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Articles 841 à 860 sur 1260
Par Xiaoming Wang, Richard Tedford. 2008
Xiaoming Wang and Richard H. Tedford have spent the past 20 years studying the evolutionary history of the family Canidae.…
Both are well known for having established the modern framework for the evolutionary relationship of canids. Combining their research with Mauricio Antón's impeccable reconstructions of both extinct and extant species, Wang and Tedford present a remarkably detailed and nuanced portrait of the origin and evolution of canids over the past 40 million years. The authors cull their history from the most recent scientific research conducted on the vast collections of the American Museum of Natural History and other leading institutions. The fossil record of the Canidae, particularly those from their birth place in North America, are the strongest of their kind among known groups of carnivorans. Such a wonderfully detailed evolutionary history provides access to a natural history that is not possible with many other groups of carnivorans.With their rich fossil record, diverse adaptations to various environments, and different predatory specializations, canids are an ideal model organism for the mapping of predator behavior and morphological specializations. They also offer an excellent contrast to felids, which remain entrenched in extreme predatory specializations. The innovative illustrated approach in this book is the perfect accompaniment to an extremely important branch of animal and fossil study. It transforms the science of paleontology into a thrilling visual experience and provides an unprecedented reference for anyone fascinated by dogs.Par Spencer Lucas. 2016
Geared towards a broad variety of students, Dinosaurs: The Textbook, sixth edition, is a concise and lucid presentation of the…
biological and geological concepts of dinosaur science. It clarifies the evolution, phylogeny, and classification of the various species while modeling the best approach for navigating new and existing research. Revised to reflect recent fossil discoveries and the current consensus on dinosaur science, this text moves through the major taxonomic groups—including theropods, sauropodomorphs, ornithopods, ceratopsians, pachycephalosaurs, stegosaurs, and ankylosaurs—and concludes with updated chapters on the behavior and extinction of the dinosaurs, their biological relationship to birds, and their representation (or misrepresentation) in art, literature, film, and other forms of popular culture.The sixth edition represents a major revision of the leading text for an introductory course on dinosaurs, including comprehensive updates based on the latest scientific discoveries, research, and literature. With an extensive art program revised by leading paleoartists that features cutting-edge illustrations, it is a complete reader-friendly pedagogical package with extensive end-of-chapter summary tools, review questions, a detailed glossary, a dinosaur dictionary, and a comprehensive index. Please visit our supplemental materials page (https://cup.columbia.edu/extras/supplement/dinosaurs-the-textbook-sixth-edition) to find study and teaching aides for both students and teachers using Dinosaurs: The Textbook, sixth edition in class.Par Donald R. Prothero. 2009
Donald R. Prothero's science books combine leading research with first-person narratives of discovery, injecting warmth and familiarity into a profession…
that has much to offer nonspecialists. Bringing his trademark style and wit to an increasingly relevant subject of concern, Prothero links the climate changes that have occurred over the past 200 million years to their effects on plants and animals. In particular, he contrasts the extinctions that ended the Cretaceous period, which wiped out the dinosaurs, with those of the later Eocene and Oligocene epochs.Prothero begins with the "greenhouse of the dinosaurs," the global-warming episode that dominated the Age of Dinosaurs and the early Age of Mammals. He describes the remarkable creatures that once populated the earth and draws on his experiences collecting fossils in the Big Badlands of South Dakota to sketch their world. Prothero then discusses the growth of the first Antarctic glaciers, which marked the Eocene-Oligocene transition, and shares his own anecdotes of excavations and controversies among colleagues that have shaped our understanding of the contemporary and prehistoric world. The volume concludes with observations about Nisqually Glacier and other locations that show how global warming is happening much quicker than previously predicted, irrevocably changing the balance of the earth's thermostat. Engaging scientists and general readers alike, Greenhouse of the Dinosaurs connects events across thousands of millennia to make clear the human threat to natural climate change.Par Analía M. Forasiepi, Guillermo W. Rougier, Agustín G. Martinelli. 2021
This book summarizes the most relevant published paleontological information, supplemented by our own original work, on the record of Mesozoic…
mammals’ evolution, their close ancestors and their immediate descendants. Mammals evolved in a systematically diverse world, amidst a dynamic geography that is at the root of the 6,500 species living today. Fossils of Mesozoic mammals, while rare and often incomplete, are key to understanding how mammals have evolved over more than 200 million years. Mesozoic mammals and their close relatives occur in a few dozen localities from Argentina, Brazil, Chile, Bolivia, and Peru spanning from the Mid- Triassic to the Late Cretaceous, with some lineages surviving the cataclysmic end of the Cretaceous period, into the Cenozoic of Argentina. There are roughly 25 recognized mammalian species distributed in several distinctive lineages, including australosphenidans, multituberculates, gondwanatherians, eutriconodonts, amphilestids and dryolestoids, among others. With its focus on diversity, systematics, phylogeny, and their impact on the evolution of mammals, there is no similar book currently available.Par Barry D., Florentin Paris, Mary L. Droser, Ian G. Percival, Eds., Webby. 2004
