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Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves (Paperback, 2013 ed.)
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Southern Hemisphere Palaeobiogeography of Triassic-Jurassic Marine Bivalves (Paperback, 2013 ed.)
Series: SpringerBriefs in Earth System Sciences
Expected to ship within 10 - 15 working days
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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.
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