Earliest sea cow ancestors originated in Africa, lived in fresh water

A new fossil discovered in Tunisia represents the oldest known ancestor of modern-day sea cows, supporting the African origins of these marine mammals.



via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/01/130116195331.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29