Most comprehensive tree of life shows placental mammal diversity exploded after age of dinosaurs

Scientists have generated the most comprehensive tree of life to date on placental mammals, which are those bearing live young, including bats, rodents, whales and humans.



via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/02/130207141458.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29