`` Dorudon '' lived in warm seas around the world . Fossils have been found along the former shorelines of the Tethys Sea in present-day Egypt and Pakistan , as well as in the United States , New Zealand , and Western Sahara .
`` Dorudon '' lived in warm seas around the world . , Fossils have been found along the former shorelines of the Tethys Sea in present-day Western Sahara , Egypt , Pakistan , the United States , and New Zealand .