Phylogenetic relationships of neotomine-peromyscine rodents: Based on DNA sequences from the mitochondrial cytochrome-b gene

Robert D. Bradley, Cody W. Edwards, Darin S. Carroll, C. William Kilpatrick

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Abstract

DNA sequences obtained from the mitochondrial cytochrome-b gene were used to evaluate phylogenetic relationships among 15 genera of putative neotomine-peromyscine rodents. Tree topologies obtained from maximum likelihood and Bayesian analyses revealed 4 primary clades that, in general, conform to the 4 tribes proposed by Carleton (1980). The Peromyscini (Megadontomys, Ochrotomys, Osgoodomys, Peromyscus, and Reithrodontomys) was sister to the Neotomini (Hodomys, Neotoma, Onychomys, and Xenomys). These 2 clades were then joined by the Baiomyini (Baiomys and Scotinomys) and Tylomyini (Nyctomys, Ototylomys, and Tylomys). The most apparent departure from previously proposed arrangements involved the placement of Onychomys in the Neotomini instead of the Peromyscini.

Original languageEnglish
Pages (from-to)389-395
Number of pages7
JournalJournal of Mammalogy
Volume85
Issue number3
DOIs
StatePublished - Jun 2004

Keywords

  • Baiomyini
  • Cytochrome-b sequences
  • Neotomini
  • Peromyscini
  • Phylogenetics
  • Tylomyini

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