The role of physical geography and habitat type in shaping the biogeographical history of a recent radiation of Neotropical marsupials (Thylamys: Didelphidae)
1. Department of Ecology, Evolution, and Behavior, University of Minnesota, , St. Paul, MN, 55108 USA;2. J. F. Bell Museum of Natural History, University of Minnesota, , St. Paul, MN, 55108 USA