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On Fodonyx spenceri and a new rhynchosaur from the Middle Triassic of Devon

LANGER, Max C.; MONTEFELTRO, Felipe C.; HONE, David E.; WHATLEY, Robin; SCHULTZ, Cesar L.
Fonte: SOC VERTEBRATE PALEONTOLOGY Publicador: SOC VERTEBRATE PALEONTOLOGY
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
26.87%

Cladistic analysis of the suborder Conulariina Miller and Gurley, 1896 (Cnidaria, Scyphozoa; Vendian-Triassic)

LEME, Juliana De Moraes; SIMOES, Marcello Guimaraes; MARQUES, Antonio Carlos; ITEN, Heyo Van
Fonte: WILEY-BLACKWELL Publicador: WILEY-BLACKWELL
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
26.87%
Results of a cladistic analysis of the suborder Conulariina Miller and Gurley, 1896, a major extinct (Vendian-Triassic) group of scyphozoan cnidarians, are presented. The analysis sought to test whether the three conulariid subfamilies (Conulariinae Walcott, 1886, Paraconulariinae Sinclair, 1952 and Ctenoconulariinae Sinclair, 1952) recognized in the Treatise on Invertebrate Paleontology ( TIP) are monophyletic. A total of 17 morphological characters were scored for 16 ingroup taxa, namely the genera Archaeoconularia, Baccaconularia, Climacoconus, Conularia, Conulariella, Conularina, Ctenoconularia, Eoconularia, Glyptoconularia, Metaconularia, Notoconularia, Paraconularia, Pseudoconularia, Reticulaconularia, Teresconularia and Vendoconularia. The extant medusozoan taxa Cubozoa, Stauromedusae, Coronatae and Semaeostomeae served as outgroups. Unweighted analysisof the data matrix yielded 1057 trees, and successive weighting analysis resulted in one of the 1057 original trees. The ingroup is monophyletic with two autapomorphies: (1) the quadrate geometry of the oral region; and (2) the presence of a mineralized (phosphatic) periderm. Within the ingroup, the clade (Vendoconularia, Teresconularia, Conularina, Eoconularia) is supported by the sinusoidal longitudinal geometry of the transverse ridges...

A nação pela pedra: coleções de paleontologia no Brasil, 1836-1844

Martinez, Paulo Henrique
Fonte: Casa de Oswaldo Cruz, Fundação Oswaldo Cruz Publicador: Casa de Oswaldo Cruz, Fundação Oswaldo Cruz
Tipo: Artigo de Revista Científica Formato: 1155-1170
POR
Relevância na Pesquisa
27.13%
A formação e o estudo de coleções de história natural e de paleontologia participaram da instauração da ordem política do Império do Brasil, delineando também uma ordem científica. A simbiose entre ciência e nação encontrou em Peter W. Lund, iniciador dos estudos de paleontologia em nosso país, um agente ativo e constante. As coleções e escritos desse naturalista deram amparo à visualização do passado e à escrita da história em museus, instituições científicas e culturais brasileiras e europeias. As disputas pelo ordenamento político sob as Regências e a Maioridade foram acompanhadas de perto pelo estudo e a explicação das formas de vida e do globo no passado.; 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 support to the visualization of the past and the writing of history in Brazilian and European scientific and cultural institutions and museums. The disputes over the political order under the Regencies and the Majority were closely accompanied by the study and explanation of the forms of life and the planet found in the past.

Revisão dos Testudines fósseis do cretáceo superior da Bacia Bauru, com a descrição preliminar de novo morfótipo

