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- Title
Minimal genetic divergence among South American samples of the water opossum Chironectes minimus: evidence for transcontinental gene flow?
- Authors
Voss, Robert S.; Jansa, Sharon A.
- Abstract
Cytochrome b sequences from South American specimens of the water opossum Chironectes minimus exhibit uncorrected pairwise differences of 0.6% or less among samples collected thousands of kilometers apart (in Guyana, Bolivia and southeastern Brazil). Despite published evidence of population divergence from recent analyses of craniodental morphology, our results suggest extensive gene flow or recent range expansion across the South American landscapes currently occupied by this seldom-collected species.
- Subjects
CHIRONECTES minimus; GENOMES; GENETICS; SPECIES distribution; MORPHOLOGY
- Publication
Mammalia: International Journal of the Systematics, Biology & Ecology of Mammals, 2019, Vol 83, Issue 2, p190
- ISSN
0025-1461
- Publication type
Article
- DOI
10.1515/mammalia-2018-0073