, Genetic ; *Technology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Abrupt and gradual extinction among Late Permian land vertebrates in the Karoo basin, South Africa (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-01-22
    Description: The Karoo basin of South Africa exposes a succession of Upper Permian to Lower Triassic terrestrial strata containing abundant terrestrial vertebrate fossils. Paleomagnetic/magnetostratigraphic and carbon-isotope data allow sections to be correlated across the basin. With this stratigraphy, the vertebrate fossil data show a gradual extinction in the Upper Permian punctuated by an enhanced extinction pulse at the Permian-Triassic boundary interval, particularly among the dicynodont therapsids, coinciding with negative carbon-isotope anomalies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ward, Peter D -- Botha, Jennifer -- Buick, Roger -- De Kock, Michiel O -- Erwin, Douglas H -- Garrison, Geoffrey H -- Kirschvink, Joseph L -- Smith, Roger -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):709-14. Epub 2005 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Washington, Seattle, WA 98195, USA. argo@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15661973" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Carbon Isotopes/analysis ; *Ecosystem ; Environment ; *Fossils ; Geologic Sediments ; Magnetics ; Plants ; South Africa ; Time ; *Vertebrates
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Macroevolution. Seeds of diversity (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erwin, Douglas H -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1752-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, MRC-121, National Museum of Natural History, Post Office Box 37012,Washington, DC 20013, USA. erwind@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15961660" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Atlantic Islands ; *Biodiversity ; *Biological Evolution ; *Ecosystem ; Environment ; Geography ; Hawaii ; Plants ; Population Density ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    U/Pb zircon geochronology and tempo of the end-permian mass extinction (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-22
    Description: The mass extinction at the end of the Permian was the most profound in the history of life. Fundamental to understanding its cause is determining the tempo and duration of the extinction. Uranium/lead zircon data from Late Permian and Early Triassic rocks from south China place the Permian-Triassic boundary at 251.4 +/- 0.3 million years ago. Biostratigraphic controls from strata intercalated with ash beds below the boundary indicate that the Changhsingian pulse of the end-Permian extinction, corresponding to the disappearance of about 85 percent of marine species, lasted less than 1 million years. At Meishan, a negative excursion in delta13C at the boundary had a duration of 165,000 years or less, suggesting a catastrophic addition of light carbon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowring -- Erwin -- Jin M W Martin YG -- Davidek -- Wang -- New York, N.Y. -- Science. 1998 May 15;280(5366):1039-45.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉S. A. Bowring, M. W. Martin, and K. Davidek are in the Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02319, USA. D. H. Erwin is in the Department of Paleobiology, National Museum of.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9582110" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    David M. Raup (1933-2015) (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erwin, Douglas H -- England -- Nature. 2015 Aug 6;524(7563):36. doi: 10.1038/524036a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉department of palaeobiology, Smithsonian Institution National Museum of Natural History, Washington DC, USA. He met David Raup in 1983 at University of Chicago as a terrified graduate student, and later worked with him at the Santa Fe Institute in New Mexico.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26245575" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 10
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    The Cambrian conundrum: early divergence and later ecological success in the early history of animals (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-11-26
    Description: Diverse bilaterian clades emerged apparently within a few million years during the early Cambrian, and various environmental, developmental, and ecological causes have been proposed to explain this abrupt appearance. A compilation of the patterns of fossil and molecular diversification, comparative developmental data, and information on ecological feeding strategies indicate that the major animal clades diverged many tens of millions of years before their first appearance in the fossil record, demonstrating a macroevolutionary lag between the establishment of their developmental toolkits during the Cryogenian [(850 to 635 million years ago (Ma)], and the later ecological success of metazoans during the Ediacaran (635 to 541 Ma) and Cambrian (541 to 488 Ma) periods. We argue that this diversification involved new forms of developmental regulation, as well as innovations in networks of ecological interaction within the context of permissive environmental circumstances.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erwin, Douglas H -- Laflamme, Marc -- Tweedt, Sarah M -- Sperling, Erik A -- Pisani, Davide -- Peterson, Kevin J -- New York, N.Y. -- Science. 2011 Nov 25;334(6059):1091-7. doi: 10.1126/science.1206375.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, National Museum of Natural History, Washington, DC 20013-7012, USA. erwind@si.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22116879" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; Environment ; Evolution, Molecular ; Extinction, Biological ; *Fossils ; Gene Expression Regulation, Developmental ; Genes, Developmental ; *Genetic Speciation ; *Phylogeny ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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