Paleontologists who study ancient whales, and those of us curious about cetacean ancestry, are fortunate to have a fossil record that contains specimens from so many steps in the evolutionary process. Another piece seems to have been discovered in Antarctica by Argentinian researchers. There is a story with a photo in the Straits Times and a slightly longer story in ABC News.
For more information on Basilosaurus, the animal who is most similar to this new discovery, click here to get to the NMNH site.