Menegazzo, Mirian Costa
Fonte: Universidade Estadual Paulista (UNESP) Publicador: Universidade Estadual Paulista (UNESP)
Tipo: Dissertação de Mestrado Formato: 137 f. : il., tabs. + 2 mapas
POR
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26.87%
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Pós-graduação em Geologia Regional - IGCE; Testudines constituem um grupo de amniotas muito comum em depósitos do Cretáceo do Brasil, sendo abundantes na Bacia Bauru. Até o momento, para estes sedimentos, foram descritas as espécies “Podocnemis” harrisi, “Podocnemis” brasiliensis, Roxochelys wanderleyi, Bauruemys elegans e Cambaremys langertoni. As ocorrências de Testudines distribuem-se amplamente pelo Oeste dos estados de São Paulo e Minas Gerais, estando presentes nas formações Santo Anastácio, Araçatuba, Adamantina e Marília. O presente estudo revisa a Paleontologia, Paleoecologia e Paleobiogeografia relacionadas a essas ocorrências. Em adição, um novo material é descrito e discutida a Filogenia de alguns Pelomedusoides e as espécies presentes na Bacia Bauru. A descrição do novo morfótipo permitiu algumas questões sobre o relacionamento entre Cambaremys langertoni e “Podocnemis” brasiliensis, considerados no presente trabalho como um único táxon. Assim, essa proposta pode trazer possibilidades de correlações estratigráficas, porque o novo morfótipo, e as espécies Cambaremys langertoni e “Podocnemis” brasiliensis são provenientes de quatros unidades geológicas distintas da Bacia Bauru...

Fósseis do afloramento Santa Irene, cretácio superior da Bacia Bauru : inferências paleoecológicas; Fossils of outcrop, upper cretaceous Bauru Basin : paleoecological inferences

Sandra Aparecida Simionato Tavares
Fonte: Biblioteca Digital da Unicamp Publicador: Biblioteca Digital da Unicamp
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 27/06/2011 PT
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O Afloramento Santa Irene tem sido considerado um dos mais significativos da Bacia Bauru, na Formação Adamantina, pela abundancia e boa conservação de fósseis associados ali encontrados, como dentes isolados de arcossauros carnívoros associados a fósseis de um dinossauro saurópode herbívoro. Os fósseis foram coletados nos anos de 1997 e 1998, na área rural do Município de Monte Alto - SP, e hoje compõem parte do acervo do Museu de Paleontologia de Monte Alto. Os dentes isolados de tal afloramento são o principal material de estudo deste trabalho, que, acrescidos a outros dados obtidos através da análise das feições bioestratinômicas e geológicas da região, permitiram tecer uma interpretação paleoecológica para o Afloramento Santa Irene. Foram analisados vinte e seis exemplares de dentes de arcossauros carnívoros, sendo dezoito deles enquadrados como Theropoda e oito como elementos dentários pertencentes aos Crocodyliformes. Os dentes de Theropoda se distinguem daqueles de Crocodyliformes por serem os primeiros mais achatados lateralmente, além de apresentarem serrilhas. Foi possível constatar que quatorze dos dezoito exemplares classificados dentro da Subordem Theropoda apresentam características pertencentes à Ceratosauria...

Espectroscopia Raman e quimiometria como ferramentas analíticas para química forense e paleontologia; Raman spectroscopy and chemometrics as analytical tools for forensic chemistry and paleontology

Mariana Ramos de Almeida
Fonte: Biblioteca Digital da Unicamp Publicador: Biblioteca Digital da Unicamp
Tipo: Tese de Doutorado Formato: application/pdf
Publicado em 28/01/2015 PT
Relevância na Pesquisa
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A motivação para o desenvolvimento dessa tese foi a busca por métodos de análise não destrutivos, com nenhum ou mínimo preparo de amostra e que permitam a obtenção do máximo de informação com a realização de uma única análise na área de forense e paleontologia. Em forense, a espectroscopia Raman e o método de classificação supervisionado PLS-DA (Análise Discriminante por Mínimos Quadrados Parciais) foram empregados para construir modelos de classificação. O primeiro modelo foi construído para discriminar cédulas autênticas de cédulas falsas. A análise foi baseada na caracterização das tintas usadas na confecção das cédulas. O segundo modelo de classificação foi construído para diferenciar o óleo essencial extraído de diferentes partes (caule, folhas e galhos) da árvore amazônica Aniba Rosaeodora. A confiabilidade dos modelos foi avaliada pelo cálculo do intervalo de confiança, que foram calculados usando a técnica de reamostragem bootstrap. Os resultados obtidos mostraram que os modelos de classificação podem ser usados como método complementar à inspeção forense clássica e método de triagem. O desempenho dos modelos de classificação foi avaliado pelo cálculo de sensibilidade, especificidade...

