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Bones, Clones, and BiomesThe History and Geography of Recent Neotropical Mammals$
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Bruce D. Patterson and Leonora P. Costa

Print publication date: 2012

Print ISBN-13: 9780226649191

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226649214.001.0001

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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 31 May 2020

A Molecular View on the Evolutionary History and Biogeography of Neotropical Carnivores (Mammalia, Carnivora)

A Molecular View on the Evolutionary History and Biogeography of Neotropical Carnivores (Mammalia, Carnivora)

Chapter:
(p.123) 7 A Molecular View on the Evolutionary History and Biogeography of Neotropical Carnivores (Mammalia, Carnivora)
Source:
Bones, Clones, and Biomes
Author(s):
Eduardo Eizirik
Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226649214.003.0007

This chapter addresses carnivoran diversification in the Neotropics by reviewing recent studies that employed molecular data sets for phylogenetic reconstructions and molecular dating. Most of the examples cover interfamilial and intergeneric splits, and discuss the implications of molecular-derived divergence dates for the interpretation of biogeographic patterns. In some cases, the discussion extends to intrageneric diversification, contrasting recent endemic clades (especially in the Felidae and Canidae) that show rapid divergences postdating the Great American Biotic Interchange (GABI) with others that have a more ancient history in the region. This is particularly the case with the Procyonidae, whose molecular dating analyses point not only to a much older origin than previously estimated, but also to splits between sister species that predate the GABI, contrary to traditional views on their historical biogeography. Overall, carnivores appear to be a remarkable group for investigating the diversity of biogeographic patterns and processes that characterize the history of the Neotropics, as diff erent clades have experienced disparate histories, with contrasting influences derived from the GABI.

Keywords:   neotropical carnivores, morphological data, paleontology, Great American Biotic Interchange, carnivoran diversification, Neotropics

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