Article
Molecular dating and biogeography of the early placental mammal radiation.
The Journal of heredity - 1 Jan 2000
Eizirik E, Murphy W J, O'Brien S J
Abstract excerpt
The timing and phylogenetic hierarchy of early placental mammal divergences was determined based on combined DNA sequence analysis of 18 gene segments (9779 bp) from 64 species. Using rooted and unrooted phylogenies derived from distinct theoretical approaches, strong support for the divergence of four principal clades of eutherian mammals was achieved. Minimum divergence dates of the earliest nodes in the...
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