The Late Jurassic Ammonite Fauna of New Zealand PDF Download
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Author: Graeme Roy Stevens
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 240
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Author: Graeme Roy Stevens
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 240
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Book Description
Author: Gerd Ernst Gerold Westermann
Publisher: Cambridge University Press
ISBN: 9780521019927
Category : Science
Languages : en
Pages : 696
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Book Description
In this work, 60 specialists come together to discuss the regional occurrences of Jurassic rocks. Not only is this the first comprehensive synthesis of Jurassic geology and palaeontology, but it is in fact the only one of its kind for any geological system.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 198
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 198
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Book Description
Author: Christian Klug
Publisher: Springer
ISBN: 9401796300
Category : Science
Languages : en
Pages : 943
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Book Description
This two-volume work is a testament to the abiding interest and human fascination with ammonites. We offer a new model to explain the morphogenesis of septa and the shell, we explore their habitats by the content of stable isotopes in their shells, we discuss the origin and later evolution of this important clade, and we deliver hypotheses on its demise. The Ammonoidea produced a great number of species that can be used in biostratigraphy and possibly, this is the macrofossil group, which has been used the most for that purpose. Nevertheless, many aspects of their anatomy, mode of life, development or paleobiogeographic distribution are still poorly known. Themes treated are biostratigraphy, paleoecology, paleoenvironment, paleobiogeography, evolution, phylogeny, and ontogeny. Advances such as an explosion of new information about ammonites, new technologies such as isotopic analysis, tomography and virtual paleontology in general, as well as continuous discovery of new fossil finds have given us the opportunity to present a comprehensive and timely "state of the art" compilation. Moreover, it also points the way for future studies to further enhance our understanding of this endlessly fascinating group of organisms.
Author: Susana E. Damborenea
Publisher: Springer Science & Business Media
ISBN: 9400750978
Category : Science
Languages : en
Pages : 142
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Book Description
Palaeobiogeography is a complex subject which processes information provided by both Biology and Earth Sciences. It is conceptually and philosophically equivalent to neobiogeography. Nevertheless, its methods are somewhat different, since it is limited by the incompleteness of the fossil record. On the other hand, it has direct access to the time dimension, a key ingredient of organic evolution. Mesozoic benthonic mollusks, and especially bivalves, have a great potential for palaeobiogeographical analysis due to their commonly good preservation, abundance, diversity and high dispersion potential at the larval stage. From a merely descriptive point of view, the analysis of their distribution shows latitudinal gradients and distributional patterns, both at regional and global scales, which are the basis for the recognition of biochoremas or palaeobiogeographical units of different ranks. Moving forward towards a causal palaeobiogeography, these organisms also provide interesting insight into particular biogeographical questions, such as bipolarity and its origin. The evolution in time of the recognized biochoremas can be discussed in relation to palaeoclimas and extinction events. Finally, some of the results obtained from the analysis of the distribution of past bivalve biotas were even used to propose and discuss the development of marine corridors and argue about the distribution of continents in the past.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 930
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Author: Neil H. Landman
Publisher: Springer Science & Business Media
ISBN: 1402068069
Category : Science
Languages : en
Pages : 493
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Book Description
This book brings together international scientists who focus on present-day and fossil cephalopods, ranging broadly from Paleozoic ammonoids to today's octopods. It covers systematics and evolution; hard- and soft part morphology; and ecology, biogeography, and taphonomy. The book also includes new evidence for the existence of an ink sac in fossil ammonoids and features the first record of an in-depth study of octopus ecology in Alaska.
Author: Dr. Surendra Prasad
Publisher:
ISBN:
Category : Ammonoidea
Languages : en
Pages : 168
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Author: Charles Alexander Fleming
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 166
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Book Description
