Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves by Susana E. DamboreneaSouthern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves by Susana E. Damborenea

Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves

bySusana E. Damborenea, Javier Echevarr, Sonia Ros-Franch

Paperback | September 27, 2012

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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.
Dr. Susana E. Damborenea has studied Natural Sciences (Geology) at the University of La Plata, Argentina, and at the University of Wales. She has had several teaching positions at the Facultad de Ciencias Naturales y Museo of the Universidad Nacional de La Plata, Argentina. Her present position is Professor of Invertebrate Palaeontolog...
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Title:Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine BivalvesFormat:PaperbackDimensions:139 pagesPublished:September 27, 2012Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9400750978

ISBN - 13:9789400750975

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Table of Contents

Introduction.-
-Paleobiogeography and neobiogeography.-
-Why bivalves?.-
-Time frame.-
-Paleogeography.-
-Paleoclimates and water temperatures.-
-Paleocurrents.-
Techniques.-
-The data.-
-Quantification: a difficult approach.-
-Analytic methods.-
A bivalve perspective.-
-Previous research: a northern hemisphere affair.-
-Some general issues.-
-Paleobiogeographic affinities.-
Regional scale.-
-Facies and bivalve distributions: examples from the Neuquén Basin.-
-Latitudinal gradients.-
-Distribution patterns and boundaries.-
Hemispheric scale.-
-Data.-
-Biochoreme recognition.-
-Evolution of biochoremas.-
-Evolution of biochoreme boundaries and its causes.-
-Congruence.-
-Paleobiogeographic units and mass extinctions.
Global scale.-
-Bipolarity.-
-Seaways: the Hispanic Corridor.-
-Oceanic currents.-
-Evolution of global biochoreme boundaries.