Two of the greatest evolutionary events in the history of life on Earth occurred during Early Paleozoic time. The first…
was the Cambrian explosion of skeletonized marine animals about 540 million years ago. The second was the "Great Ordovician Biodiversification Event," which is the focus of this book. During the 46-million-year Ordovician Period (489–443 m.y.), a bewildering array of adaptive radiations of "Paleozoic- and Modern-type" biotas appeared in marine habitats, the first animals (arthropods) walked on land, and the first non-vascular bryophyte-like plants (based on their cryptospore record) colonized terrestrial areas with damp environments.This book represents a compilation by a large team of Ordovician specialists from around the world, who have enthusiastically cooperated to produce this first globally orientated, internationally sponsored IGCP (International Geological Correlation Program) project on Ordovician biotas. The major part is an assembly of genus- and species-level diversity data for the many Ordovician fossil groups. The book also presents an evaluation of how each group diversified through Ordovician time, with assessments of patterns of change and rates of origination and extinction. As such, it will become the standard work and data source for biotic studies on the Ordovician Period.Par Paul D. Taylor. 2020
Bryozoa are among the most abundant yet least understood of phyla in the fossil record. These exclusively colonial animals can be…
traced back to the Ordovician as fossils and are common elements of sediments deposited in shallow marine environments. On occasion their calcareous skeletons are sufficiently numerous to produce bryozoan limestones. The potential of bryozoans in facies analysis, and their use in macroevolutionary studies, have both been widely recognised, but to date have been incompletely exploited. Bryozoan Paleobiology brings together the scattered research on living and fossil bryozoans in broad and profusely illustrated overview that will help students and researchers alike in understanding this fascinating group of animals. Beginning with the basics of bryozoan morphology, ecology and classification, the book progresses from the smallest scale of skeletal ultrastructure, to the largest of bryozoan distributions in time and space. On the way, topics such as the origin of zooidal polymorphism and macroevolutionary trends in colony forms are covered. Case studies illuminate these topics, and areas in which further research is particularly required are highlighted.Par Donald R. Prothero. 2020
The theory of evolution unites the past, present, and future of living things. It puts humanity’s place in the universe…
into necessary perspective. Despite a history of controversy, the evidence for evolution continues to accumulate as a result of many separate strands of amazing scientific sleuthing.In The Story of Evolution in 25 Discoveries, Donald R. Prothero explores the most fascinating breakthroughs in piecing together the evidence for evolution. In twenty-five vignettes, he recounts the dramatic stories of the people who made crucial discoveries, placing each moment in the context of what it represented for the progress of science. He tackles topics like what it means to see evolution in action and what the many transitional fossils show us about evolution, following figures from Darwin to lesser-known researchers as they unlock the mysteries of the fossil record, the earth, and the universe. The book also features the stories of animal species strange and familiar, including humans—and our ties to some of our closest relatives and more distant cousins. Prothero’s wide-ranging tales showcase awe-inspiring and bizarre aspects of nature and the powerful insights they give us into the way that life works.Brisk and entertaining while firmly grounded in fundamental science, The Story of Evolution in 25 Discoveries is a captivating read for anyone curious about the evidence for evolution and what it means for humanity.Par Amie Jane Leavitt. 2021
Wouldn't it be cool to have a job working with or around the things you love? Fascinated by dinosaurs? Perhaps…
a career in paleontology is something you would dig! Readers will discover the possibilites of careers working with dinosaurs.Par Keli Sipperley. 2021
Plants and animals from millions of years ago left behind fossils. Fossils can teach people about the past. They are…
also used for fuel. Discover why fossils are an important part of nature!Par Soumyajit Mukherjee. 2021
This book helps a novice to explore the terrain independently. Geoscience fieldwork with a focus on structural geology and tectonics…
has become more important in the last few years from both academic and industrial perspectives. This book also works as a resource material for batches of students or geological survey professional undergoing training as parts of their course curriculum. Industry persons, on the other hand, can get a first-hand idea about what to expect in the field, in case no academic person is available with the team. This book focused on structural geology and tectonics compiles for the very first time terrains from several regions of the globe.Par Michael R. Rosen, David B. Finkelstein, Lisa Park Boush, Sila Pla-Pueyo. 2021
This book honors the career of Professor Elizabeth Gierlowski-Kordesch who was a pioneer and leader in the field of limnogeology…