Vertebrados fósseis do Cretácico e Cenozóico de Angola: a comunicação e divulgação de ciência através da ilustração científica

Bruno, Joana Catarina Araújo
Fonte: Universidade de Évora Publicador: Universidade de Évora
Tipo: Dissertação de Mestrado
POR
Relevância na Pesquisa
26.87%
O projeto final de mestrado reúne um conjunto de ilustrações científicas de espécies fósseis de Angola (atualmente em processo de preparação e estudo no Museu da Lourinhã), bem como as infografias onde se explora o potencial comunicativo das imagens produzidas. Estas ilustrações possuem um variado espectro de aplicabilidade. Os desenhos integrarão publicações científicas (vários artigos e uma monografia) atualmente em preparação pela equipa do Projecto PaleoAngola, a par de outros elementos de informação e divulgação museográfica com expressão junto de um público diversificado. Neste sentido, as imagens abrangem todas as vertentes da Ilustração Paleontológica: os desenhos clássicos de descrição formal; as reconstruções do esqueleto articulado; as representações da musculatura; e as recriações do aspeto dos animais em vida e a sua integração em paleoambientes. Além das ilustrações propriamente ditas, apresenta-se ainda um método de geração de modelos tridimensionais que poderão constituir uma referência sólida para o desenho de fósseis. O presente relatório materializa todas as decisões tomadas ao longo deste processo ao nível da conceptualização, planificação e plano tecnológico de elaboração dos desenhos. Em suma...

Molecular paleontology and complexity in the last eukaryotic common ancestor

Koumandou, V. Lila; Wickstead, Bill; Ginger, Michael L.; van der Giezen, Mark; Dacks, Joel B.; Field, Mark C.
Fonte: Informa Healthcare USA, Inc. Publicador: Informa Healthcare USA, Inc.
Tipo: Artigo de Revista Científica
EN
Relevância na Pesquisa
26.87%
Eukaryogenesis, the origin of the eukaryotic cell, represents one of the fundamental evolutionary transitions in the history of life on earth. This event, which is estimated to have occurred over one billion years ago, remains rather poorly understood. While some well-validated examples of fossil microbial eukaryotes for this time frame have been described, these can provide only basic morphology and the molecular machinery present in these organisms has remained unknown. Complete and partial genomic information has begun to fill this gap, and is being used to trace proteins and cellular traits to their roots and to provide unprecedented levels of resolution of structures, metabolic pathways and capabilities of organisms at these earliest points within the eukaryotic lineage. This is essentially allowing a molecular paleontology. What has emerged from these studies is spectacular cellular complexity prior to expansion of the eukaryotic lineages. Multiple reconstructed cellular systems indicate a very sophisticated biology, which by implication arose following the initial eukaryogenesis event but prior to eukaryotic radiation and provides a challenge in terms of explaining how these early eukaryotes arose and in understanding how they lived. Here...

Functional craniology and brain evolution: from paleontology to biomedicine

Bruner, Emiliano; de la Cuétara, José Manuel; Masters, Michael; Amano, Hideki; Ogihara, Naomichi
Fonte: Frontiers Media S.A. Publicador: Frontiers Media S.A.
Tipo: Artigo de Revista Científica
Publicado em 02/04/2014 EN
Relevância na Pesquisa
26.87%
Anatomical systems are organized through a network of structural and functional relationships among their elements. This network of relationships is the result of evolution, it represents the actual target of selection, and it generates the set of rules orienting and constraining the morphogenetic processes. Understanding the relationship among cranial and cerebral components is necessary to investigate the factors that have influenced and characterized our neuroanatomy, and possible drawbacks associated with the evolution of large brains. The study of the spatial relationships between skull and brain in the human genus has direct relevance in cranial surgery. Geometrical modeling can provide functional perspectives in evolution and brain physiology, like in simulations to investigate metabolic heat production and dissipation in the endocranial form. Analysis of the evolutionary constraints between facial and neural blocks can provide new information on visual impairment. The study of brain form variation in fossil humans can supply a different perspective for interpreting the processes behind neurodegeneration and Alzheimer’s disease. Following these examples, it is apparent that paleontology and biomedicine can exchange relevant information and contribute at the same time to the development of robust evolutionary hypotheses on brain evolution...

