PerspectiveEvolution

The Mammal Family Tree

Science  28 Oct 2011:
Vol. 334, Issue 6055, pp. 458-459
DOI: 10.1126/science.1214544

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Summary

Evolutionary biologists have long aimed to understand the relationships between the major groups of mammals and the pattern and timing of the evolution of these groups and their characteristics. On page 521 of this issue, Meredith et al. (1) report an important step toward this end by providing the first matrix-based molecular phylogeny that incorporates essentially all modern mammal families.