Chapter

Phylogenetic Perspective on the Timing and Biogeography of Anole Evolution

Jonathan B. Losos

in Lizards in an Evolutionary Tree

Published by University of California Press

Published in print August 2009 | ISBN: 9780520255913
Published online March 2012 | e-ISBN: 9780520943735 | DOI: http://dx.doi.org/10.1525/california/9780520255913.003.0006
Phylogenetic Perspective on the Timing and Biogeography of Anole Evolution

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This chapter addresses questions concerning the origin and maintenance of anole biodiversity: when did anoles arise? And how did they attain their current geographic distribution? It begins by describing approaches used to date the evolutionary appearance of anoles. Fossil records of lizards provide only a minimum estimate of anole age. The alternative approach is molecular dating—to date the origin of Anolis by examining the amount of molecular divergence that has occurred between species and by correlating this divergence with rates of change through time. The chapter then examines anole phylogeny, before reconstructing the biogeographic history of anoles, and attempts to discover when anoles got to the West Indies and how they got from one island to another.

Keywords: anole biodiversity; geographic distribution; fossil records; molecular dating; molecular divergence; anole phylogeny

Chapter.  5790 words.  Illustrated.

Subjects: Evolutionary Biology

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