The “Bear” Essentials: Actualistic Research on Ursus arctos arctos in the Spanish Pyrenees and Its Implications for Paleontology and Archaeology

Arilla, Maite; Rosell, Jordi; Blasco, Ruth; Domínguez-Rodrigo, Manuel; Pickering, Travis Rayne
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
Publicado em 16/07/2014 EN
Relevância na Pesquisa
26.87%
Neotaphonomic studies of large carnivores are used to create models in order to explain the formation of terrestrial vertebrate fossil faunas. The research reported here adds to the growing body of knowledge on the taphonomic consequences of large carnivore behavior in temperate habitats and has important implications for paleontology and archaeology. Using photo- and videotrap data, we were able to describe the consumption of 17 ungulate carcasses by wild brown bears (Ursus arctos arctos) ranging the Spanish Pyrenees. Further, we analyzed the taphonomic impact of these feeding bouts on the bones recovered from those carcasses. The general sequence of consumption that we charted starts with separation of a carcass’s trunk; viscera are generally eaten first, followed by musculature of the humerus and femur. Long limb bones are not broken open for marrow extraction. Bears did not transport carcasses or carcass parts from points of feeding and did not disperse bones appreciably (if at all) from their anatomical positions. The general pattern of damage that resulted from bear feeding includes fracturing, peeling, crenulation, tooth pitting and scoring of axial and girdle elements and furrowing of the upper long limb bones. As predicted from observational data...

Organogenesis in deep time: A problem in genomics, development, and paleontology

Pieretti, Joyce; Gehrke, Andrew R.; Schneider, Igor; Adachi, Noritaka; Nakamura, Tetsuya; Shubin, Neil H.
Fonte: National Academy of Sciences Publicador: National Academy of Sciences
Tipo: Artigo de Revista Científica
EN
Relevância na Pesquisa
26.87%
Phylogenetic data inclusive of rich paleontological records can be used to inform hypotheses on evolutionary transformations. These data, when combined with developmental studies and functional genomic assays in model and nonmodel organisms, expand our understanding of the evolutionary processes that build and pattern the vertebrate body plan. Here, we highlight a direction of the fossil record, one of “experimental paleontology,” where morphological transformations inferred from the fossil record can be experimentally assayed in the lab. With the addition of genomic techniques to test hypotheses, researchers can now begin to explore genomic states that have influenced both past and present morphological diversity.

BEYOND THE PRINT—VIRTUAL PALEONTOLOGY IN SCIENCE PUBLISHING, OUTREACH, AND EDUCATION

LAUTENSCHLAGER, STEPHAN; RÜCKLIN, MARTIN
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
Publicado em 01/07/2014 EN
Relevância na Pesquisa
26.87%
Virtual paleontology unites a variety of computational techniques and methods for the visualization and analysis of fossils. Due to their great potential and increasing availability, these methods have become immensely popular in the last decade. However, communicating the wealth of digital information and results produced by the various techniques is still exacerbated by traditional methods of publication. Transferring and processing three-dimensional information, such as interactive models or animations, into scientific publications still poses a challenge. Here, we present different methods and applications to communicate digital data in academia, outreach and education. Three-dimensional PDFs, QR codes, anaglyph stereo imaging, and rapid prototyping—methods routinely used in the engineering, entertainment, or medical industries—are outlined and evaluated for their potential in science publishing and public engagement. Although limitations remain, these are simple, mostly cost-effective, and powerful tools to create novel and innovative resources for education, public engagement, or outreach.

Dinosaurs: Assembling an Icon of Science

Rieppel, Lukas Benjamin
Fonte: Harvard University Publicador: Harvard University
Tipo: Thesis or Dissertation
EN_US
Relevância na Pesquisa
27.3%
This dissertation examines how the modern dinosaur—fully mounted, freestanding assemblages of vertebrate fossils such as we are accustomed to seeing at the natural history museum—came into being during the late 19th and early 20th century, focusing especially on the United States. But it is not just, or even primarily a history of vertebrate paleontology. Rather, I use dinosaurs as an opportunity to explore how science was embedded in broader changes that were happening at the time. In particular, I am interested in tracing how the culture of modern capitalism—the ideals, norms, and practices that governed matters of value and exchange—manifested itself in the way fossils were collected, studied, and put on display. During the second half of the 19th century, America experienced an extended period of remarkable economic growth. By the eve of WWI, it had emerged as the world’s largest producer of goods and services. At the same time, paleontologists were unearthing the fossil remains of marvelous creatures the likes of which no one had ever dreamed in the American west. The discovery of dinosaurs like Brontosaurus, Stegosaurus, Tyrannosaurus, and Triceratops prompted the nation’s wealthy elite to begin cultivating an intense interest in vertebrate paleontology. In part...

