Children at a museum
Children at a museum. Young girls looking at a skeleton of a Pezosiren prehistoric mammal. Pezosiren portelli is an early sirenian (sea-cow) type mammal that is believed to have lived about 50 million years ago in what is now the Caribbean. It is thought that it may have had a hippopotamus-like amphibious lifestyle, and is a perfect example of a transitional form between a land mammal and a sea mammal. . Photographed at the In the Shadow of the Dinosaurs exhibition at the National Museum of Natural History, Paris, France, in 2011.
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