since the 1980s. Her work was instrumental in guiding students and professionals in the field until her untimely death in 2016. This collection of chapters was written by her colleagues and students and recognize the important role that Professor Gierlowski-Kordesch had in advancing the field of limnogeology. The chapters show the breadth of her reach as these have been contributed from virtually every continent.This book will be a primary reference for scientists, professionals and graduate students who are interested in the latest advances in limnogeologic processes and basin descriptions in North and South America, Europe, Africa, and China.*Free supplementary material available online for chapters 3,11,12 and 13.Access by searching for the book on link.springer.comPar Noritoshi Suzuki, David Lazarus, Yoshiyuki Ishitani, Kozo Takahashi. 2021
Polycystine radiolaria are exclusively marine protists and are found in all ocean waters, from polar regions to the tropics, and at all water depths.…
There are approximately 600 distinct described living species and several thousand fossil species of polycystines. Radiolarians in general, and polycystines in particular, have recently been shown to be a major component of the living plankton and important to the oceanic carbon cycle. As fossils radiolarians are also fairly common, and often occur in sediments where other types of fossils are absent. This has made them very valuable for certain types of geologic research, particularly estimating the geologic age of the sediments containing them, and as guides to past oceanic water conditions. As our current understanding of the biology, and even taxonomy of the living fauna is still very incomplete, evolutionary studies based on living polycystines are still rare. However, the common occurrence of numerous specimens for many species, and in a wide variety of oceanic environments, provides an excellent opportunity to study the processes of biologic evolution in the fossil record. Paleobiology of the Polycystine Radiolaria is the first major book on radiolarians to appear in the western literature since 2001. Focusing on living and fossil siliceous shelled radiolarians, it is notable for its emphasis not upon morphologic or taxonomic detail but on concepts and applications. The book attempts to provide a balanced, critical review of what is known of the biology, ecology, and fossil record of the group, as well as their use in evolutionary, biostratigraphic and paleoceanographic research. Full chapters on the history of study, and molecular biology, are the first ever in book form. Written for an audience of advanced undergraduate to doctoral students, as well as for a broad range of professionals in the biological and Earth sciences, Paleobiology of the Polycystine Radiolaria summarizes current understanding of the marine planktonic protist group polycystine radiolaria, both in living and fossil form.Par Dorling Kindersley Publishing Staff. 2009
With an extensive catalog at its heart, Prehistoric Life profiles hundreds of fascinating species in incredible detail. The story starts…
in earnest 3.8 billion years ago, with the earliest-known form of life on Earth, a bacteria that still exists today, and journeys through action-packed millennia, charting the appearance of new life forms as well as devastating extinction events. Of course, the ever-popular and endlessly intriguing dinosaurs feature large, but Prehistoric Life gives you the whole picture, and the plants, invertebrates, amphibians, birds, reptiles, and mammals that are the ancestors of today's species also populate its pages, making this book unprecedented in its coverage of prehistory. Specially commissioned artworks use cutting-edge technology to render species in breathtakingly realistic fashion, with astonishing images of prehistoric remains, such as skeletons and fossils, to complete the story. To put all the evidence in context, the concept of geological time is explored, as is the classification of species and how the evidence for their evolution is preserved and can be deciphered.Par David F. Wright, Laura C. Soul. 2021
Recent advances in statistical approaches called Phylogenetic Comparative Methods (PCMs) have provided paleontologists with a powerful set of analytical tools…
for investigating evolutionary tempo and mode in fossil lineages. However, attempts to integrate PCMs with fossil data often present workers with practical challenges or unfamiliar literature. This Element presents guides to the theory behind, and the application of, PCMs with fossil taxa. Based on an empirical dataset of Paleozoic crinoids, it presents example analyses to illustrate common applications of PCMs to fossil data, including investigating patterns of correlated trait evolution and macroevolutionary models of morphological change. It then emphasizes the importance of accounting for sources of uncertainty and discusses how to evaluate model fit and adequacy. Finally, this Element discusses several promising methods for modelling heterogeneous evolutionary dynamics with fossil phylogenies. Integrating phylogeny-based approaches with the fossil record provides a rigorous, quantitative perspective to understanding key patterns in the history of life.Par Stephanie K. Drumheller, Thomas L. Adams, Hannah Maddox, Christopher R. Noto. 2021
New material attributable to Deltasuchus motherali, a neosuchian from the Cenomanian of Texas, provides sampling across much of the ontogeny…