Plio-Pleistocene stratigraphy and paleontology of southern Florida ( FGS: Special publication 36 )

Scott, Thomas M; Allmon, Warren D; Florida Geological Survey
Fonte: Florida Geological Survey; Florida Geological Survey ( Tallahassee, Fla. ) Publicador: Florida Geological Survey; Florida Geological Survey ( Tallahassee, Fla. )
Tipo: Artigo de Revista Científica Formato: viii, 194 p. : ill., maps ; 28 cm.
Publicado em //1992 ENGLISH
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(Bibliography) Includes bibliographical references.; At head of title: State of Florida, Department of Natural Resources, Division of Resource Management, Florida Geological Survey.; (Statement of Responsibility) edited by Thomas M. Scott and Warren D. Allmon.

Contributions to Florida vertebrate paleontology ( FGS: Bulletin 22 ); Rostrum of Felsinotherium ossivalense

Florida Geological Survey; Conrad, George Miles, 1911-; Gregory, Joseph Tracy, 1914-
Fonte: Florida Bureau of Geology; Florida Bureau of Geology ( Tallahassee, Fla. ) Publicador: Florida Bureau of Geology; Florida Bureau of Geology ( Tallahassee, Fla. )
Tipo: Artigo de Revista Científica Formato: 47 p. : ill., plates ; 23 cm.
Publicado em //1941 ENGLISH
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(Bibliography) "Literature cited": p. 18, 41.; (Statement of Responsibility) by G. Miles Conrad. The rostrum of Felsinotherium ossivalense / by Joseph T. Gregory.

Paleontology Australasian

University of Adelaide. School of Geology collector
Fonte: 1898-1941 Publicador: 1898-1941
Tipo: Outros
Publicado em //1898 EN
Relevância na Pesquisa
37.13%
A collection of articles relating to Paleontology Australasian issued between 1898 and 1941 from various journals; as collected and bound together by the School. Some items are inscribed by the individual authors to Mawson or Howchin respectively. Item 12 in vol. 12 (read 14 Apr. 1938) on the fossil penguin, is inscribed by the author to Sir Douglas Mawson with note: "I found the skeleton of Aptenodytes forsteri you brought back to the museum in 1914 of great value in making these comparisions HHF".; Contents listing; Scanned from the original held in Rare Books & Special Collections, Barr Smith Library.

Ordovician Stratigraphy and the Physiography of Part of Southeastern Indiana

Patton, John B.; Perry, Thomas G.; Wayne, William J.
Fonte: Indiana Geological Survey Publicador: Indiana Geological Survey
Tipo: Livro Formato: 3707430 bytes; application/pdf
EN_US
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Indiana Geological Survey Guidebook 6; This field trip guidebook discusses the stratigraphy and paleontology of the Ordovician rocks exposed in southeastern Indiana. Ordovician rocks in southern Indiana are exposed in a region that is stimulating to physiographers and Pleistocene geologist. Consequently, in addition to the stratigraphy and paleontology of the Ordovician bedrock, this conference directs attention to prominent physiographic features in this area, many of which owe their origin to Pleistocene glaciation, and to concepts regarding their development. Ordovician rocks in southern Indiana are paleontologically attractive because they are so richly fossiliferous. Well-preserved specimens maybe readily collected in weathered exposures and in the soft shales of the Cincinnatian (Upper Ordovician) series. Southeastern Indiana has not yielded mineral commodities as plentifully as other parts of the state. Nevertheless, two stops and several observation points along the route of the caravan draw attention to some of the industrial minerals found in this area. This conference is designed to present as coherent a view as time will permit of the geology of southeastern Indiana. The stops have been carefully selected to show features of stratigraphic...

