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Author:
Publisher:
ISBN:
Category : Brachiopoda
Languages : en
Pages : 284
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Book Description
Author:
Publisher:
ISBN:
Category : Brachiopoda
Languages : en
Pages : 284
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Book Description
Author: Sandra J. Carlson
Publisher:
ISBN:
Category : Brachiopoda
Languages : en
Pages : 257
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Book Description
Author: Geological Society of London
Publisher: Geological Society of London
ISBN: 9781862391062
Category : Science
Languages : en
Pages : 216
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Book Description
Author: Howard Brunton
Publisher: CRC Press
ISBN: 1135731446
Category : Nature
Languages : en
Pages : 678
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Book Description
The growth history of a brachiopod is entombed in its shell, but research on fossil and living brachiopods has generated unanswered questions about these marine invertebrates. Several contributors to Brachiopods Past and Present comment on their differing structures and morphological detail. They use these as examples of ontogenetic and evolutionar
Author: D. I. MacKinnon
Publisher: CRC Press
ISBN: 9789061911609
Category : Science
Languages : en
Pages : 472
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Book Description
Author: Rituparna Bose
Publisher: Springer Science & Business Media
ISBN: 3319001949
Category : Science
Languages : en
Pages : 65
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Book Description
Fossil species appear to persist morphologically unchanged for long intervals of geologic time, punctuated by short bursts of rapid change as explained by the Ecological Evolutionary Units (EEUs). Here, morphological variation in Paleozoic atrypide morphology at the subfamily level (Atrypinae and Variatrypinae) from the Silurian and Devonian time intervals in the third Paleozoic EEU (~444-359 my) were investigated using relatively new techniques of quantitative modeling. The study explains how a group of closely related taxa in atrypide subfamilies exhibit morphological conservation through time in P3 EEU within the Eastern North America region.
Author: Richard David Hoare
Publisher:
ISBN: 9781258354145
Category :
Languages : en
Pages : 276
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Book Description
Author: Philip A. E. Pogge von Strandmann
Publisher: Cambridge University Press
ISBN: 1108997627
Category : Science
Languages : en
Pages : 51
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Book Description
Lithium isotopes are a relatively novel tracer of present and past silicate weathering processes. Given that silicate weathering is the primary long-term method by which CO2 is removed from the atmosphere, Li isotope research is going through an exciting phase. We show the weathering processes that fractionate dissolved and sedimentary Li isotope ratios, focusing on weathering intensity and clay formation. We then discuss the carbonate and silicate archive potential of past seawater δ7Li. These archives have been used to examine Li isotope changes across both short and long timescales. The former can demonstrate the rates at which the climate is stabilised from perturbations via weathering, a fundamental piece of the puzzle of the long-term carbon cycle.
Author: Michael J. Benton
Publisher: John Wiley & Sons
ISBN: 1119272858
Category : Science
Languages : en
Pages : 661
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Book Description
This book presents a comprehensive overview of the science of the history of life. Paleobiologists bring many analytical tools to bear in interpreting the fossil record and the book introduces the latest techniques, from multivariate investigations of biogeography and biostratigraphy to engineering analysis of dinosaur skulls, and from homeobox genes to cladistics. All the well-known fossil groups are included, including microfossils and invertebrates, but an important feature is the thorough coverage of plants, vertebrates and trace fossils together with discussion of the origins of both life and the metazoans. All key related subjects are introduced, such as systematics, ecology, evolution and development, stratigraphy and their roles in understanding where life came from and how it evolved and diversified. Unique features of the book are the numerous case studies from current research that lead students to the primary literature, analytical and mathematical explanations and tools, together with associated problem sets and practical schedules for instructors and students. New to this edition The text and figures have been updated throughout to reflect current opinion on all aspects New case studies illustrate the chapters, drawn from a broad distribution internationally Chapters on Macroevolution, Form and Function, Mass extinctions, Origin of Life, and Origin of Metazoans have been entirely rewritten to reflect substantial advances in these topics There is a new focus on careers in paleobiology
Author: Paul Copper
Publisher: Routledge
ISBN: 1351463098
Category : Nature
Languages : en
Pages : 392
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Book Description
This collection of conference papers presents information on the molecular genetics, biomineralization, growth and ecology of extant brachiopod stocks (extrapolated back to the Cambrian), and the shell microstructure, taphonomy, paleogeography, evolution, and taxonomy of fossil brachiopods.
