According to Dr Julien Benoit and his colleagues from the University of Science and Technology in Montpellier, France, an Eocene skull fossil discovered in Tunisia represents the oldest known ancestor of sea cows. The find supports the African origins of these marine mammals. Manatees are sometimes called sea cow (Ahodges7 / CC BY-SA 3.0) Some fossils of sea cow ancestors have been found in Jamaica, but the Tunisian fossil is more primitive and pre-dates...