Virtual Dinosaurs - Developing Computer Aided Design and Computer Aided Engineering Modeling Methods for Vertebrate Paleontology; Virtuelle Dinosaurier - Entwicklung von Modellierungsmethoden für Computer Aided Design und Computer Aided Engineering für die Wirbeltierpaläontologie

Mallison, Heinrich
Fonte: Universität Tübingen Publicador: Universität Tübingen
Tipo: Dissertation; info:eu-repo/semantics/doctoralThesis
EN
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37.3%
The use of personal computers offers many benefits to researchers compared to conventional methods, not the least of them the easy visualization of three-dimensional (3D) structures. With rapidly increasing computing power, the last few decades have seen the rise of a large number of new applications for many purposes, some of which have been successfully employed for vertebrate paleontology. Here, a description is given on how to use several commercially available computer aided design (CAD) and kinetic/dynamic Computer Aided Engineering (CAE) modeling software programs as tools for paleontological research. The focus rests on the creation and use of 'virtual' bones, for biomechanical analyses and use in reconstruction of entire skeletons, the use of these 'virtual' skeletons as tools for the creation of 3D 'flesh' models, which are helpful in mass estimates, and finally on multi-body kinetic/dynamic modeling, using these 'flesh' models to analyze posture and gait of extinct dinosaurs. Specifically, the following techniques are described, most of which have been newly developed or significantly improved: - Mechanical digitizing of fossil bones using Rhinoceros 3.0® and NURBS curves - Mechanical digitizing of fossil bones using Rhinoceros 3.0® and point clouds - Mounting 'virtual' skeletons from either mechanically digitized bones or CT-based data - Creating 3D 'flesh' models from 'virtual' skeletons - Creating 3D 'flesh' models from laser scan point cloud data of mounted skeletons - Creating 3D 'flesh' models from silhouette drawings of skeletons - Evaluating the accuracy of 2D and 3D reconstructions using 'virtual' skeletons - Modeling posture...

Laser-Stimulated Fluorescence in Paleontology

Kaye, Thomas G.; Falk, Amanda R.; Pittman, Michael; Sereno, Paul C.; Martin, Larry D.; Burnham, David A.; Gong, Enpu; Xu, Xing; Wang, Yinan
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
Publicado em 27/05/2015 EN
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27.13%
Fluorescence using ultraviolet (UV) light has seen increased use as a tool in paleontology over the last decade. Laser-stimulated fluorescence (LSF) is a next generation technique that is emerging as a way to fluoresce paleontological specimens that remain dark under typical UV. A laser’s ability to concentrate very high flux rates both at the macroscopic and microscopic levels results in specimens fluorescing in ways a standard UV bulb cannot induce. Presented here are five paleontological case histories that illustrate the technique across a broad range of specimens and scales. Novel uses such as back-lighting opaque specimens to reveal detail and detection of specimens completely obscured by matrix are highlighted in these examples. The recent cost reductions in medium-power short wavelength lasers and use of standard photographic filters has now made this technique widely accessible to researchers. This technology has the potential to automate multiple aspects of paleontology, including preparation and sorting of microfossils. This represents a highly cost-effective way to address paleontology's preparatory bottleneck.

Los objetivos cognitivos de la paleontologí­a cuvieriana; Los objetivos cognitivos de la palentología Cuvieriana

Caponi, Gustavo
Fonte: Federal University of Santa Catarina – UFSC Publicador: Federal University of Santa Catarina – UFSC
Tipo: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; ; Formato: application/pdf
Publicado em 01/01/2004 POR
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Cuvier’s confidence in the possibility of reconstructing the way of life of an extinct animal from a complete knowledge of its anatomy and its physiology could make us think that his program for paleontology somewhat anticipated Darwinian adaptacionism. Nevertheless, even if this interpretation seemsreasonable, it ignores the cognitive aims and the fundamental presuppositions of the Cuvierian program. This ignorance conspires against a correct evaluation of the meaning and the impact of the results obtained by Cuvier in the study of fossils. The relevance of those results is in showing that extinctliving beings were subordinated to the same laws of organization as living beings existing today.; A confiança de Cuvier na possibilidade de reconstruir o modo de vida de um animal extinto a partir de um conhecimento completo de sua anatomia e sua fisiologia poderia nos fazer pensar que seu programa para a paleontologia antecipou de alguma forma o adaptacionismo darwinista. Entretanto, mesmo que esse interpreetação pareça razoável, ela ignora os objetivos cognitivos e as pressuposições fundamentais do programa Cuvieriano. Essa ignorância conspira contra uma correta avaliação do significado e do impacto dos resultados obtidos por Cuvier no estudo dos fósseis. A relevância de tais resultados está em mostrar que seres vivos extintos estavam subordinados às mesmas leis da organização que os seres vivos que existem hoje.