of this species. Detailed descriptions provide both information about the paleobiology of this species, particularly with regards to how growth and development affected diet. Overall snout shape became progressively wider and more robust with age, suggesting that dietary shifts from juvenile to adult were not only a matter of size change, but functional performance as well. These newly described elements provide additional characters upon which to base more robust phylogenetic analyses. The authors provide a revised diagnosis of this species, describing the new material and discussing incidents of apparent ontogenetic variation across the sampled population. The results of the ensuing phylogenetic analyses both situate Deltasuchus within an endemic clade of Appalachian crocodyliforms, separate and diagnosable from goniopholidids and pholidosaurs, herein referred to as Paluxysuchidae.Par Kenneth De Baets, John Warren Huntley. 2021
This two-volume edited book highlights and reviews the potential of the fossil record to calibrate the origin and evolution of…
parasitism, and the techniques to understand the development of parasite-host associations and their relationships with environmental and ecological changes. The book deploys a broad and comprehensive approach, aimed at understanding the origins and developments of various parasite groups, in order to provide a wider evolutionary picture of parasitism as part of biodiversity. This is in contrast to most contributions by parasitologists in the literature that focus on circular lines of evidence, such as extrapolating from current host associations or distributions, to estimate constraints on the timing of the origin and evolution of various parasite groups. This approach is narrow and fails to provide the wider evolutionary picture of parasitism on, and as part of, biodiversity. Volume one focuses on identifying parasitism in the fossil record, and sheds light on the distribution and ecological importance of parasite-host interactions over time. In order to better understand the evolutionary history of parasites and their relationship with changes in the environment, emphasis is given to viruses, bacteria, protists and multicellular eukaryotes as parasites. Particular attention is given to fungi and metazoans such as bivalves, cnidarians, crustaceans, gastropods, helminths, insects, mites and ticks as parasites. Researchers, specifically evolutionary (paleo)biologists and parasitologists, interested in the evolutionary history of parasite-host interactions as well as students studying parasitism will find this book appealing.Par Wilson J. Wall. 2021
INVESTIGATING FOSSILS INVESTIGATING FOSSILSA HISTORY OF PALAEONTOLOGYInvestigating Fossils – A History of Palaeontology is a concise and accessible look at…
changing attitudes to palaeontology in general, and fossils in particular. From the existential and philosophical debates arising from fossils – such as their implications for the age of the Earth – to their role as markers in Darwin’s theory of evolution, fossils have been the centre of highly charged debate for over two centuries.This book, which is aimed at anyone with an interest in the history and philosophy of science, not only describes the process of fossil formation and the history of the discovery of fossils. It goes further, and highlights the continuing importance of fossils to our ever-developing understanding of where the planet and its myriad species have come from.Painting a vivid, lively portrait of the history and development of palaeontology, Investigating Fossils is a fascinating and informative tour of the recent history – and possible future – of the science of fossils.Par David Long. 2015
Early Readers are stepping stones from picture books to reading books. A green Early Reader is a first factbook.It's never…
too early to find out about... DINOSAURS. Did you know that the biggest dinosaurs weighed more than 13 or 14 elephants put together? Or that the EORAPTOR is the oldest dinosaur we know about and could run faster than an Olympic runner?Discover a world of incredible prehistoric reptiles in this brand new non fiction Early Reader from David Long, with full colour illustrations from Nicola O'Byrne on every page.Par Jess French. 2019
Step into an incredible lost world and marvel at the strange and magnificent creatures that once roamed our Earth. From…
the awe-inspiring woolly mammoth and the ferocious Spinosaurus to the shy Chinese river dolphin and incredibly rare Pinta Island tortoise 'Lonesome George', meet 35 extinct species and discover how these creatures came under threat. Featuring additional information on 'Lazarus species' (animals declared extinct but which, amazingly, have been rediscovered in the wild), and mass extinction events, including the part we are playing in endangering our wildlife, the book shows young readers that extinction is not simply a part of ancient history - it is happening right now across the planet - but that if we all make some small changes to our lifestyles, our wonderful species can be saved. With beautiful and vibrant illustrations throughout, this stunning large format compendium is a reminder of the remarkable animals we have lost, as well as a celebration of those that have returned from the brink of extinction.Par Georgia Amson-Bradshaw. 2017
Help kids discover science - in a flash!Science really rocks! If you're feeling ignorant about igneous, or muddled about metamorphic…
rocks, read this book. You'll soon recognise a slate from a sandstone, and understand all about fossil formation.This essential KS2 series for children aged 7 and up covers all the key science topics in energetic, quick-fire way, aiding clear comprehension by getting straight to the point! Each spread starts with a 'flash' or headline, summing-up succinctly the science information to follow. Attractive and light-hearted illustration visually conveys the information, adding depth and detail to engage children. Also includes fun jokes and cartoons to keep even the most reluctant readers entertained.