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.
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.
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